Java Code Examples for org.apache.flink.api.common.operators.Ordering#getNumberOfFields()

The following examples show how to use org.apache.flink.api.common.operators.Ordering#getNumberOfFields() . 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: CoGroupRawNode.java    From flink with Apache License 2.0 6 votes vote down vote up
private List<OperatorDescriptorDual> initializeDataProperties() {
	Ordering groupOrder1 = null;
	Ordering groupOrder2 = null;

	CoGroupRawOperatorBase<?, ?, ?, ?> cgc = getOperator();
	groupOrder1 = cgc.getGroupOrderForInputOne();
	groupOrder2 = cgc.getGroupOrderForInputTwo();

	if (groupOrder1 != null && groupOrder1.getNumberOfFields() == 0) {
		groupOrder1 = null;
	}
	if (groupOrder2 != null && groupOrder2.getNumberOfFields() == 0) {
		groupOrder2 = null;
	}

	return Collections.<OperatorDescriptorDual>singletonList(new CoGroupRawDescriptor(this.keys1, this.keys2, groupOrder1, groupOrder2));
}
 
Example 2
Source File: GroupReduceProperties.java    From flink with Apache License 2.0 6 votes vote down vote up
public GroupReduceProperties(FieldSet groupKeys, Ordering additionalOrderKeys, Partitioner<?> customPartitioner) {
	super(groupKeys);
	
	// if we have an additional ordering, construct the ordering to have primarily the grouping fields
	if (additionalOrderKeys != null) {
		this.ordering = new Ordering();
		for (Integer key : this.keyList) {
			this.ordering.appendOrdering(key, null, Order.ANY);
		}
	
		// and next the additional order fields
		for (int i = 0; i < additionalOrderKeys.getNumberOfFields(); i++) {
			Integer field = additionalOrderKeys.getFieldNumber(i);
			Order order = additionalOrderKeys.getOrder(i);
			this.ordering.appendOrdering(field, additionalOrderKeys.getType(i), order);
		}
	}
	else {
		this.ordering = null;
	}
	
	this.customPartitioner = customPartitioner;
}
 
Example 3
Source File: GroupReduceWithCombineProperties.java    From flink with Apache License 2.0 6 votes vote down vote up
public GroupReduceWithCombineProperties(FieldSet groupKeys, Ordering additionalOrderKeys, Partitioner<?> customPartitioner) {
	super(groupKeys);
	
	// if we have an additional ordering, construct the ordering to have primarily the grouping fields
	if (additionalOrderKeys != null) {
		this.ordering = new Ordering();
		for (Integer key : this.keyList) {
			this.ordering.appendOrdering(key, null, Order.ANY);
		}
	
		// and next the additional order fields
		for (int i = 0; i < additionalOrderKeys.getNumberOfFields(); i++) {
			Integer field = additionalOrderKeys.getFieldNumber(i);
			Order order = additionalOrderKeys.getOrder(i);
			this.ordering.appendOrdering(field, additionalOrderKeys.getType(i), order);
		}
	} else {
		this.ordering = null;
	}
	
	this.customPartitioner = customPartitioner;
}
 
Example 4
Source File: CoGroupNode.java    From flink with Apache License 2.0 6 votes vote down vote up
private List<OperatorDescriptorDual> initializeDataProperties(Partitioner<?> customPartitioner) {
	Ordering groupOrder1 = null;
	Ordering groupOrder2 = null;
	
	CoGroupOperatorBase<?, ?, ?, ?> cgc = getOperator();
	groupOrder1 = cgc.getGroupOrderForInputOne();
	groupOrder2 = cgc.getGroupOrderForInputTwo();
		
	if (groupOrder1 != null && groupOrder1.getNumberOfFields() == 0) {
		groupOrder1 = null;
	}
	if (groupOrder2 != null && groupOrder2.getNumberOfFields() == 0) {
		groupOrder2 = null;
	}
	
	CoGroupDescriptor descr = new CoGroupDescriptor(this.keys1, this.keys2, groupOrder1, groupOrder2);
	if (customPartitioner != null) {
		descr.setCustomPartitioner(customPartitioner);
	}
	
	return Collections.<OperatorDescriptorDual>singletonList(descr);
}
 
Example 5
Source File: GroupCombineProperties.java    From flink with Apache License 2.0 6 votes vote down vote up
public GroupCombineProperties(FieldSet groupKeys, Ordering additionalOrderKeys) {
	super(groupKeys);

	// if we have an additional ordering, construct the ordering to have primarily the grouping fields
	
	this.ordering = new Ordering();
	for (Integer key : this.keyList) {
		this.ordering.appendOrdering(key, null, Order.ANY);
	}

	// and next the additional order fields
	if (additionalOrderKeys != null) {
		for (int i = 0; i < additionalOrderKeys.getNumberOfFields(); i++) {
			Integer field = additionalOrderKeys.getFieldNumber(i);
			Order order = additionalOrderKeys.getOrder(i);
			this.ordering.appendOrdering(field, additionalOrderKeys.getType(i), order);
		}
	}

}
 
Example 6
Source File: CoGroupRawDescriptor.java    From flink with Apache License 2.0 6 votes vote down vote up
@Override
public boolean areCoFulfilled(RequestedLocalProperties requested1, RequestedLocalProperties requested2,
		LocalProperties produced1, LocalProperties produced2) {
	int numRelevantFields = this.keys1.size();

	Ordering prod1 = produced1.getOrdering();
	Ordering prod2 = produced2.getOrdering();

	if (prod1 == null || prod2 == null || prod1.getNumberOfFields() < numRelevantFields
			|| prod2.getNumberOfFields() < numRelevantFields) {
		throw new CompilerException("The given properties do not meet this operators requirements.");
	}

	for (int i = 0; i < numRelevantFields; i++) {
		if (prod1.getOrder(i) != prod2.getOrder(i)) {
			return false;
		}
	}
	return true;
}
 
Example 7
Source File: GroupReduceWithCombineProperties.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up
public GroupReduceWithCombineProperties(FieldSet groupKeys, Ordering additionalOrderKeys, Partitioner<?> customPartitioner) {
	super(groupKeys);
	
	// if we have an additional ordering, construct the ordering to have primarily the grouping fields
	if (additionalOrderKeys != null) {
		this.ordering = new Ordering();
		for (Integer key : this.keyList) {
			this.ordering.appendOrdering(key, null, Order.ANY);
		}
	
		// and next the additional order fields
		for (int i = 0; i < additionalOrderKeys.getNumberOfFields(); i++) {
			Integer field = additionalOrderKeys.getFieldNumber(i);
			Order order = additionalOrderKeys.getOrder(i);
			this.ordering.appendOrdering(field, additionalOrderKeys.getType(i), order);
		}
	} else {
		this.ordering = null;
	}
	
	this.customPartitioner = customPartitioner;
}
 
Example 8
Source File: GroupReduceWithCombineProperties.java    From flink with Apache License 2.0 6 votes vote down vote up
public GroupReduceWithCombineProperties(FieldSet groupKeys, Ordering additionalOrderKeys, Partitioner<?> customPartitioner) {
	super(groupKeys);
	
	// if we have an additional ordering, construct the ordering to have primarily the grouping fields
	if (additionalOrderKeys != null) {
		this.ordering = new Ordering();
		for (Integer key : this.keyList) {
			this.ordering.appendOrdering(key, null, Order.ANY);
		}
	
		// and next the additional order fields
		for (int i = 0; i < additionalOrderKeys.getNumberOfFields(); i++) {
			Integer field = additionalOrderKeys.getFieldNumber(i);
			Order order = additionalOrderKeys.getOrder(i);
			this.ordering.appendOrdering(field, additionalOrderKeys.getType(i), order);
		}
	} else {
		this.ordering = null;
	}
	
	this.customPartitioner = customPartitioner;
}
 
Example 9
Source File: CoGroupNode.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up
private List<OperatorDescriptorDual> initializeDataProperties(Partitioner<?> customPartitioner) {
	Ordering groupOrder1 = null;
	Ordering groupOrder2 = null;
	
	CoGroupOperatorBase<?, ?, ?, ?> cgc = getOperator();
	groupOrder1 = cgc.getGroupOrderForInputOne();
	groupOrder2 = cgc.getGroupOrderForInputTwo();
		
	if (groupOrder1 != null && groupOrder1.getNumberOfFields() == 0) {
		groupOrder1 = null;
	}
	if (groupOrder2 != null && groupOrder2.getNumberOfFields() == 0) {
		groupOrder2 = null;
	}
	
	CoGroupDescriptor descr = new CoGroupDescriptor(this.keys1, this.keys2, groupOrder1, groupOrder2);
	if (customPartitioner != null) {
		descr.setCustomPartitioner(customPartitioner);
	}
	
	return Collections.<OperatorDescriptorDual>singletonList(descr);
}
 
Example 10
Source File: CoGroupNode.java    From flink with Apache License 2.0 6 votes vote down vote up
private List<OperatorDescriptorDual> initializeDataProperties(Partitioner<?> customPartitioner) {
	Ordering groupOrder1 = null;
	Ordering groupOrder2 = null;
	
	CoGroupOperatorBase<?, ?, ?, ?> cgc = getOperator();
	groupOrder1 = cgc.getGroupOrderForInputOne();
	groupOrder2 = cgc.getGroupOrderForInputTwo();
		
	if (groupOrder1 != null && groupOrder1.getNumberOfFields() == 0) {
		groupOrder1 = null;
	}
	if (groupOrder2 != null && groupOrder2.getNumberOfFields() == 0) {
		groupOrder2 = null;
	}
	
	CoGroupDescriptor descr = new CoGroupDescriptor(this.keys1, this.keys2, groupOrder1, groupOrder2);
	if (customPartitioner != null) {
		descr.setCustomPartitioner(customPartitioner);
	}
	
	return Collections.<OperatorDescriptorDual>singletonList(descr);
}
 
Example 11
Source File: CoGroupRawNode.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up
private List<OperatorDescriptorDual> initializeDataProperties() {
	Ordering groupOrder1 = null;
	Ordering groupOrder2 = null;

	CoGroupRawOperatorBase<?, ?, ?, ?> cgc = getOperator();
	groupOrder1 = cgc.getGroupOrderForInputOne();
	groupOrder2 = cgc.getGroupOrderForInputTwo();

	if (groupOrder1 != null && groupOrder1.getNumberOfFields() == 0) {
		groupOrder1 = null;
	}
	if (groupOrder2 != null && groupOrder2.getNumberOfFields() == 0) {
		groupOrder2 = null;
	}

	return Collections.<OperatorDescriptorDual>singletonList(new CoGroupRawDescriptor(this.keys1, this.keys2, groupOrder1, groupOrder2));
}
 
Example 12
Source File: CoGroupRawDescriptor.java    From flink with Apache License 2.0 6 votes vote down vote up
@Override
public boolean areCoFulfilled(RequestedLocalProperties requested1, RequestedLocalProperties requested2,
		LocalProperties produced1, LocalProperties produced2) {
	int numRelevantFields = this.keys1.size();

	Ordering prod1 = produced1.getOrdering();
	Ordering prod2 = produced2.getOrdering();

	if (prod1 == null || prod2 == null || prod1.getNumberOfFields() < numRelevantFields
			|| prod2.getNumberOfFields() < numRelevantFields) {
		throw new CompilerException("The given properties do not meet this operators requirements.");
	}

	for (int i = 0; i < numRelevantFields; i++) {
		if (prod1.getOrder(i) != prod2.getOrder(i)) {
			return false;
		}
	}
	return true;
}
 
Example 13
Source File: CoGroupRawDescriptor.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up
@Override
public boolean areCoFulfilled(RequestedLocalProperties requested1, RequestedLocalProperties requested2,
		LocalProperties produced1, LocalProperties produced2) {
	int numRelevantFields = this.keys1.size();

	Ordering prod1 = produced1.getOrdering();
	Ordering prod2 = produced2.getOrdering();

	if (prod1 == null || prod2 == null || prod1.getNumberOfFields() < numRelevantFields
			|| prod2.getNumberOfFields() < numRelevantFields) {
		throw new CompilerException("The given properties do not meet this operators requirements.");
	}

	for (int i = 0; i < numRelevantFields; i++) {
		if (prod1.getOrder(i) != prod2.getOrder(i)) {
			return false;
		}
	}
	return true;
}
 
Example 14
Source File: GroupReduceProperties.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up
public GroupReduceProperties(FieldSet groupKeys, Ordering additionalOrderKeys, Partitioner<?> customPartitioner) {
	super(groupKeys);
	
	// if we have an additional ordering, construct the ordering to have primarily the grouping fields
	if (additionalOrderKeys != null) {
		this.ordering = new Ordering();
		for (Integer key : this.keyList) {
			this.ordering.appendOrdering(key, null, Order.ANY);
		}
	
		// and next the additional order fields
		for (int i = 0; i < additionalOrderKeys.getNumberOfFields(); i++) {
			Integer field = additionalOrderKeys.getFieldNumber(i);
			Order order = additionalOrderKeys.getOrder(i);
			this.ordering.appendOrdering(field, additionalOrderKeys.getType(i), order);
		}
	}
	else {
		this.ordering = null;
	}
	
	this.customPartitioner = customPartitioner;
}
 
Example 15
Source File: GroupCombineNode.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up
private List<OperatorDescriptorSingle> initPossibleProperties() {

		// check if we can work with a grouping (simple reducer), or if we need ordering because of a group order
		Ordering groupOrder = getOperator().getGroupOrder();
		if (groupOrder != null && groupOrder.getNumberOfFields() == 0) {
			groupOrder = null;
		}

		OperatorDescriptorSingle props = (this.keys == null ?
				new AllGroupCombineProperties() :
				new GroupCombineProperties(this.keys, groupOrder));

		return Collections.singletonList(props);
	}
 
Example 16
Source File: GlobalProperties.java    From flink with Apache License 2.0 5 votes vote down vote up
public boolean matchesOrderedPartitioning(Ordering o) {
	if (this.partitioning == PartitioningProperty.RANGE_PARTITIONED) {
		if (this.ordering.getNumberOfFields() > o.getNumberOfFields()) {
			return false;
		}
		
		for (int i = 0; i < this.ordering.getNumberOfFields(); i++) {
			if (!this.ordering.getFieldNumber(i).equals(o.getFieldNumber(i))) {
				return false;
			}
			
			// if this one request no order, everything is good
			final Order oo = o.getOrder(i);
			final Order to = this.ordering.getOrder(i);
			if (oo != Order.NONE) {
				if (oo == Order.ANY) {
					// if any order is requested, any not NONE order is good
					if (to == Order.NONE) {
						return false;
					}
				} else if (oo != to) {
					// the orders must be equal
					return false;
				}
			}
		}
		return true;
	} else {
		return false;
	}
}
 
Example 17
Source File: GlobalProperties.java    From flink with Apache License 2.0 5 votes vote down vote up
public boolean matchesOrderedPartitioning(Ordering o) {
	if (this.partitioning == PartitioningProperty.RANGE_PARTITIONED) {
		if (this.ordering.getNumberOfFields() > o.getNumberOfFields()) {
			return false;
		}
		
		for (int i = 0; i < this.ordering.getNumberOfFields(); i++) {
			if (!this.ordering.getFieldNumber(i).equals(o.getFieldNumber(i))) {
				return false;
			}
			
			// if this one request no order, everything is good
			final Order oo = o.getOrder(i);
			final Order to = this.ordering.getOrder(i);
			if (oo != Order.NONE) {
				if (oo == Order.ANY) {
					// if any order is requested, any not NONE order is good
					if (to == Order.NONE) {
						return false;
					}
				} else if (oo != to) {
					// the orders must be equal
					return false;
				}
			}
		}
		return true;
	} else {
		return false;
	}
}
 
Example 18
Source File: GroupCombineNode.java    From flink with Apache License 2.0 5 votes vote down vote up
private List<OperatorDescriptorSingle> initPossibleProperties() {

		// check if we can work with a grouping (simple reducer), or if we need ordering because of a group order
		Ordering groupOrder = getOperator().getGroupOrder();
		if (groupOrder != null && groupOrder.getNumberOfFields() == 0) {
			groupOrder = null;
		}

		OperatorDescriptorSingle props = (this.keys == null ?
				new AllGroupCombineProperties() :
				new GroupCombineProperties(this.keys, groupOrder));

		return Collections.singletonList(props);
	}
 
Example 19
Source File: GroupReduceNode.java    From flink with Apache License 2.0 5 votes vote down vote up
private List<OperatorDescriptorSingle> initPossibleProperties(Partitioner<?> customPartitioner) {
	// see if an internal hint dictates the strategy to use
	final Configuration conf = getOperator().getParameters();
	final String localStrategy = conf.getString(Optimizer.HINT_LOCAL_STRATEGY, null);

	final boolean useCombiner;
	if (localStrategy != null) {
		if (Optimizer.HINT_LOCAL_STRATEGY_SORT.equals(localStrategy)) {
			useCombiner = false;
		}
		else if (Optimizer.HINT_LOCAL_STRATEGY_COMBINING_SORT.equals(localStrategy)) {
			if (!isCombineable()) {
				Optimizer.LOG.warn("Strategy hint for GroupReduce '" + getOperator().getName() +
					"' requires combinable reduce, but user function is not marked combinable.");
			}
			useCombiner = true;
		} else {
			throw new CompilerException("Invalid local strategy hint for match contract: " + localStrategy);
		}
	} else {
		useCombiner = isCombineable();
	}
	
	// check if we can work with a grouping (simple reducer), or if we need ordering because of a group order
	Ordering groupOrder = null;
	if (getOperator() != null) {
		groupOrder = getOperator().getGroupOrder();
		if (groupOrder != null && groupOrder.getNumberOfFields() == 0) {
			groupOrder = null;
		}
	}
	
	OperatorDescriptorSingle props = useCombiner ?
		(this.keys == null ? new AllGroupWithPartialPreGroupProperties() : new GroupReduceWithCombineProperties(this.keys, groupOrder, customPartitioner)) :
		(this.keys == null ? new AllGroupReduceProperties() : new GroupReduceProperties(this.keys, groupOrder, customPartitioner));

	return Collections.singletonList(props);
}
 
Example 20
Source File: GroupCombineNode.java    From flink with Apache License 2.0 5 votes vote down vote up
private List<OperatorDescriptorSingle> initPossibleProperties() {

		// check if we can work with a grouping (simple reducer), or if we need ordering because of a group order
		Ordering groupOrder = getOperator().getGroupOrder();
		if (groupOrder != null && groupOrder.getNumberOfFields() == 0) {
			groupOrder = null;
		}

		OperatorDescriptorSingle props = (this.keys == null ?
				new AllGroupCombineProperties() :
				new GroupCombineProperties(this.keys, groupOrder));

		return Collections.singletonList(props);
	}