org.apache.hadoop.hive.ql.exec.persistence

Class AbstractMapJoinTableContainer

java.lang.Object

org.apache.hadoop.hive.ql.exec.persistence.AbstractMapJoinTableContainer

All Implemented Interfaces:

MemoryEstimate, MapJoinPersistableTableContainer, MapJoinTableContainer

Direct Known Subclasses:

HashMapWrapper

public abstract class AbstractMapJoinTableContainer
extends Object
implements MapJoinPersistableTableContainer

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hive.ql.exec.persistence.MapJoinTableContainer

MapJoinTableContainer.ReusableGetAdaptor

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	LOAD_NAME
protected static String	THESHOLD_NAME

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractMapJoinTableContainer(Map<String,String> metaData)

Method Summary

Modifier and Type	Method and Description
protected static Map<String,String>	createConstructorMetaData(int threshold, float loadFactor) Creates metadata for implementation classes' ctors from threshold and load factor.
Map<String,String>	getMetaData()
protected void	putMetaData(String key, String value)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.ql.exec.persistence.MapJoinPersistableTableContainer

entrySet, get, put, size

Methods inherited from interface org.apache.hadoop.hive.ql.exec.persistence.MapJoinTableContainer

clear, createGetter, dumpMetrics, getAnyKey, hasSpill, putRow, seal, setSerde

Methods inherited from interface org.apache.hadoop.hive.common.MemoryEstimate

getEstimatedMemorySize

Field Detail

THESHOLD_NAME

protected static final String THESHOLD_NAME

See Also:

Constant Field Values

LOAD_NAME

protected static final String LOAD_NAME

See Also:

Constant Field Values

Constructor Detail

AbstractMapJoinTableContainer

protected AbstractMapJoinTableContainer(Map<String,String> metaData)

Method Detail

createConstructorMetaData

protected static Map<String,String> createConstructorMetaData(int threshold,
                                                              float loadFactor)

Creates metadata for implementation classes' ctors from threshold and load factor.

getMetaData

public Map<String,String> getMetaData()

Specified by:

getMetaData in interface MapJoinPersistableTableContainer

putMetaData

protected void putMetaData(String key,
                           String value)