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davsclaus pushed a commit to branch opt-exchangekey
in repository https://gitbox.apache.org/repos/asf/camel.git
commit 7d44f596d4f684ac7229b3bfa6c3167453d3dfa8
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Thu Mar 11 07:06:02 2021 +0100
CAMEL-16326: camel-core - Optimize usage of exchanage properties for state
in routing engine.
---
.../src/main/java/org/apache/camel/Exchange.java | 16 +++++++++++++
.../java/org/apache/camel/ExchangePropertyKey.java | 26 ++++++++++++++++++++++
.../java/org/apache/camel/processor/Pipeline.java | 1 +
.../org/apache/camel/processor/SendProcessor.java | 5 +++--
.../org/apache/camel/support/AbstractExchange.java | 13 +++++++++++
.../camel/support/DefaultPooledExchange.java | 3 +++
6 files changed, 62 insertions(+), 2 deletions(-)
diff --git a/core/camel-api/src/main/java/org/apache/camel/Exchange.java
b/core/camel-api/src/main/java/org/apache/camel/Exchange.java
index af4e559..b69df8d 100644
--- a/core/camel-api/src/main/java/org/apache/camel/Exchange.java
+++ b/core/camel-api/src/main/java/org/apache/camel/Exchange.java
@@ -293,6 +293,22 @@ public interface Exchange {
void setPattern(ExchangePattern pattern);
/**
+ * Returns a property associated with this exchange by the key
+ *
+ * @param key the exchange key
+ * @return the value of the given property or <tt>null</tt> if there
is no property for the given key
+ */
+ Object getProperty(ExchangePropertyKey key);
+
+ /**
+ * Sets a property on the exchange
+ *
+ * @param key the exchange key
+ * @param value to associate with the name
+ */
+ void setProperty(ExchangePropertyKey key, Object value);
+
+ /**
* Returns a property associated with this exchange by name
*
* @param name the name of the property
diff --git
a/core/camel-api/src/main/java/org/apache/camel/ExchangePropertyKey.java
b/core/camel-api/src/main/java/org/apache/camel/ExchangePropertyKey.java
new file mode 100644
index 0000000..1228c18
--- /dev/null
+++ b/core/camel-api/src/main/java/org/apache/camel/ExchangePropertyKey.java
@@ -0,0 +1,26 @@
+/*
+ * 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.camel;
+
+/**
+ * An enum of common and known keys for exchange properties used by camel-core.
+ */
+public enum ExchangePropertyKey {
+
+ TO_ENDPOINT
+
+}
diff --git
a/core/camel-core-processor/src/main/java/org/apache/camel/processor/Pipeline.java
b/core/camel-core-processor/src/main/java/org/apache/camel/processor/Pipeline.java
index 728e31a..4973fb9 100644
---
a/core/camel-core-processor/src/main/java/org/apache/camel/processor/Pipeline.java
+++
b/core/camel-core-processor/src/main/java/org/apache/camel/processor/Pipeline.java
@@ -106,6 +106,7 @@ public class Pipeline extends AsyncProcessorSupport
implements Navigate<Processo
processor.process(exchange, this);
} else {
+ // TODO: optimize we can likely avoid copy results due to same
exchange instance
ExchangeHelper.copyResults(exchange, exchange);
// logging nextExchange as it contains the exchange that might
have altered the payload and since
diff --git
a/core/camel-core-processor/src/main/java/org/apache/camel/processor/SendProcessor.java
b/core/camel-core-processor/src/main/java/org/apache/camel/processor/SendProcessor.java
index a82be08..784d28e 100644
---
a/core/camel-core-processor/src/main/java/org/apache/camel/processor/SendProcessor.java
+++
b/core/camel-core-processor/src/main/java/org/apache/camel/processor/SendProcessor.java
@@ -24,6 +24,7 @@ import org.apache.camel.Endpoint;
import org.apache.camel.EndpointAware;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
+import org.apache.camel.ExchangePropertyKey;
import org.apache.camel.ExtendedCamelContext;
import org.apache.camel.Traceable;
import org.apache.camel.spi.IdAware;
@@ -134,7 +135,7 @@ public class SendProcessor extends AsyncProcessorSupport
implements Traceable, E
target.setPattern(destinationExchangePattern != null ?
destinationExchangePattern : pattern);
}
// set property which endpoint we send to
- target.setProperty(Exchange.TO_ENDPOINT,
destination.getEndpointUri());
+ exchange.setProperty(ExchangePropertyKey.TO_ENDPOINT,
destination.getEndpointUri());
final boolean sending =
camelContext.isEventNotificationApplicable()
&&
EventHelper.notifyExchangeSending(exchange.getContext(), target, destination);
@@ -179,7 +180,7 @@ public class SendProcessor extends AsyncProcessorSupport
implements Traceable, E
exchange.setPattern(destinationExchangePattern != null ?
destinationExchangePattern : pattern);
}
// set property which endpoint we send to
- exchange.setProperty(Exchange.TO_ENDPOINT,
destination.getEndpointUri());
+ exchange.setProperty(ExchangePropertyKey.TO_ENDPOINT,
destination.getEndpointUri());
LOG.debug(">>>> {} {}", destination, exchange);
diff --git
a/core/camel-support/src/main/java/org/apache/camel/support/AbstractExchange.java
b/core/camel-support/src/main/java/org/apache/camel/support/AbstractExchange.java
index e4f1cdb..4023be6 100644
---
a/core/camel-support/src/main/java/org/apache/camel/support/AbstractExchange.java
+++
b/core/camel-support/src/main/java/org/apache/camel/support/AbstractExchange.java
@@ -30,6 +30,7 @@ import org.apache.camel.CamelExecutionException;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
+import org.apache.camel.ExchangePropertyKey;
import org.apache.camel.ExtendedCamelContext;
import org.apache.camel.ExtendedExchange;
import org.apache.camel.Message;
@@ -53,6 +54,8 @@ class AbstractExchange implements ExtendedExchange {
final CamelContext context;
// optimize to create properties always and with a reasonable small size
final Map<String, Object> properties = new ConcurrentHashMap<>(8);
+ // optimize for known exchange properties
+ final Object[] knownProperties = new
Object[ExchangePropertyKey.values().length];
long created;
Message in;
Message out;
@@ -184,6 +187,16 @@ class AbstractExchange implements ExtendedExchange {
}
@Override
+ public Object getProperty(ExchangePropertyKey key) {
+ return knownProperties[key.ordinal()];
+ }
+
+ @Override
+ public void setProperty(ExchangePropertyKey key, Object value) {
+ knownProperties[key.ordinal()] = value;
+ }
+
+ @Override
public Object getProperty(String name) {
return properties.get(name);
}
diff --git
a/core/camel-support/src/main/java/org/apache/camel/support/DefaultPooledExchange.java
b/core/camel-support/src/main/java/org/apache/camel/support/DefaultPooledExchange.java
index b13e73b..f381c9f 100644
---
a/core/camel-support/src/main/java/org/apache/camel/support/DefaultPooledExchange.java
+++
b/core/camel-support/src/main/java/org/apache/camel/support/DefaultPooledExchange.java
@@ -16,6 +16,8 @@
*/
package org.apache.camel.support;
+import java.util.Arrays;
+
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
@@ -76,6 +78,7 @@ public final class DefaultPooledExchange extends
AbstractExchange implements Poo
if (created > 0 && (forced || autoRelease)) {
this.created = 0; // by setting to 0 we also flag that this
exchange is done and needs to be reset to use again
this.properties.clear();
+ Arrays.fill(this.knownProperties, null);
this.exchangeId = null;
if (in != null && in.getClass() == originalInClassType) {
// okay we can reuse in
