org.apache.pig.data
Class InternalMap

java.lang.Object
  extended by java.util.AbstractMap<K,V>
      extended by java.util.HashMap<Object,Object>
          extended by org.apache.pig.data.InternalMap
All Implemented Interfaces:
Serializable, Cloneable, Map<Object,Object>

public class InternalMap
extends HashMap<Object,Object>

This class is an empty extension of Map. It only exists so that DataType.findType() can distinguish an internal map type that maps object to object from an external map type that is string to object.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class java.util.AbstractMap
AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>
 
Constructor Summary
InternalMap()
           
InternalMap(int size)
           
 
Method Summary
 
Methods inherited from class java.util.HashMap
clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, putAll, remove, size, values
 
Methods inherited from class java.util.AbstractMap
equals, hashCode, toString
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.util.Map
equals, hashCode
 

Constructor Detail

InternalMap

public InternalMap()

InternalMap

public InternalMap(int size)


Copyright © 2007-2012 The Apache Software Foundation