org.apache.flink.streaming.runtime.partitioner.KeyGroupStreamPartitioner Java Examples

The following examples show how to use org.apache.flink.streaming.runtime.partitioner.KeyGroupStreamPartitioner. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: KeyedStream.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
/**
 * Creates a new {@link KeyedStream} using the given {@link KeySelector}
 * to partition operator state by key.
 *
 * @param dataStream
 *            Base stream of data
 * @param keySelector
 *            Function for determining state partitions
 */
public KeyedStream(DataStream<T> dataStream, KeySelector<T, KEY> keySelector, TypeInformation<KEY> keyType) {
	this(
		dataStream,
		new PartitionTransformation<>(
			dataStream.getTransformation(),
			new KeyGroupStreamPartitioner<>(keySelector, StreamGraphGenerator.DEFAULT_LOWER_BOUND_MAX_PARALLELISM)),
		keySelector,
		keyType);
}
Example #2
Source File: DataStreamTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
private static boolean isPartitioned(List<StreamEdge> edges) {
	boolean result = true;
	for (StreamEdge edge: edges) {
		if (!(edge.getPartitioner() instanceof KeyGroupStreamPartitioner)) {
			result = false;
		}
	}
	return result;
}
Example #3
Source File: KeyedStream.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 * Creates a new {@link KeyedStream} using the given {@link KeySelector}
 * to partition operator state by key.
 *
 * @param dataStream
 *            Base stream of data
 * @param keySelector
 *            Function for determining state partitions
 */
public KeyedStream(DataStream<T> dataStream, KeySelector<T, KEY> keySelector, TypeInformation<KEY> keyType) {
	this(
		dataStream,
		new PartitionTransformation<>(
			dataStream.getTransformation(),
			new KeyGroupStreamPartitioner<>(keySelector, StreamGraphGenerator.DEFAULT_LOWER_BOUND_MAX_PARALLELISM)),
		keySelector,
		keyType);
}
Example #4
Source File: DataStreamTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
private static boolean isPartitioned(List<StreamEdge> edges) {
	boolean result = true;
	for (StreamEdge edge: edges) {
		if (!(edge.getPartitioner() instanceof KeyGroupStreamPartitioner)) {
			result = false;
		}
	}
	return result;
}
Example #5
Source File: KeyedStream.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 * Creates a new {@link KeyedStream} using the given {@link KeySelector}
 * to partition operator state by key.
 *
 * @param dataStream
 *            Base stream of data
 * @param keySelector
 *            Function for determining state partitions
 */
public KeyedStream(DataStream<T> dataStream, KeySelector<T, KEY> keySelector, TypeInformation<KEY> keyType) {
	this(
		dataStream,
		new PartitionTransformation<>(
			dataStream.getTransformation(),
			new KeyGroupStreamPartitioner<>(keySelector, StreamGraphGenerator.DEFAULT_LOWER_BOUND_MAX_PARALLELISM)),
		keySelector,
		keyType);
}
Example #6
Source File: DataStreamTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
private static boolean isPartitioned(List<StreamEdge> edges) {
	boolean result = true;
	for (StreamEdge edge: edges) {
		if (!(edge.getPartitioner() instanceof KeyGroupStreamPartitioner)) {
			result = false;
		}
	}
	return result;
}