cascading.nested.core.aggregate

Class SumLongNestedAggregate<Node>

java.lang.Object

cascading.nested.core.aggregate.BaseNumberNestedAggregate<Node,java.lang.Long,BaseNumberNestedAggregate.BaseContext<java.lang.Long,Node>>

cascading.nested.core.aggregate.SumLongNestedAggregate<Node>

All Implemented Interfaces:

NestedAggregate<Node,BaseNumberNestedAggregate.BaseContext<java.lang.Long,Node>>, java.io.Serializable

public class SumLongNestedAggregate<Node>
extends BaseNumberNestedAggregate<Node,java.lang.Long,BaseNumberNestedAggregate.BaseContext<java.lang.Long,Node>>

Class SumLongNestedAggregate is a NestedAggregate implementation for summing long values collected from the parent container object.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SumLongNestedAggregate.Context<Node>

Nested classes/interfaces inherited from class cascading.nested.core.aggregate.BaseNumberNestedAggregate

BaseNumberNestedAggregate.BaseContext<Type,Node>

Field Summary

Fields inherited from class cascading.nested.core.aggregate.BaseNumberNestedAggregate

aggregateType, fieldDeclaration

Constructor Summary

Constructors

Constructor and Description
SumLongNestedAggregate(cascading.tuple.Fields declaredFields)

Method Summary

Modifier and Type	Method and Description
SumLongNestedAggregate.Context<Node>	createContext(cascading.tuple.type.CoercibleType<Node> nestedCoercibleType)

Methods inherited from class cascading.nested.core.aggregate.BaseNumberNestedAggregate

aggregate, complete, discardNullValues, getFieldDeclaration, resetContext, returnNullForEmpty

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SumLongNestedAggregate

@ConstructorProperties(value="declaredFields")
public SumLongNestedAggregate(cascading.tuple.Fields declaredFields)

Method Detail

createContext

public SumLongNestedAggregate.Context<Node> createContext(cascading.tuple.type.CoercibleType<Node> nestedCoercibleType)

Returns:

a new function specific context object