Package org.apache.druid.java.util.common.guava

Class YieldingSequenceBase<T>

java.lang.Object

org.apache.druid.java.util.common.guava.YieldingSequenceBase<T>

All Implemented Interfaces:

Sequence<T>

Direct Known Subclasses:

ExplodingSequence, MergeSequence, ParallelMergeCombiningSequence, ScanQueryOffsetSequence, SkippingSequence

public abstract class YieldingSequenceBase<T>
extends Object
implements Sequence<T>

A Sequence that is based entirely on the Yielder implementation.

This is a base class to simplify the creation of Sequences.

Constructor Summary

Constructors

Constructor	Description
YieldingSequenceBase()

Method Summary

Modifier and Type	Method	Description
<OutType> OutType	accumulate(OutType initValue, Accumulator<OutType,T> accumulator)	Accumulate this sequence using the given accumulator.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.java.util.common.guava.Sequence

filter, flatMap, flatMerge, forEach, limit, map, skip, toList, toYielder, withBaggage, withEffect

Constructor Detail

YieldingSequenceBase

public YieldingSequenceBase()

Method Detail

accumulate

public <OutType> OutType accumulate(OutType initValue,
                                    Accumulator<OutType,T> accumulator)

Description copied from interface: Sequence

Accumulate this sequence using the given accumulator.

Specified by:

accumulate in interface Sequence<T>

Type Parameters:

OutType - the type of accumulated value.

Parameters:

initValue - the initial value to pass along to start the accumulation.

accumulator - the accumulator which is responsible for accumulating input values.

Returns:

accumulated value.