Package org.apache.druid.segment
Class SimpleDictionaryMergingIterator<T extends Comparable<T>>
java.lang.Object
org.apache.druid.segment.SimpleDictionaryMergingIterator<T>
- All Implemented Interfaces:
Closeable,AutoCloseable,Iterator<T>,CloseableIterator<T>
public class SimpleDictionaryMergingIterator<T extends Comparable<T>>
extends Object
implements CloseableIterator<T>
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected intprotected final PriorityQueue<com.google.common.collect.PeekingIterator<T>> -
Constructor Summary
ConstructorsConstructorDescriptionSimpleDictionaryMergingIterator(Indexed<T>[] dimValueLookups, Comparator<com.google.common.collect.PeekingIterator<T>> comparator) -
Method Summary
Modifier and TypeMethodDescriptionvoidclose()intbooleanhasNext()static <T extends Comparable<T>>
Comparator<com.google.common.collect.PeekingIterator<T>>next()Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.druid.java.util.common.parsers.CloseableIterator
flatMap, mapMethods inherited from interface java.util.Iterator
forEachRemaining, remove
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Field Details
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pQueue
protected final PriorityQueue<com.google.common.collect.PeekingIterator<T extends Comparable<T>>> pQueue -
counter
protected int counter
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Constructor Details
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SimpleDictionaryMergingIterator
public SimpleDictionaryMergingIterator(Indexed<T>[] dimValueLookups, Comparator<com.google.common.collect.PeekingIterator<T>> comparator)
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Method Details
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makePeekingComparator
public static <T extends Comparable<T>> Comparator<com.google.common.collect.PeekingIterator<T>> makePeekingComparator() -
hasNext
public boolean hasNext()- Specified by:
hasNextin interfaceIterator<T extends Comparable<T>>
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next
- Specified by:
nextin interfaceIterator<T extends Comparable<T>>
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getCardinality
public int getCardinality() -
close
public void close()- Specified by:
closein interfaceAutoCloseable- Specified by:
closein interfaceCloseable
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