org.apache.accumulo.core.iterators
Class IteratorUtil

java.lang.Object
  org.apache.accumulo.core.iterators.IteratorUtil

public class IteratorUtil
extends java.lang.Object

Nested Class Summary

static class	IteratorUtil.IteratorScope
static class	IteratorUtil.IterInfoComparator

Constructor Summary

IteratorUtil()

Method Summary

static java.lang.String	findIterator(IteratorUtil.IteratorScope scope, java.lang.String className, AccumuloConfiguration conf, java.util.Map<java.lang.String,java.lang.String> opts)
static java.util.Map<java.lang.String,java.lang.String>	generateInitialTableProperties(java.util.List<AggregatorConfiguration> aggregators)
static int	getMaxPriority(IteratorUtil.IteratorScope scope, AccumuloConfiguration conf)
static <K extends org.apache.hadoop.io.WritableComparable<?>,V extends org.apache.hadoop.io.Writable> SortedKeyValueIterator<K,V>	loadIterators(IteratorUtil.IteratorScope scope, SortedKeyValueIterator<K,V> source, KeyExtent extent, AccumuloConfiguration conf, IteratorEnvironment env)
static <K extends org.apache.hadoop.io.WritableComparable<?>,V extends org.apache.hadoop.io.Writable> SortedKeyValueIterator<K,V>	loadIterators(IteratorUtil.IteratorScope scope, SortedKeyValueIterator<K,V> source, KeyExtent extent, AccumuloConfiguration conf, java.util.List<IterInfo> ssiList, java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.String>> ssio, IteratorEnvironment env)
static Range	maximizeStartKeyTimeStamp(Range range)

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratorUtil

public IteratorUtil()

Method Detail

generateInitialTableProperties

public static java.util.Map<java.lang.String,java.lang.String> generateInitialTableProperties(java.util.List<AggregatorConfiguration> aggregators)

getMaxPriority

public static int getMaxPriority(IteratorUtil.IteratorScope scope,
                                 AccumuloConfiguration conf)

findIterator

public static java.lang.String findIterator(IteratorUtil.IteratorScope scope,
                                            java.lang.String className,
                                            AccumuloConfiguration conf,
                                            java.util.Map<java.lang.String,java.lang.String> opts)

loadIterators

public static <K extends org.apache.hadoop.io.WritableComparable<?>,V extends org.apache.hadoop.io.Writable> SortedKeyValueIterator<K,V> loadIterators(IteratorUtil.IteratorScope scope,
                                                                                                                                                       SortedKeyValueIterator<K,V> source,
                                                                                                                                                       KeyExtent extent,
                                                                                                                                                       AccumuloConfiguration conf,
                                                                                                                                                       IteratorEnvironment env)
                                                                                                                                          throws java.io.IOException

Throws:

java.io.IOException

loadIterators

public static <K extends org.apache.hadoop.io.WritableComparable<?>,V extends org.apache.hadoop.io.Writable> SortedKeyValueIterator<K,V> loadIterators(IteratorUtil.IteratorScope scope,
                                                                                                                                                       SortedKeyValueIterator<K,V> source,
                                                                                                                                                       KeyExtent extent,
                                                                                                                                                       AccumuloConfiguration conf,
                                                                                                                                                       java.util.List<IterInfo> ssiList,
                                                                                                                                                       java.util.Map<java.lang.String,java.util.Map<java.lang.String,java.lang.String>> ssio,
                                                                                                                                                       IteratorEnvironment env)
                                                                                                                                          throws java.io.IOException

Throws:

java.io.IOException

maximizeStartKeyTimeStamp

public static Range maximizeStartKeyTimeStamp(Range range)