rdblue commented on code in PR #12346:
URL: https://github.com/apache/iceberg/pull/12346#discussion_r2008318506
##########
api/src/main/java/org/apache/iceberg/types/Types.java:
##########
@@ -543,6 +565,148 @@ public int hashCode() {
}
}
+ public static class GeometryType extends PrimitiveType {
+
+ private final String crs;
+
+ private GeometryType(String crs) {
+ if (crs != null) {
+ Preconditions.checkArgument(!crs.isEmpty(), "Invalid CRS: (empty
string)");
+ Preconditions.checkArgument(
+ crs.trim().equals(crs), "CRS must not have leading or trailing
spaces: '%s'", crs);
+ this.crs = crs;
+ } else {
+ this.crs = null;
+ }
+ }
+
+ private GeometryType() {
+ crs = null;
+ }
+
+ public static GeometryType crs84() {
+ return new GeometryType();
+ }
+
+ public static GeometryType of(String crs) {
+ return new GeometryType(crs);
+ }
+
+ @Override
+ public TypeID typeId() {
+ return TypeID.GEOMETRY;
+ }
+
+ public String crs() {
+ return crs;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ } else if (!(o instanceof GeometryType)) {
+ return false;
+ }
+
+ GeometryType that = (GeometryType) o;
+ return Objects.equals(crs, that.crs);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(GeometryType.class, crs);
+ }
+
+ @Override
+ public String toString() {
+ if (crs == null) {
+ return "geometry";
+ }
+
+ return String.format("geometry(%s)", crs);
+ }
+ }
+
+ public static class GeographyType extends PrimitiveType {
+
+ public static final String DEFAULT_CRS = "OGC:CRS84";
+
+ private final String crs;
+ private final EdgeAlgorithm algorithm;
+
+ private GeographyType(String crs, EdgeAlgorithm algorithm) {
+ if (crs != null) {
+ Preconditions.checkArgument(!crs.isEmpty(), "Invalid CRS: (empty
string)");
+ Preconditions.checkArgument(
+ crs.trim().equals(crs), "CRS must not have leading or trailing
spaces: '%s'", crs);
+ this.crs = crs;
+ } else {
+ this.crs = null;
+ }
+
+ this.algorithm = algorithm;
+ }
+
+ private GeographyType() {
+ this.crs = null;
+ this.algorithm = null;
+ }
+
+ public static GeographyType crs84() {
+ return new GeographyType();
+ }
+
+ public static GeographyType forCRS(String crs) {
Review Comment:
I think I disagree with @szehon-ho for the name here. I think that `of` is
fine because the other version of this method accepts a CRS string and
`EdgeAlgorithm`. I'm mainly motivated here by making this method match what we
use for `geometry`.
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