Java Code Examples for org.apache.flink.api.common.operators.Keys#validateCustomPartitioner()

The following examples show how to use org.apache.flink.api.common.operators.Keys#validateCustomPartitioner() . 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: PartitionOperator.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
private <P> PartitionOperator(DataSet<T> input, PartitionMethod pMethod, Keys<T> pKeys, Partitioner<P> customPartitioner,
		TypeInformation<P> partitionerTypeInfo, DataDistribution distribution, String partitionLocationName) {
	super(input, input.getType());

	Preconditions.checkNotNull(pMethod);
	Preconditions.checkArgument(pKeys != null || pMethod == PartitionMethod.REBALANCE, "Partitioning requires keys");
	Preconditions.checkArgument(pMethod != PartitionMethod.CUSTOM || customPartitioner != null, "Custom partioning requires a partitioner.");
	Preconditions.checkArgument(distribution == null || pMethod == PartitionMethod.RANGE, "Customized data distribution is only neccessary for range partition.");

	if (distribution != null) {
		Preconditions.checkArgument(pKeys.getNumberOfKeyFields() <= distribution.getNumberOfFields(), "The distribution must provide at least as many fields as flat key fields are specified.");
		Preconditions.checkArgument(Arrays.equals(pKeys.getKeyFieldTypes(), Arrays.copyOfRange(distribution.getKeyTypes(), 0, pKeys.getNumberOfKeyFields())),
				"The types of the flat key fields must be equal to the types of the fields of the distribution.");
	}

	if (customPartitioner != null) {
		pKeys.validateCustomPartitioner(customPartitioner, partitionerTypeInfo);
	}

	this.pMethod = pMethod;
	this.pKeys = pKeys;
	this.partitionLocationName = partitionLocationName;
	this.customPartitioner = customPartitioner;
	this.distribution = distribution;
}
Example 2
Source File: KeySelectorUtil.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
public static <X, K> KeySelector<X, K> getSelectorForOneKey(
		Keys<X> keys, Partitioner<K> partitioner, TypeInformation<X> typeInfo, ExecutionConfig executionConfig) {
	if (!(typeInfo instanceof CompositeType)) {
		throw new InvalidTypesException(
				"This key operation requires a composite type such as Tuples, POJOs, case classes, etc");
	}
	if (partitioner != null) {
		keys.validateCustomPartitioner(partitioner, null);
	}

	CompositeType<X> compositeType = (CompositeType<X>) typeInfo;
	int[] logicalKeyPositions = keys.computeLogicalKeyPositions();
	if (logicalKeyPositions.length != 1) {
		throw new IllegalArgumentException("There must be exactly 1 key specified");
	}

	TypeComparator<X> comparator = compositeType.createComparator(
			logicalKeyPositions, new boolean[] { true }, 0, executionConfig);
	return new OneKeySelector<>(comparator);
}
Example 3
Source File: PartitionOperator.java    From flink with Apache License 2.0 6 votes vote down vote up 
private <P> PartitionOperator(DataSet<T> input, PartitionMethod pMethod, Keys<T> pKeys, Partitioner<P> customPartitioner,
		TypeInformation<P> partitionerTypeInfo, DataDistribution distribution, String partitionLocationName) {
	super(input, input.getType());

	Preconditions.checkNotNull(pMethod);
	Preconditions.checkArgument(pKeys != null || pMethod == PartitionMethod.REBALANCE, "Partitioning requires keys");
	Preconditions.checkArgument(pMethod != PartitionMethod.CUSTOM || customPartitioner != null, "Custom partioning requires a partitioner.");
	Preconditions.checkArgument(distribution == null || pMethod == PartitionMethod.RANGE, "Customized data distribution is only neccessary for range partition.");

	if (distribution != null) {
		Preconditions.checkArgument(pKeys.getNumberOfKeyFields() <= distribution.getNumberOfFields(), "The distribution must provide at least as many fields as flat key fields are specified.");
		Preconditions.checkArgument(Arrays.equals(pKeys.getKeyFieldTypes(), Arrays.copyOfRange(distribution.getKeyTypes(), 0, pKeys.getNumberOfKeyFields())),
				"The types of the flat key fields must be equal to the types of the fields of the distribution.");
	}

	if (customPartitioner != null) {
		pKeys.validateCustomPartitioner(customPartitioner, partitionerTypeInfo);
	}

	this.pMethod = pMethod;
	this.pKeys = pKeys;
	this.partitionLocationName = partitionLocationName;
	this.customPartitioner = customPartitioner;
	this.distribution = distribution;
}
Example 4
Source File: KeySelectorUtil.java    From flink with Apache License 2.0 6 votes vote down vote up 
public static <X, K> KeySelector<X, K> getSelectorForOneKey(
		Keys<X> keys, Partitioner<K> partitioner, TypeInformation<X> typeInfo, ExecutionConfig executionConfig) {
	if (!(typeInfo instanceof CompositeType)) {
		throw new InvalidTypesException(
				"This key operation requires a composite type such as Tuples, POJOs, case classes, etc");
	}
	if (partitioner != null) {
		keys.validateCustomPartitioner(partitioner, null);
	}

	CompositeType<X> compositeType = (CompositeType<X>) typeInfo;
	int[] logicalKeyPositions = keys.computeLogicalKeyPositions();
	if (logicalKeyPositions.length != 1) {
		throw new IllegalArgumentException("There must be exactly 1 key specified");
	}

	TypeComparator<X> comparator = compositeType.createComparator(
			logicalKeyPositions, new boolean[] { true }, 0, executionConfig);
	return new OneKeySelector<>(comparator);
}
Example 5
Source File: PartitionOperator.java    From flink with Apache License 2.0 6 votes vote down vote up 
private <P> PartitionOperator(DataSet<T> input, PartitionMethod pMethod, Keys<T> pKeys, Partitioner<P> customPartitioner,
		TypeInformation<P> partitionerTypeInfo, DataDistribution distribution, String partitionLocationName) {
	super(input, input.getType());

	Preconditions.checkNotNull(pMethod);
	Preconditions.checkArgument(pKeys != null || pMethod == PartitionMethod.REBALANCE, "Partitioning requires keys");
	Preconditions.checkArgument(pMethod != PartitionMethod.CUSTOM || customPartitioner != null, "Custom partioning requires a partitioner.");
	Preconditions.checkArgument(distribution == null || pMethod == PartitionMethod.RANGE, "Customized data distribution is only neccessary for range partition.");

	if (distribution != null) {
		Preconditions.checkArgument(pKeys.getNumberOfKeyFields() <= distribution.getNumberOfFields(), "The distribution must provide at least as many fields as flat key fields are specified.");
		Preconditions.checkArgument(Arrays.equals(pKeys.getKeyFieldTypes(), Arrays.copyOfRange(distribution.getKeyTypes(), 0, pKeys.getNumberOfKeyFields())),
				"The types of the flat key fields must be equal to the types of the fields of the distribution.");
	}

	if (customPartitioner != null) {
		pKeys.validateCustomPartitioner(customPartitioner, partitionerTypeInfo);
	}

	this.pMethod = pMethod;
	this.pKeys = pKeys;
	this.partitionLocationName = partitionLocationName;
	this.customPartitioner = customPartitioner;
	this.distribution = distribution;
}
Example 6
Source File: KeySelectorUtil.java    From flink with Apache License 2.0 6 votes vote down vote up 
public static <X, K> KeySelector<X, K> getSelectorForOneKey(
		Keys<X> keys, Partitioner<K> partitioner, TypeInformation<X> typeInfo, ExecutionConfig executionConfig) {
	if (!(typeInfo instanceof CompositeType)) {
		throw new InvalidTypesException(
				"This key operation requires a composite type such as Tuples, POJOs, case classes, etc");
	}
	if (partitioner != null) {
		keys.validateCustomPartitioner(partitioner, null);
	}

	CompositeType<X> compositeType = (CompositeType<X>) typeInfo;
	int[] logicalKeyPositions = keys.computeLogicalKeyPositions();
	if (logicalKeyPositions.length != 1) {
		throw new IllegalArgumentException("There must be exactly 1 key specified");
	}

	TypeComparator<X> comparator = compositeType.createComparator(
			logicalKeyPositions, new boolean[] { true }, 0, executionConfig);
	return new OneKeySelector<>(comparator);
}