Java Code Examples for org.apache.flink.runtime.iterative.concurrent.SolutionSetBroker

The following examples show how to use org.apache.flink.runtime.iterative.concurrent.SolutionSetBroker. These examples are extracted from open source projects. 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 Project: Flink-CEPplus   Source File: AbstractIterativeTask.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Creates a new solution set update output collector.
 *
 * <p>This collector is used by {@link IterationIntermediateTask} or {@link IterationTailTask} to update the
 * solution set of workset iterations. Depending on the task configuration, either a fast (non-probing)
 * {@link org.apache.flink.runtime.iterative.io.SolutionSetFastUpdateOutputCollector} or normal (re-probing)
 * {@link SolutionSetUpdateOutputCollector} is created.
 *
 * <p>If a non-null delegate is given, the new {@link Collector} will write back to the solution set and also call
 * collect(T) of the delegate.
 *
 * @param delegate null -OR- a delegate collector to be called by the newly created collector
 * @return a new {@link org.apache.flink.runtime.iterative.io.SolutionSetFastUpdateOutputCollector} or
 * {@link SolutionSetUpdateOutputCollector}
 */
protected Collector<OT> createSolutionSetUpdateOutputCollector(Collector<OT> delegate) {
	Broker<Object> solutionSetBroker = SolutionSetBroker.instance();

	Object ss = solutionSetBroker.get(brokerKey());
	if (ss instanceof CompactingHashTable) {
		@SuppressWarnings("unchecked")
		CompactingHashTable<OT> solutionSet = (CompactingHashTable<OT>) ss;
		return new SolutionSetUpdateOutputCollector<OT>(solutionSet, delegate);
	}
	else if (ss instanceof JoinHashMap) {
		@SuppressWarnings("unchecked")
		JoinHashMap<OT> map = (JoinHashMap<OT>) ss;
		return new SolutionSetObjectsUpdateOutputCollector<OT>(map, delegate);
	} else {
		throw new RuntimeException("Unrecognized solution set handle: " + ss);
	}
}
 
Example 2
Source Project: flink   Source File: AbstractIterativeTask.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Creates a new solution set update output collector.
 *
 * <p>This collector is used by {@link IterationIntermediateTask} or {@link IterationTailTask} to update the
 * solution set of workset iterations. Depending on the task configuration, either a fast (non-probing)
 * {@link org.apache.flink.runtime.iterative.io.SolutionSetFastUpdateOutputCollector} or normal (re-probing)
 * {@link SolutionSetUpdateOutputCollector} is created.
 *
 * <p>If a non-null delegate is given, the new {@link Collector} will write back to the solution set and also call
 * collect(T) of the delegate.
 *
 * @param delegate null -OR- a delegate collector to be called by the newly created collector
 * @return a new {@link org.apache.flink.runtime.iterative.io.SolutionSetFastUpdateOutputCollector} or
 * {@link SolutionSetUpdateOutputCollector}
 */
protected Collector<OT> createSolutionSetUpdateOutputCollector(Collector<OT> delegate) {
	Broker<Object> solutionSetBroker = SolutionSetBroker.instance();

	Object ss = solutionSetBroker.get(brokerKey());
	if (ss instanceof CompactingHashTable) {
		@SuppressWarnings("unchecked")
		CompactingHashTable<OT> solutionSet = (CompactingHashTable<OT>) ss;
		return new SolutionSetUpdateOutputCollector<OT>(solutionSet, delegate);
	}
	else if (ss instanceof JoinHashMap) {
		@SuppressWarnings("unchecked")
		JoinHashMap<OT> map = (JoinHashMap<OT>) ss;
		return new SolutionSetObjectsUpdateOutputCollector<OT>(map, delegate);
	} else {
		throw new RuntimeException("Unrecognized solution set handle: " + ss);
	}
}
 
Example 3
Source Project: flink   Source File: AbstractIterativeTask.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Creates a new solution set update output collector.
 *
 * <p>This collector is used by {@link IterationIntermediateTask} or {@link IterationTailTask} to update the
 * solution set of workset iterations. Depending on the task configuration, either a fast (non-probing)
 * {@link org.apache.flink.runtime.iterative.io.SolutionSetFastUpdateOutputCollector} or normal (re-probing)
 * {@link SolutionSetUpdateOutputCollector} is created.
 *
 * <p>If a non-null delegate is given, the new {@link Collector} will write back to the solution set and also call
 * collect(T) of the delegate.
 *
 * @param delegate null -OR- a delegate collector to be called by the newly created collector
 * @return a new {@link org.apache.flink.runtime.iterative.io.SolutionSetFastUpdateOutputCollector} or
 * {@link SolutionSetUpdateOutputCollector}
 */
protected Collector<OT> createSolutionSetUpdateOutputCollector(Collector<OT> delegate) {
	Broker<Object> solutionSetBroker = SolutionSetBroker.instance();

	Object ss = solutionSetBroker.get(brokerKey());
	if (ss instanceof CompactingHashTable) {
		@SuppressWarnings("unchecked")
		CompactingHashTable<OT> solutionSet = (CompactingHashTable<OT>) ss;
		return new SolutionSetUpdateOutputCollector<OT>(solutionSet, delegate);
	}
	else if (ss instanceof JoinHashMap) {
		@SuppressWarnings("unchecked")
		JoinHashMap<OT> map = (JoinHashMap<OT>) ss;
		return new SolutionSetObjectsUpdateOutputCollector<OT>(map, delegate);
	} else {
		throw new RuntimeException("Unrecognized solution set handle: " + ss);
	}
}
 
Example 4
@Override
@SuppressWarnings("unchecked")
public void initialize() throws Exception {
	
	final TypeComparator<IT2> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		Object table = SolutionSetBroker.instance().get(identifier);
		
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT2>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT2>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	}
	else {
		throw new Exception("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeComparatorFactory<IT1> probeSideComparatorFactory = config.getDriverComparator(0, classLoader); 
	
	this.probeSideSerializer = taskContext.<IT1>getInputSerializer(0).getSerializer();
	this.probeSideComparator = probeSideComparatorFactory.createComparator();

	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
	};
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator12(this.probeSideComparator, solutionSetComparator);
}
 
Example 5
@Override
@SuppressWarnings("unchecked")
public void initialize() throws Exception {
	
	final TypeSerializer<IT2> solutionSetSerializer;
	final TypeComparator<IT2> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		Object table = SolutionSetBroker.instance().get(identifier);
		
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT2>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT2>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	}
	else {
		throw new Exception("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeSerializer<IT1> probeSideSerializer = taskContext.<IT1>getInputSerializer(0).getSerializer();
	
	TypeComparatorFactory<IT1> probeSideComparatorFactory = config.getDriverComparator(0, classLoader); 
	
	this.probeSideComparator = probeSideComparatorFactory.createComparator();
	
	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
		probeSideRecord = probeSideSerializer.createInstance();
	}
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator12(this.probeSideComparator, solutionSetComparator);
}
 
Example 6
@Override
@SuppressWarnings("unchecked")
public void initialize() {
	
	final TypeComparator<IT1> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		
		Object table = SolutionSetBroker.instance().get(identifier);
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT1>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT1>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	} else {
		throw new RuntimeException("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeComparatorFactory<IT2> probeSideComparatorFactory = config.getDriverComparator(0, classLoader);
	
	this.probeSideSerializer = taskContext.<IT2>getInputSerializer(0).getSerializer();
	this.probeSideComparator = probeSideComparatorFactory.createComparator();
	
	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
	}
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator21(solutionSetComparator, this.probeSideComparator);
}
 
Example 7
@Override
@SuppressWarnings("unchecked")
public void initialize() {
	
	final TypeSerializer<IT1> solutionSetSerializer;
	final TypeComparator<IT1> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		
		Object table = SolutionSetBroker.instance().get(identifier);
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT1>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT1>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	} else {
		throw new RuntimeException("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeSerializer<IT2> probeSideSerializer = taskContext.<IT2>getInputSerializer(0).getSerializer();
	
	TypeComparatorFactory<IT2> probeSideComparatorFactory = config.getDriverComparator(0, classLoader);
	this.probeSideComparator = probeSideComparatorFactory.createComparator();

	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
		probeSideRecord = probeSideSerializer.createInstance();
	}

	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator21(solutionSetComparator, this.probeSideComparator);
}
 
Example 8
Source Project: flink   Source File: CoGroupWithSolutionSetSecondDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() throws Exception {
	
	final TypeComparator<IT2> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		Object table = SolutionSetBroker.instance().get(identifier);
		
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT2>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT2>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	}
	else {
		throw new Exception("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeComparatorFactory<IT1> probeSideComparatorFactory = config.getDriverComparator(0, classLoader); 
	
	this.probeSideSerializer = taskContext.<IT1>getInputSerializer(0).getSerializer();
	this.probeSideComparator = probeSideComparatorFactory.createComparator();

	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
	};
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator12(this.probeSideComparator, solutionSetComparator);
}
 
Example 9
Source Project: flink   Source File: JoinWithSolutionSetSecondDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() throws Exception {
	
	final TypeSerializer<IT2> solutionSetSerializer;
	final TypeComparator<IT2> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		Object table = SolutionSetBroker.instance().get(identifier);
		
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT2>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT2>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	}
	else {
		throw new Exception("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeSerializer<IT1> probeSideSerializer = taskContext.<IT1>getInputSerializer(0).getSerializer();
	
	TypeComparatorFactory<IT1> probeSideComparatorFactory = config.getDriverComparator(0, classLoader); 
	
	this.probeSideComparator = probeSideComparatorFactory.createComparator();
	
	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
		probeSideRecord = probeSideSerializer.createInstance();
	}
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator12(this.probeSideComparator, solutionSetComparator);
}
 
Example 10
Source Project: flink   Source File: CoGroupWithSolutionSetFirstDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() {
	
	final TypeComparator<IT1> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		
		Object table = SolutionSetBroker.instance().get(identifier);
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT1>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT1>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	} else {
		throw new RuntimeException("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeComparatorFactory<IT2> probeSideComparatorFactory = config.getDriverComparator(0, classLoader);
	
	this.probeSideSerializer = taskContext.<IT2>getInputSerializer(0).getSerializer();
	this.probeSideComparator = probeSideComparatorFactory.createComparator();
	
	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
	}
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator21(solutionSetComparator, this.probeSideComparator);
}
 
Example 11
Source Project: flink   Source File: JoinWithSolutionSetFirstDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() {
	
	final TypeSerializer<IT1> solutionSetSerializer;
	final TypeComparator<IT1> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		
		Object table = SolutionSetBroker.instance().get(identifier);
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT1>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT1>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	} else {
		throw new RuntimeException("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeSerializer<IT2> probeSideSerializer = taskContext.<IT2>getInputSerializer(0).getSerializer();
	
	TypeComparatorFactory<IT2> probeSideComparatorFactory = config.getDriverComparator(0, classLoader);
	this.probeSideComparator = probeSideComparatorFactory.createComparator();

	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
		probeSideRecord = probeSideSerializer.createInstance();
	}

	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator21(solutionSetComparator, this.probeSideComparator);
}
 
Example 12
Source Project: flink   Source File: CoGroupWithSolutionSetSecondDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() throws Exception {
	
	final TypeComparator<IT2> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		Object table = SolutionSetBroker.instance().get(identifier);
		
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT2>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT2>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	}
	else {
		throw new Exception("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeComparatorFactory<IT1> probeSideComparatorFactory = config.getDriverComparator(0, classLoader); 
	
	this.probeSideSerializer = taskContext.<IT1>getInputSerializer(0).getSerializer();
	this.probeSideComparator = probeSideComparatorFactory.createComparator();

	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
	};
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator12(this.probeSideComparator, solutionSetComparator);
}
 
Example 13
Source Project: flink   Source File: JoinWithSolutionSetSecondDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() throws Exception {
	
	final TypeSerializer<IT2> solutionSetSerializer;
	final TypeComparator<IT2> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		Object table = SolutionSetBroker.instance().get(identifier);
		
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT2>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT2>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	}
	else {
		throw new Exception("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeSerializer<IT1> probeSideSerializer = taskContext.<IT1>getInputSerializer(0).getSerializer();
	
	TypeComparatorFactory<IT1> probeSideComparatorFactory = config.getDriverComparator(0, classLoader); 
	
	this.probeSideComparator = probeSideComparatorFactory.createComparator();
	
	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
		probeSideRecord = probeSideSerializer.createInstance();
	}
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator12(this.probeSideComparator, solutionSetComparator);
}
 
Example 14
Source Project: flink   Source File: CoGroupWithSolutionSetFirstDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() {
	
	final TypeComparator<IT1> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		
		Object table = SolutionSetBroker.instance().get(identifier);
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT1>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT1>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	} else {
		throw new RuntimeException("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeComparatorFactory<IT2> probeSideComparatorFactory = config.getDriverComparator(0, classLoader);
	
	this.probeSideSerializer = taskContext.<IT2>getInputSerializer(0).getSerializer();
	this.probeSideComparator = probeSideComparatorFactory.createComparator();
	
	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
	}
	
	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator21(solutionSetComparator, this.probeSideComparator);
}
 
Example 15
Source Project: flink   Source File: JoinWithSolutionSetFirstDriver.java    License: Apache License 2.0 4 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public void initialize() {
	
	final TypeSerializer<IT1> solutionSetSerializer;
	final TypeComparator<IT1> solutionSetComparator;
	
	// grab a handle to the hash table from the iteration broker
	if (taskContext instanceof AbstractIterativeTask) {
		AbstractIterativeTask<?, ?> iterativeTaskContext = (AbstractIterativeTask<?, ?>) taskContext;
		String identifier = iterativeTaskContext.brokerKey();
		
		Object table = SolutionSetBroker.instance().get(identifier);
		if (table instanceof CompactingHashTable) {
			this.hashTable = (CompactingHashTable<IT1>) table;
			solutionSetSerializer = this.hashTable.getBuildSideSerializer();
			solutionSetComparator = this.hashTable.getBuildSideComparator().duplicate();
		}
		else if (table instanceof JoinHashMap) {
			this.objectMap = (JoinHashMap<IT1>) table;
			solutionSetSerializer = this.objectMap.getBuildSerializer();
			solutionSetComparator = this.objectMap.getBuildComparator().duplicate();
		}
		else {
			throw new RuntimeException("Unrecognized solution set index: " + table);
		}
	} else {
		throw new RuntimeException("The task context of this driver is no iterative task context.");
	}
	
	TaskConfig config = taskContext.getTaskConfig();
	ClassLoader classLoader = taskContext.getUserCodeClassLoader();
	
	TypeSerializer<IT2> probeSideSerializer = taskContext.<IT2>getInputSerializer(0).getSerializer();
	
	TypeComparatorFactory<IT2> probeSideComparatorFactory = config.getDriverComparator(0, classLoader);
	this.probeSideComparator = probeSideComparatorFactory.createComparator();

	ExecutionConfig executionConfig = taskContext.getExecutionConfig();
	objectReuseEnabled = executionConfig.isObjectReuseEnabled();

	if (objectReuseEnabled) {
		solutionSideRecord = solutionSetSerializer.createInstance();
		probeSideRecord = probeSideSerializer.createInstance();
	}

	TypePairComparatorFactory<IT1, IT2> factory = taskContext.getTaskConfig().getPairComparatorFactory(taskContext.getUserCodeClassLoader());
	pairComparator = factory.createComparator21(solutionSetComparator, this.probeSideComparator);
}