org.calrissian.accumlorecipes.changelog.iterator

Class BucketHashIterator

java.lang.Object

org.apache.accumulo.core.iterators.WrappingIterator

org.calrissian.accumlorecipes.changelog.iterator.BucketHashIterator

All Implemented Interfaces:

org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

public class BucketHashIterator
extends org.apache.accumulo.core.iterators.WrappingIterator

Field Summary

Fields

Modifier and Type	Field and Description
protected String	currentBucket
protected List<String>	hashes
protected org.apache.accumulo.core.data.Key	retKey
protected org.apache.accumulo.core.data.Value	val

Constructor Summary

Constructors

Constructor and Description
BucketHashIterator()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.accumulo.core.data.Key	getTopKey()
org.apache.accumulo.core.data.Value	getTopValue()
boolean	hasTop()
void	init(org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> source, Map<String,String> options, org.apache.accumulo.core.iterators.IteratorEnvironment env)
void	next()
void	primeVal()
void	seek(org.apache.accumulo.core.data.Range range, Collection<org.apache.accumulo.core.data.ByteSequence> columnFamilies, boolean inclusive)
static void	setBucketSize(org.apache.accumulo.core.client.IteratorSetting is, BucketSize bucketSize)

Methods inherited from class org.apache.accumulo.core.iterators.WrappingIterator

deepCopy, getSource, setSource

Methods inherited from class java.lang.Object

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

Field Detail

currentBucket

protected String currentBucket

hashes

protected List<String> hashes

retKey

protected org.apache.accumulo.core.data.Key retKey

val

protected org.apache.accumulo.core.data.Value val

Constructor Detail

BucketHashIterator

public BucketHashIterator()

Method Detail

setBucketSize

public static void setBucketSize(org.apache.accumulo.core.client.IteratorSetting is,
                 BucketSize bucketSize)

init

public void init(org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value> source,
        Map<String,String> options,
        org.apache.accumulo.core.iterators.IteratorEnvironment env)
          throws IOException

Specified by:

init in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

Overrides:

init in class org.apache.accumulo.core.iterators.WrappingIterator

Throws:

IOException

hasTop

public boolean hasTop()

Specified by:

hasTop in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

Overrides:

hasTop in class org.apache.accumulo.core.iterators.WrappingIterator

next

public void next()
          throws IOException

Specified by:

next in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

Overrides:

next in class org.apache.accumulo.core.iterators.WrappingIterator

Throws:

IOException

seek

public void seek(org.apache.accumulo.core.data.Range range,
        Collection<org.apache.accumulo.core.data.ByteSequence> columnFamilies,
        boolean inclusive)
          throws IOException

Specified by:

seek in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

Overrides:

seek in class org.apache.accumulo.core.iterators.WrappingIterator

Throws:

IOException

getTopKey

public org.apache.accumulo.core.data.Key getTopKey()

Specified by:

getTopKey in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

Overrides:

getTopKey in class org.apache.accumulo.core.iterators.WrappingIterator

getTopValue

public org.apache.accumulo.core.data.Value getTopValue()

Specified by:

getTopValue in interface org.apache.accumulo.core.iterators.SortedKeyValueIterator<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>

Overrides:

getTopValue in class org.apache.accumulo.core.iterators.WrappingIterator

primeVal

public void primeVal()