Java Code Examples for org.apache.flink.api.common.operators.base.PartitionOperatorBase.PartitionMethod#HASH

The following examples show how to use org.apache.flink.api.common.operators.base.PartitionOperatorBase.PartitionMethod#HASH . 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: DataSet.java    From Flink-CEPplus with Apache License 2.0 2 votes vote down vote up 
/**
 * Hash-partitions a DataSet on the specified key fields.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param fields The field indexes on which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 */
public PartitionOperator<T> partitionByHash(int... fields) {
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.ExpressionKeys<>(fields, getType()), Utils.getCallLocationName());
}
Example 2
Source File: DataSet.java    From Flink-CEPplus with Apache License 2.0 2 votes vote down vote up 
/**
 * Hash-partitions a DataSet on the specified key fields.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param fields The field expressions on which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 */
public PartitionOperator<T> partitionByHash(String... fields) {
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.ExpressionKeys<>(fields, getType()), Utils.getCallLocationName());
}
Example 3
Source File: DataSet.java    From Flink-CEPplus with Apache License 2.0 2 votes vote down vote up 
/**
 * Partitions a DataSet using the specified KeySelector.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param keyExtractor The KeyExtractor with which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 *
 * @see KeySelector
 */
public <K extends Comparable<K>> PartitionOperator<T> partitionByHash(KeySelector<T, K> keyExtractor) {
	final TypeInformation<K> keyType = TypeExtractor.getKeySelectorTypes(keyExtractor, getType());
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.SelectorFunctionKeys<>(clean(keyExtractor), this.getType(), keyType), Utils.getCallLocationName());
}
Example 4
Source File: DataSet.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Hash-partitions a DataSet on the specified key fields.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param fields The field indexes on which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 */
public PartitionOperator<T> partitionByHash(int... fields) {
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.ExpressionKeys<>(fields, getType()), Utils.getCallLocationName());
}
Example 5
Source File: DataSet.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Hash-partitions a DataSet on the specified key fields.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param fields The field expressions on which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 */
public PartitionOperator<T> partitionByHash(String... fields) {
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.ExpressionKeys<>(fields, getType()), Utils.getCallLocationName());
}
Example 6
Source File: DataSet.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Partitions a DataSet using the specified KeySelector.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param keyExtractor The KeyExtractor with which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 *
 * @see KeySelector
 */
public <K extends Comparable<K>> PartitionOperator<T> partitionByHash(KeySelector<T, K> keyExtractor) {
	final TypeInformation<K> keyType = TypeExtractor.getKeySelectorTypes(keyExtractor, getType());
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.SelectorFunctionKeys<>(clean(keyExtractor), this.getType(), keyType), Utils.getCallLocationName());
}
Example 7
Source File: DataSet.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Hash-partitions a DataSet on the specified key fields.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param fields The field indexes on which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 */
public PartitionOperator<T> partitionByHash(int... fields) {
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.ExpressionKeys<>(fields, getType()), Utils.getCallLocationName());
}
Example 8
Source File: DataSet.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Hash-partitions a DataSet on the specified key fields.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param fields The field expressions on which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 */
public PartitionOperator<T> partitionByHash(String... fields) {
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.ExpressionKeys<>(fields, getType()), Utils.getCallLocationName());
}
Example 9
Source File: DataSet.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Partitions a DataSet using the specified KeySelector.
 *
 * <p><b>Important:</b>This operation shuffles the whole DataSet over the network and can take significant amount of time.
 *
 * @param keyExtractor The KeyExtractor with which the DataSet is hash-partitioned.
 * @return The partitioned DataSet.
 *
 * @see KeySelector
 */
public <K extends Comparable<K>> PartitionOperator<T> partitionByHash(KeySelector<T, K> keyExtractor) {
	final TypeInformation<K> keyType = TypeExtractor.getKeySelectorTypes(keyExtractor, getType());
	return new PartitionOperator<>(this, PartitionMethod.HASH, new Keys.SelectorFunctionKeys<>(clean(keyExtractor), this.getType(), keyType), Utils.getCallLocationName());
}