http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskExecutor.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskExecutor.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskExecutor.java deleted file mode 100644 index 72185c0..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskExecutor.java +++ /dev/null @@ -1,960 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.*; -import org.apache.ignite.internal.*; -import org.apache.ignite.internal.processors.hadoop.*; -import org.apache.ignite.internal.processors.hadoop.jobtracker.*; -import org.apache.ignite.internal.processors.hadoop.message.*; -import org.apache.ignite.internal.processors.hadoop.taskexecutor.*; -import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.child.*; -import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.communication.*; -import org.apache.ignite.internal.util.*; -import org.apache.ignite.internal.util.future.*; -import org.apache.ignite.internal.util.typedef.*; -import org.apache.ignite.internal.util.typedef.internal.*; -import org.apache.ignite.lang.*; -import org.apache.ignite.spi.*; -import org.jdk8.backport.*; -import org.jetbrains.annotations.*; - -import java.io.*; -import java.util.*; -import java.util.concurrent.*; -import java.util.concurrent.locks.*; - -import static org.apache.ignite.internal.processors.hadoop.taskexecutor.GridHadoopTaskState.*; - -/** - * External process registry. Handles external process lifecycle. - */ -public class GridHadoopExternalTaskExecutor extends GridHadoopTaskExecutorAdapter { - /** Hadoop context. */ - private GridHadoopContext ctx; - - /** */ - private String javaCmd; - - /** Logger. */ - private IgniteLogger log; - - /** Node process descriptor. */ - private GridHadoopProcessDescriptor nodeDesc; - - /** Output base. */ - private File outputBase; - - /** Path separator. */ - private String pathSep; - - /** Hadoop external communication. */ - private GridHadoopExternalCommunication comm; - - /** Starting processes. */ - private final ConcurrentMap<UUID, HadoopProcess> runningProcsByProcId = new ConcurrentHashMap8<>(); - - /** Starting processes. */ - private final ConcurrentMap<GridHadoopJobId, HadoopProcess> runningProcsByJobId = new ConcurrentHashMap8<>(); - - /** Busy lock. */ - private final GridSpinReadWriteLock busyLock = new GridSpinReadWriteLock(); - - /** Job tracker. */ - private GridHadoopJobTracker jobTracker; - - /** {@inheritDoc} */ - @Override public void start(GridHadoopContext ctx) throws IgniteCheckedException { - this.ctx = ctx; - - log = ctx.kernalContext().log(GridHadoopExternalTaskExecutor.class); - - outputBase = U.resolveWorkDirectory("hadoop", false); - - pathSep = System.getProperty("path.separator", U.isWindows() ? ";" : ":"); - - initJavaCommand(); - - comm = new GridHadoopExternalCommunication( - ctx.localNodeId(), - UUID.randomUUID(), - ctx.kernalContext().config().getMarshaller(), - log, - ctx.kernalContext().getSystemExecutorService(), - ctx.kernalContext().gridName()); - - comm.setListener(new MessageListener()); - - comm.start(); - - nodeDesc = comm.localProcessDescriptor(); - - ctx.kernalContext().ports().registerPort(nodeDesc.tcpPort(), IgnitePortProtocol.TCP, - GridHadoopExternalTaskExecutor.class); - - if (nodeDesc.sharedMemoryPort() != -1) - ctx.kernalContext().ports().registerPort(nodeDesc.sharedMemoryPort(), IgnitePortProtocol.TCP, - GridHadoopExternalTaskExecutor.class); - - jobTracker = ctx.jobTracker(); - } - - /** {@inheritDoc} */ - @Override public void stop(boolean cancel) { - busyLock.writeLock(); - - try { - comm.stop(); - } - catch (IgniteCheckedException e) { - U.error(log, "Failed to gracefully stop external hadoop communication server (will shutdown anyway)", e); - } - } - - /** {@inheritDoc} */ - @Override public void onJobStateChanged(final GridHadoopJobMetadata meta) { - final HadoopProcess proc = runningProcsByJobId.get(meta.jobId()); - - // If we have a local process for this job. - if (proc != null) { - if (log.isDebugEnabled()) - log.debug("Updating job information for remote task process [proc=" + proc + ", meta=" + meta + ']'); - - if (meta.phase() == GridHadoopJobPhase.PHASE_COMPLETE) { - if (log.isDebugEnabled()) - log.debug("Completed job execution, will terminate child process [jobId=" + meta.jobId() + - ", proc=" + proc + ']'); - - runningProcsByJobId.remove(meta.jobId()); - runningProcsByProcId.remove(proc.descriptor().processId()); - - proc.terminate(); - - return; - } - - if (proc.initFut.isDone()) { - if (!proc.initFut.isFailed()) - sendJobInfoUpdate(proc, meta); - else if (log.isDebugEnabled()) - log.debug("Failed to initialize child process (will skip job state notification) " + - "[jobId=" + meta.jobId() + ", meta=" + meta + ']'); - } - else { - proc.initFut.listenAsync(new CI1<IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>>>() { - @Override public void apply(IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>> f) { - try { - f.get(); - - sendJobInfoUpdate(proc, meta); - } - catch (IgniteCheckedException e) { - if (log.isDebugEnabled()) - log.debug("Failed to initialize child process (will skip job state notification) " + - "[jobId=" + meta.jobId() + ", meta=" + meta + ", err=" + e + ']'); - } - - } - }); - } - } - else if (ctx.isParticipating(meta)) { - GridHadoopJob job; - - try { - job = jobTracker.job(meta.jobId(), meta.jobInfo()); - } - catch (IgniteCheckedException e) { - U.error(log, "Failed to get job: " + meta.jobId(), e); - - return; - } - - startProcess(job, meta.mapReducePlan()); - } - } - - /** {@inheritDoc} */ - @SuppressWarnings("ConstantConditions") - @Override public void run(final GridHadoopJob job, final Collection<GridHadoopTaskInfo> tasks) throws IgniteCheckedException { - if (!busyLock.tryReadLock()) { - if (log.isDebugEnabled()) - log.debug("Failed to start hadoop tasks (grid is stopping, will ignore)."); - - return; - } - - try { - HadoopProcess proc = runningProcsByJobId.get(job.id()); - - GridHadoopTaskType taskType = F.first(tasks).type(); - - if (taskType == GridHadoopTaskType.SETUP || taskType == GridHadoopTaskType.ABORT || - taskType == GridHadoopTaskType.COMMIT) { - if (proc == null || proc.terminated()) { - runningProcsByJobId.remove(job.id(), proc); - - // Start new process for ABORT task since previous processes were killed. - proc = startProcess(job, jobTracker.plan(job.id())); - - if (log.isDebugEnabled()) - log.debug("Starting new process for maintenance task [jobId=" + job.id() + - ", proc=" + proc + ", taskType=" + taskType + ']'); - } - } - else - assert proc != null : "Missing started process for task execution request: " + job.id() + - ", tasks=" + tasks; - - final HadoopProcess proc0 = proc; - - proc.initFut.listenAsync(new CI1<IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>>>() { - @Override public void apply( - IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>> f) { - if (!busyLock.tryReadLock()) - return; - - try { - f.get(); - - proc0.addTasks(tasks); - - if (log.isDebugEnabled()) - log.debug("Sending task execution request to child process [jobId=" + job.id() + - ", proc=" + proc0 + ", tasks=" + tasks + ']'); - - sendExecutionRequest(proc0, job, tasks); - } - catch (IgniteCheckedException e) { - notifyTasksFailed(tasks, FAILED, e); - } - finally { - busyLock.readUnlock(); - } - } - }); - } - finally { - busyLock.readUnlock(); - } - } - - /** {@inheritDoc} */ - @Override public void cancelTasks(GridHadoopJobId jobId) { - HadoopProcess proc = runningProcsByJobId.get(jobId); - - if (proc != null) - proc.terminate(); - } - - /** - * Sends execution request to remote node. - * - * @param proc Process to send request to. - * @param job Job instance. - * @param tasks Collection of tasks to execute in started process. - */ - private void sendExecutionRequest(HadoopProcess proc, GridHadoopJob job, Collection<GridHadoopTaskInfo> tasks) - throws IgniteCheckedException { - // Must synchronize since concurrent process crash may happen and will receive onConnectionLost(). - proc.lock(); - - try { - if (proc.terminated()) { - notifyTasksFailed(tasks, CRASHED, null); - - return; - } - - GridHadoopTaskExecutionRequest req = new GridHadoopTaskExecutionRequest(); - - req.jobId(job.id()); - req.jobInfo(job.info()); - req.tasks(tasks); - - comm.sendMessage(proc.descriptor(), req); - } - finally { - proc.unlock(); - } - } - - /** - * @return External task metadata. - */ - private GridHadoopExternalTaskMetadata buildTaskMeta() { - GridHadoopExternalTaskMetadata meta = new GridHadoopExternalTaskMetadata(); - - meta.classpath(Arrays.asList(System.getProperty("java.class.path").split(File.pathSeparator))); - meta.jvmOptions(Arrays.asList("-Xmx1g", "-ea", "-XX:+UseConcMarkSweepGC", "-XX:+CMSClassUnloadingEnabled", - "-DIGNITE_HOME=" + U.getIgniteHome())); - - return meta; - } - - /** - * @param tasks Tasks to notify about. - * @param state Fail state. - * @param e Optional error. - */ - private void notifyTasksFailed(Iterable<GridHadoopTaskInfo> tasks, GridHadoopTaskState state, Throwable e) { - GridHadoopTaskStatus fail = new GridHadoopTaskStatus(state, e); - - for (GridHadoopTaskInfo task : tasks) - jobTracker.onTaskFinished(task, fail); - } - - /** - * Starts process template that will be ready to execute Hadoop tasks. - * - * @param job Job instance. - * @param plan Map reduce plan. - */ - private HadoopProcess startProcess(final GridHadoopJob job, final GridHadoopMapReducePlan plan) { - final UUID childProcId = UUID.randomUUID(); - - GridHadoopJobId jobId = job.id(); - - final GridHadoopProcessFuture fut = new GridHadoopProcessFuture(childProcId, jobId, ctx.kernalContext()); - - final HadoopProcess proc = new HadoopProcess(jobId, fut, plan.reducers(ctx.localNodeId())); - - HadoopProcess old = runningProcsByJobId.put(jobId, proc); - - assert old == null; - - old = runningProcsByProcId.put(childProcId, proc); - - assert old == null; - - ctx.kernalContext().closure().runLocalSafe(new Runnable() { - @Override public void run() { - if (!busyLock.tryReadLock()) { - fut.onDone(new IgniteCheckedException("Failed to start external process (grid is stopping).")); - - return; - } - - try { - GridHadoopExternalTaskMetadata startMeta = buildTaskMeta(); - - if (log.isDebugEnabled()) - log.debug("Created hadoop child process metadata for job [job=" + job + - ", childProcId=" + childProcId + ", taskMeta=" + startMeta + ']'); - - Process proc = startJavaProcess(childProcId, startMeta, job); - - BufferedReader rdr = new BufferedReader(new InputStreamReader(proc.getInputStream())); - - String line; - - // Read up all the process output. - while ((line = rdr.readLine()) != null) { - if (log.isDebugEnabled()) - log.debug("Tracing process output: " + line); - - if ("Started".equals(line)) { - // Process started successfully, it should not write anything more to the output stream. - if (log.isDebugEnabled()) - log.debug("Successfully started child process [childProcId=" + childProcId + - ", meta=" + job + ']'); - - fut.onProcessStarted(proc); - - break; - } - else if ("Failed".equals(line)) { - StringBuilder sb = new StringBuilder("Failed to start child process: " + job + "\n"); - - while ((line = rdr.readLine()) != null) - sb.append(" ").append(line).append("\n"); - - // Cut last character. - sb.setLength(sb.length() - 1); - - log.warning(sb.toString()); - - fut.onDone(new IgniteCheckedException(sb.toString())); - - break; - } - } - } - catch (Throwable e) { - fut.onDone(new IgniteCheckedException("Failed to initialize child process: " + job, e)); - } - finally { - busyLock.readUnlock(); - } - } - }, true); - - fut.listenAsync(new CI1<IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>>>() { - @Override public void apply(IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>> f) { - try { - // Make sure there were no exceptions. - f.get(); - - prepareForJob(proc, job, plan); - } - catch (IgniteCheckedException ignore) { - // Exception is printed in future's onDone() method. - } - } - }); - - return proc; - } - - /** - * Checks that java local command is available. - * - * @throws IgniteCheckedException If initialization failed. - */ - private void initJavaCommand() throws IgniteCheckedException { - String javaHome = System.getProperty("java.home"); - - if (javaHome == null) - javaHome = System.getenv("JAVA_HOME"); - - if (javaHome == null) - throw new IgniteCheckedException("Failed to locate JAVA_HOME."); - - javaCmd = javaHome + File.separator + "bin" + File.separator + (U.isWindows() ? "java.exe" : "java"); - - try { - Process proc = new ProcessBuilder(javaCmd, "-version").redirectErrorStream(true).start(); - - Collection<String> out = readProcessOutput(proc); - - int res = proc.waitFor(); - - if (res != 0) - throw new IgniteCheckedException("Failed to execute 'java -version' command (process finished with nonzero " + - "code) [exitCode=" + res + ", javaCmd='" + javaCmd + "', msg=" + F.first(out) + ']'); - - if (log.isInfoEnabled()) { - log.info("Will use java for external task execution: "); - - for (String s : out) - log.info(" " + s); - } - } - catch (IOException e) { - throw new IgniteCheckedException("Failed to check java for external task execution.", e); - } - catch (InterruptedException e) { - Thread.currentThread().interrupt(); - - throw new IgniteCheckedException("Failed to wait for process completion (thread got interrupted).", e); - } - } - - /** - * Reads process output line-by-line. - * - * @param proc Process to read output. - * @return Read lines. - * @throws IOException If read failed. - */ - private Collection<String> readProcessOutput(Process proc) throws IOException { - BufferedReader rdr = new BufferedReader(new InputStreamReader(proc.getInputStream())); - - Collection<String> res = new ArrayList<>(); - - String s; - - while ((s = rdr.readLine()) != null) - res.add(s); - - return res; - } - - /** - * Builds process from metadata. - * - * @param childProcId Child process ID. - * @param startMeta Metadata. - * @param job Job. - * @return Started process. - */ - private Process startJavaProcess(UUID childProcId, GridHadoopExternalTaskMetadata startMeta, - GridHadoopJob job) throws Exception { - String outFldr = jobWorkFolder(job.id()) + File.separator + childProcId; - - if (log.isDebugEnabled()) - log.debug("Will write process log output to: " + outFldr); - - List<String> cmd = new ArrayList<>(); - - File workDir = U.resolveWorkDirectory("", false); - - cmd.add(javaCmd); - cmd.addAll(startMeta.jvmOptions()); - cmd.add("-cp"); - cmd.add(buildClasspath(startMeta.classpath())); - cmd.add(GridHadoopExternalProcessStarter.class.getName()); - cmd.add("-cpid"); - cmd.add(String.valueOf(childProcId)); - cmd.add("-ppid"); - cmd.add(String.valueOf(nodeDesc.processId())); - cmd.add("-nid"); - cmd.add(String.valueOf(nodeDesc.parentNodeId())); - cmd.add("-addr"); - cmd.add(nodeDesc.address()); - cmd.add("-tport"); - cmd.add(String.valueOf(nodeDesc.tcpPort())); - cmd.add("-sport"); - cmd.add(String.valueOf(nodeDesc.sharedMemoryPort())); - cmd.add("-out"); - cmd.add(outFldr); - cmd.add("-wd"); - cmd.add(workDir.getAbsolutePath()); - - return new ProcessBuilder(cmd) - .redirectErrorStream(true) - .directory(workDir) - .start(); - } - - /** - * Gets job work folder. - * - * @param jobId Job ID. - * @return Job work folder. - */ - private String jobWorkFolder(GridHadoopJobId jobId) { - return outputBase + File.separator + "Job_" + jobId; - } - - /** - * @param cp Classpath collection. - * @return Classpath string. - */ - private String buildClasspath(Collection<String> cp) { - assert !cp.isEmpty(); - - StringBuilder sb = new StringBuilder(); - - for (String s : cp) - sb.append(s).append(pathSep); - - sb.setLength(sb.length() - 1); - - return sb.toString(); - } - - /** - * Sends job info update request to remote process. - * - * @param proc Process to send request to. - * @param meta Job metadata. - */ - private void sendJobInfoUpdate(HadoopProcess proc, GridHadoopJobMetadata meta) { - Map<Integer, GridHadoopProcessDescriptor> rdcAddrs = meta.reducersAddresses(); - - int rdcNum = meta.mapReducePlan().reducers(); - - GridHadoopProcessDescriptor[] addrs = null; - - if (rdcAddrs != null && rdcAddrs.size() == rdcNum) { - addrs = new GridHadoopProcessDescriptor[rdcNum]; - - for (int i = 0; i < rdcNum; i++) { - GridHadoopProcessDescriptor desc = rdcAddrs.get(i); - - assert desc != null : "Missing reducing address [meta=" + meta + ", rdc=" + i + ']'; - - addrs[i] = desc; - } - } - - try { - comm.sendMessage(proc.descriptor(), new GridHadoopJobInfoUpdateRequest(proc.jobId, meta.phase(), addrs)); - } - catch (IgniteCheckedException e) { - if (!proc.terminated()) { - log.error("Failed to send job state update message to remote child process (will kill the process) " + - "[jobId=" + proc.jobId + ", meta=" + meta + ']', e); - - proc.terminate(); - } - } - } - - /** - * Sends prepare request to remote process. - * - * @param proc Process to send request to. - * @param job Job. - * @param plan Map reduce plan. - */ - private void prepareForJob(HadoopProcess proc, GridHadoopJob job, GridHadoopMapReducePlan plan) { - try { - comm.sendMessage(proc.descriptor(), new GridHadoopPrepareForJobRequest(job.id(), job.info(), - plan.reducers(), plan.reducers(ctx.localNodeId()))); - } - catch (IgniteCheckedException e) { - U.error(log, "Failed to send job prepare request to remote process [proc=" + proc + ", job=" + job + - ", plan=" + plan + ']', e); - - proc.terminate(); - } - } - - /** - * Processes task finished message. - * - * @param desc Remote process descriptor. - * @param taskMsg Task finished message. - */ - private void processTaskFinishedMessage(GridHadoopProcessDescriptor desc, GridHadoopTaskFinishedMessage taskMsg) { - HadoopProcess proc = runningProcsByProcId.get(desc.processId()); - - if (proc != null) - proc.removeTask(taskMsg.taskInfo()); - - jobTracker.onTaskFinished(taskMsg.taskInfo(), taskMsg.status()); - } - - /** - * - */ - private class MessageListener implements GridHadoopMessageListener { - /** {@inheritDoc} */ - @Override public void onMessageReceived(GridHadoopProcessDescriptor desc, GridHadoopMessage msg) { - if (!busyLock.tryReadLock()) - return; - - try { - if (msg instanceof GridHadoopProcessStartedAck) { - HadoopProcess proc = runningProcsByProcId.get(desc.processId()); - - assert proc != null : "Missing child process for processId: " + desc; - - GridHadoopProcessFuture fut = proc.initFut; - - if (fut != null) - fut.onReplyReceived(desc); - // Safety. - else - log.warning("Failed to find process start future (will ignore): " + desc); - } - else if (msg instanceof GridHadoopTaskFinishedMessage) { - GridHadoopTaskFinishedMessage taskMsg = (GridHadoopTaskFinishedMessage)msg; - - processTaskFinishedMessage(desc, taskMsg); - } - else - log.warning("Unexpected message received by node [desc=" + desc + ", msg=" + msg + ']'); - } - finally { - busyLock.readUnlock(); - } - } - - /** {@inheritDoc} */ - @Override public void onConnectionLost(GridHadoopProcessDescriptor desc) { - if (!busyLock.tryReadLock()) - return; - - try { - if (desc == null) { - U.warn(log, "Handshake failed."); - - return; - } - - // Notify job tracker about failed tasks. - HadoopProcess proc = runningProcsByProcId.get(desc.processId()); - - if (proc != null) { - Collection<GridHadoopTaskInfo> tasks = proc.tasks(); - - if (!F.isEmpty(tasks)) { - log.warning("Lost connection with alive process (will terminate): " + desc); - - GridHadoopTaskStatus status = new GridHadoopTaskStatus(CRASHED, - new IgniteCheckedException("Failed to run tasks (external process finished unexpectedly): " + desc)); - - for (GridHadoopTaskInfo info : tasks) - jobTracker.onTaskFinished(info, status); - - runningProcsByJobId.remove(proc.jobId(), proc); - } - - // Safety. - proc.terminate(); - } - } - finally { - busyLock.readUnlock(); - } - } - } - - /** - * Hadoop process. - */ - private static class HadoopProcess extends ReentrantLock { - /** */ - private static final long serialVersionUID = 0L; - - /** Job ID. */ - private final GridHadoopJobId jobId; - - /** Process. */ - private Process proc; - - /** Init future. Completes when process is ready to receive messages. */ - private final GridHadoopProcessFuture initFut; - - /** Process descriptor. */ - private GridHadoopProcessDescriptor procDesc; - - /** Reducers planned for this process. */ - private Collection<Integer> reducers; - - /** Tasks. */ - private final Collection<GridHadoopTaskInfo> tasks = new ConcurrentLinkedDeque8<>(); - - /** Terminated flag. */ - private volatile boolean terminated; - - /** - * @param jobId Job ID. - * @param initFut Init future. - */ - private HadoopProcess(GridHadoopJobId jobId, GridHadoopProcessFuture initFut, - int[] reducers) { - this.jobId = jobId; - this.initFut = initFut; - - if (!F.isEmpty(reducers)) { - this.reducers = new ArrayList<>(reducers.length); - - for (int r : reducers) - this.reducers.add(r); - } - } - - /** - * @return Communication process descriptor. - */ - private GridHadoopProcessDescriptor descriptor() { - return procDesc; - } - - /** - * @return Job ID. - */ - public GridHadoopJobId jobId() { - return jobId; - } - - /** - * Initialized callback. - * - * @param proc Java process representation. - * @param procDesc Process descriptor. - */ - private void onInitialized(Process proc, GridHadoopProcessDescriptor procDesc) { - this.proc = proc; - this.procDesc = procDesc; - } - - /** - * Terminates process (kills it). - */ - private void terminate() { - // Guard against concurrent message sending. - lock(); - - try { - terminated = true; - - if (!initFut.isDone()) - initFut.listenAsync(new CI1<IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>>>() { - @Override public void apply( - IgniteInternalFuture<IgniteBiTuple<Process, GridHadoopProcessDescriptor>> f) { - proc.destroy(); - } - }); - else - proc.destroy(); - } - finally { - unlock(); - } - } - - /** - * @return Terminated flag. - */ - private boolean terminated() { - return terminated; - } - - /** - * Sets process tasks. - * - * @param tasks Tasks to set. - */ - private void addTasks(Collection<GridHadoopTaskInfo> tasks) { - this.tasks.addAll(tasks); - } - - /** - * Removes task when it was completed. - * - * @param task Task to remove. - */ - private void removeTask(GridHadoopTaskInfo task) { - if (tasks != null) - tasks.remove(task); - } - - /** - * @return Collection of tasks. - */ - private Collection<GridHadoopTaskInfo> tasks() { - return tasks; - } - - /** - * @return Planned reducers. - */ - private Collection<Integer> reducers() { - return reducers; - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(HadoopProcess.class, this); - } - } - - /** - * - */ - private class GridHadoopProcessFuture extends GridFutureAdapter<IgniteBiTuple<Process, GridHadoopProcessDescriptor>> { - /** */ - private static final long serialVersionUID = 0L; - - /** Child process ID. */ - private UUID childProcId; - - /** Job ID. */ - private GridHadoopJobId jobId; - - /** Process descriptor. */ - private GridHadoopProcessDescriptor desc; - - /** Running process. */ - private Process proc; - - /** Process started flag. */ - private volatile boolean procStarted; - - /** Reply received flag. */ - private volatile boolean replyReceived; - - /** Logger. */ - private final IgniteLogger log = GridHadoopExternalTaskExecutor.this.log; - - /** - * Empty constructor. - */ - public GridHadoopProcessFuture() { - // No-op. - } - - /** - * @param ctx Kernal context. - */ - private GridHadoopProcessFuture(UUID childProcId, GridHadoopJobId jobId, GridKernalContext ctx) { - super(ctx); - - this.childProcId = childProcId; - this.jobId = jobId; - } - - /** - * Process started callback. - */ - public void onProcessStarted(Process proc) { - this.proc = proc; - - procStarted = true; - - if (procStarted && replyReceived) - onDone(F.t(proc, desc)); - } - - /** - * Reply received callback. - */ - public void onReplyReceived(GridHadoopProcessDescriptor desc) { - assert childProcId.equals(desc.processId()); - - this.desc = desc; - - replyReceived = true; - - if (procStarted && replyReceived) - onDone(F.t(proc, desc)); - } - - /** {@inheritDoc} */ - @Override public boolean onDone(@Nullable IgniteBiTuple<Process, GridHadoopProcessDescriptor> res, - @Nullable Throwable err) { - if (err == null) { - HadoopProcess proc = runningProcsByProcId.get(childProcId); - - assert proc != null; - - assert proc.initFut == this; - - proc.onInitialized(res.get1(), res.get2()); - - if (!F.isEmpty(proc.reducers())) - jobTracker.onExternalMappersInitialized(jobId, proc.reducers(), desc); - } - else { - // Clean up since init failed. - runningProcsByJobId.remove(jobId); - runningProcsByProcId.remove(childProcId); - } - - if (super.onDone(res, err)) { - if (err == null) { - if (log.isDebugEnabled()) - log.debug("Initialized child process for external task execution [jobId=" + jobId + - ", desc=" + desc + ", initTime=" + duration() + ']'); - } - else - U.error(log, "Failed to initialize child process for external task execution [jobId=" + jobId + - ", desc=" + desc + ']', err); - - return true; - } - - return false; - } - } -}
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskMetadata.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskMetadata.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskMetadata.java deleted file mode 100644 index 39606bc..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopExternalTaskMetadata.java +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.internal.util.tostring.*; -import org.apache.ignite.internal.util.typedef.internal.*; - -import java.util.*; - -/** - * External task metadata (classpath, JVM options) needed to start external process execution. - */ -public class GridHadoopExternalTaskMetadata { - /** Process classpath. */ - private Collection<String> classpath; - - /** JVM options. */ - @GridToStringInclude - private Collection<String> jvmOpts; - - /** - * @return JVM Options. - */ - public Collection<String> jvmOptions() { - return jvmOpts; - } - - /** - * @param jvmOpts JVM options. - */ - public void jvmOptions(Collection<String> jvmOpts) { - this.jvmOpts = jvmOpts; - } - - /** - * @return Classpath. - */ - public Collection<String> classpath() { - return classpath; - } - - /** - * @param classpath Classpath. - */ - public void classpath(Collection<String> classpath) { - this.classpath = classpath; - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(GridHadoopExternalTaskMetadata.class, this); - } -} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopJobInfoUpdateRequest.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopJobInfoUpdateRequest.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopJobInfoUpdateRequest.java deleted file mode 100644 index 2a7c7a8..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopJobInfoUpdateRequest.java +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.internal.processors.hadoop.*; -import org.apache.ignite.internal.processors.hadoop.message.*; -import org.apache.ignite.internal.util.tostring.*; -import org.apache.ignite.internal.util.typedef.internal.*; - -import java.io.*; - -/** - * Job info update request. - */ -public class GridHadoopJobInfoUpdateRequest implements GridHadoopMessage { - /** */ - private static final long serialVersionUID = 0L; - - /** Job ID. */ - @GridToStringInclude - private GridHadoopJobId jobId; - - /** Job phase. */ - @GridToStringInclude - private GridHadoopJobPhase jobPhase; - - /** Reducers addresses. */ - @GridToStringInclude - private GridHadoopProcessDescriptor[] reducersAddrs; - - /** - * Constructor required by {@link Externalizable}. - */ - public GridHadoopJobInfoUpdateRequest() { - // No-op. - } - - /** - * @param jobId Job ID. - * @param jobPhase Job phase. - * @param reducersAddrs Reducers addresses. - */ - public GridHadoopJobInfoUpdateRequest(GridHadoopJobId jobId, GridHadoopJobPhase jobPhase, - GridHadoopProcessDescriptor[] reducersAddrs) { - assert jobId != null; - - this.jobId = jobId; - this.jobPhase = jobPhase; - this.reducersAddrs = reducersAddrs; - } - - /** - * @return Job ID. - */ - public GridHadoopJobId jobId() { - return jobId; - } - - /** - * @return Job phase. - */ - public GridHadoopJobPhase jobPhase() { - return jobPhase; - } - - /** - * @return Reducers addresses. - */ - public GridHadoopProcessDescriptor[] reducersAddresses() { - return reducersAddrs; - } - - /** {@inheritDoc} */ - @Override public void writeExternal(ObjectOutput out) throws IOException { - jobId.writeExternal(out); - - out.writeObject(jobPhase); - U.writeArray(out, reducersAddrs); - } - - /** {@inheritDoc} */ - @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { - jobId = new GridHadoopJobId(); - jobId.readExternal(in); - - jobPhase = (GridHadoopJobPhase)in.readObject(); - reducersAddrs = (GridHadoopProcessDescriptor[])U.readArray(in); - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(GridHadoopJobInfoUpdateRequest.class, this); - } -} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopPrepareForJobRequest.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopPrepareForJobRequest.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopPrepareForJobRequest.java deleted file mode 100644 index 3a55d19..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopPrepareForJobRequest.java +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.internal.processors.hadoop.*; -import org.apache.ignite.internal.processors.hadoop.message.*; -import org.apache.ignite.internal.util.tostring.*; -import org.apache.ignite.internal.util.typedef.internal.*; - -import java.io.*; - -/** - * Child process initialization request. - */ -public class GridHadoopPrepareForJobRequest implements GridHadoopMessage { - /** */ - private static final long serialVersionUID = 0L; - - /** Job ID. */ - @GridToStringInclude - private GridHadoopJobId jobId; - - /** Job info. */ - @GridToStringInclude - private GridHadoopJobInfo jobInfo; - - /** Total amount of reducers in the job. */ - @GridToStringInclude - private int totalReducersCnt; - - /** Reducers to be executed on current node. */ - @GridToStringInclude - private int[] locReducers; - - /** - * Constructor required by {@link Externalizable}. - */ - public GridHadoopPrepareForJobRequest() { - // No-op. - } - - /** - * @param jobId Job ID. - * @param jobInfo Job info. - * @param totalReducersCnt Number of reducers in the job. - * @param locReducers Reducers to be executed on current node. - */ - public GridHadoopPrepareForJobRequest(GridHadoopJobId jobId, GridHadoopJobInfo jobInfo, int totalReducersCnt, - int[] locReducers) { - assert jobId != null; - - this.jobId = jobId; - this.jobInfo = jobInfo; - this.totalReducersCnt = totalReducersCnt; - this.locReducers = locReducers; - } - - /** - * @return Job info. - */ - public GridHadoopJobInfo jobInfo() { - return jobInfo; - } - - /** - * @return Job ID. - */ - public GridHadoopJobId jobId() { - return jobId; - } - - /** - * @return Reducers to be executed on current node. - */ - public int[] localReducers() { - return locReducers; - } - - /** - * @return Number of reducers in job. - */ - public int totalReducerCount() { - return totalReducersCnt; - } - - /** {@inheritDoc} */ - @Override public void writeExternal(ObjectOutput out) throws IOException { - jobId.writeExternal(out); - - out.writeObject(jobInfo); - out.writeInt(totalReducersCnt); - - U.writeIntArray(out, locReducers); - } - - /** {@inheritDoc} */ - @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { - jobId = new GridHadoopJobId(); - jobId.readExternal(in); - - jobInfo = (GridHadoopJobInfo)in.readObject(); - totalReducersCnt = in.readInt(); - - locReducers = U.readIntArray(in); - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(GridHadoopPrepareForJobRequest.class, this); - } -} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessDescriptor.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessDescriptor.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessDescriptor.java deleted file mode 100644 index 7fc8858..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessDescriptor.java +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.internal.util.typedef.internal.*; - -import java.io.*; -import java.util.*; - -/** - * Process descriptor used to identify process for which task is running. - */ -public class GridHadoopProcessDescriptor implements Serializable { - /** */ - private static final long serialVersionUID = 0L; - - /** Parent node ID. */ - private UUID parentNodeId; - - /** Process ID. */ - private UUID procId; - - /** Address. */ - private String addr; - - /** TCP port. */ - private int tcpPort; - - /** Shared memory port. */ - private int shmemPort; - - /** - * @param parentNodeId Parent node ID. - * @param procId Process ID. - */ - public GridHadoopProcessDescriptor(UUID parentNodeId, UUID procId) { - this.parentNodeId = parentNodeId; - this.procId = procId; - } - - /** - * Gets process ID. - * - * @return Process ID. - */ - public UUID processId() { - return procId; - } - - /** - * Gets parent node ID. - * - * @return Parent node ID. - */ - public UUID parentNodeId() { - return parentNodeId; - } - - /** - * Gets host address. - * - * @return Host address. - */ - public String address() { - return addr; - } - - /** - * Sets host address. - * - * @param addr Host address. - */ - public void address(String addr) { - this.addr = addr; - } - - /** - * @return Shared memory port. - */ - public int sharedMemoryPort() { - return shmemPort; - } - - /** - * Sets shared memory port. - * - * @param shmemPort Shared memory port. - */ - public void sharedMemoryPort(int shmemPort) { - this.shmemPort = shmemPort; - } - - /** - * @return TCP port. - */ - public int tcpPort() { - return tcpPort; - } - - /** - * Sets TCP port. - * - * @param tcpPort TCP port. - */ - public void tcpPort(int tcpPort) { - this.tcpPort = tcpPort; - } - - /** {@inheritDoc} */ - @Override public boolean equals(Object o) { - if (this == o) - return true; - - if (!(o instanceof GridHadoopProcessDescriptor)) - return false; - - GridHadoopProcessDescriptor that = (GridHadoopProcessDescriptor)o; - - return parentNodeId.equals(that.parentNodeId) && procId.equals(that.procId); - } - - /** {@inheritDoc} */ - @Override public int hashCode() { - int result = parentNodeId.hashCode(); - - result = 31 * result + procId.hashCode(); - - return result; - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(GridHadoopProcessDescriptor.class, this); - } -} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessStartedAck.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessStartedAck.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessStartedAck.java deleted file mode 100644 index 679da6c..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopProcessStartedAck.java +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.internal.processors.hadoop.message.*; -import org.apache.ignite.internal.util.typedef.internal.*; - -import java.io.*; - -/** - * Process started message. - */ -public class GridHadoopProcessStartedAck implements GridHadoopMessage { - /** */ - private static final long serialVersionUID = 0L; - - /** {@inheritDoc} */ - @Override public void writeExternal(ObjectOutput out) throws IOException { - // No-op. - } - - /** {@inheritDoc} */ - @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { - // No-op. - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(GridHadoopProcessStartedAck.class, this); - } -} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskExecutionRequest.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskExecutionRequest.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskExecutionRequest.java deleted file mode 100644 index 9f11e0e..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskExecutionRequest.java +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.internal.processors.hadoop.*; -import org.apache.ignite.internal.processors.hadoop.message.*; -import org.apache.ignite.internal.util.tostring.*; -import org.apache.ignite.internal.util.typedef.internal.*; - -import java.io.*; -import java.util.*; - -/** - * Message sent from node to child process to start task(s) execution. - */ -public class GridHadoopTaskExecutionRequest implements GridHadoopMessage { - /** */ - private static final long serialVersionUID = 0L; - - /** Job ID. */ - @GridToStringInclude - private GridHadoopJobId jobId; - - /** Job info. */ - @GridToStringInclude - private GridHadoopJobInfo jobInfo; - - /** Mappers. */ - @GridToStringInclude - private Collection<GridHadoopTaskInfo> tasks; - - /** - * @return Job ID. - */ - public GridHadoopJobId jobId() { - return jobId; - } - - /** - * @param jobId Job ID. - */ - public void jobId(GridHadoopJobId jobId) { - this.jobId = jobId; - } - - /** - * @return Jon info. - */ - public GridHadoopJobInfo jobInfo() { - return jobInfo; - } - - /** - * @param jobInfo Job info. - */ - public void jobInfo(GridHadoopJobInfo jobInfo) { - this.jobInfo = jobInfo; - } - - /** - * @return Tasks. - */ - public Collection<GridHadoopTaskInfo> tasks() { - return tasks; - } - - /** - * @param tasks Tasks. - */ - public void tasks(Collection<GridHadoopTaskInfo> tasks) { - this.tasks = tasks; - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(GridHadoopTaskExecutionRequest.class, this); - } - - /** {@inheritDoc} */ - @Override public void writeExternal(ObjectOutput out) throws IOException { - jobId.writeExternal(out); - - out.writeObject(jobInfo); - U.writeCollection(out, tasks); - } - - /** {@inheritDoc} */ - @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { - jobId = new GridHadoopJobId(); - jobId.readExternal(in); - - jobInfo = (GridHadoopJobInfo)in.readObject(); - tasks = U.readCollection(in); - } -} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskFinishedMessage.java ---------------------------------------------------------------------- diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskFinishedMessage.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskFinishedMessage.java deleted file mode 100644 index f69abaf..0000000 --- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/GridHadoopTaskFinishedMessage.java +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.ignite.internal.processors.hadoop.taskexecutor.external; - -import org.apache.ignite.internal.processors.hadoop.*; -import org.apache.ignite.internal.processors.hadoop.message.*; -import org.apache.ignite.internal.processors.hadoop.taskexecutor.*; -import org.apache.ignite.internal.util.typedef.internal.*; - -import java.io.*; - -/** - * Task finished message. Sent when local task finishes execution. - */ -public class GridHadoopTaskFinishedMessage implements GridHadoopMessage { - /** */ - private static final long serialVersionUID = 0L; - - /** Finished task info. */ - private GridHadoopTaskInfo taskInfo; - - /** Task finish status. */ - private GridHadoopTaskStatus status; - - /** - * Constructor required by {@link Externalizable}. - */ - public GridHadoopTaskFinishedMessage() { - // No-op. - } - - /** - * @param taskInfo Finished task info. - * @param status Task finish status. - */ - public GridHadoopTaskFinishedMessage(GridHadoopTaskInfo taskInfo, GridHadoopTaskStatus status) { - assert taskInfo != null; - assert status != null; - - this.taskInfo = taskInfo; - this.status = status; - } - - /** - * @return Finished task info. - */ - public GridHadoopTaskInfo taskInfo() { - return taskInfo; - } - - /** - * @return Task finish status. - */ - public GridHadoopTaskStatus status() { - return status; - } - - /** {@inheritDoc} */ - @Override public String toString() { - return S.toString(GridHadoopTaskFinishedMessage.class, this); - } - - /** {@inheritDoc} */ - @Override public void writeExternal(ObjectOutput out) throws IOException { - taskInfo.writeExternal(out); - status.writeExternal(out); - } - - /** {@inheritDoc} */ - @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { - taskInfo = new GridHadoopTaskInfo(); - taskInfo.readExternal(in); - - status = new GridHadoopTaskStatus(); - status.readExternal(in); - } -}