Copyright © 2011 Citra Technologies. All Rights Reserved.

com.citra.pivot.olap.tuple
Class UnionTupleSelection

java.lang.Object
  extended by com.citra.pivot.olap.tuple.AbstractTupleSelection
      extended by com.citra.pivot.olap.tuple.UnionTupleSelection
All Implemented Interfaces:
OlapSelection, TupleSelection

public final class UnionTupleSelection
extends AbstractTupleSelection

UnionTupleSelection defines a union of tuples.


Field Summary
protected  TupleSelectionList tuples
          a list of TupleSelections
 
Constructor Summary
protected UnionTupleSelection()
          Constructs a UnionTupleSelection.
  UnionTupleSelection(List tupleSelections)
          Constructs a UnionTupleSelection.
  UnionTupleSelection(TupleSelection tuple1, TupleSelection tuple2)
          Constructs a UnionTupleSelection.
 
Method Summary
 void addTuple(OlapTuple tuple)
          Adds a tuple to the union.
 void addTuple(TupleSelection tuple)
          Adds a tuple to the union.
 boolean equals(Object o)
          Indicates whether some other object is "equal to" this one.
 TupleSelectionList getTuples()
          Returns a list of all tuples to be unioned.
 
Methods inherited from class com.citra.pivot.olap.tuple.AbstractTupleSelection
resolveSelection, resolveTuple
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

tuples

protected TupleSelectionList tuples
a list of TupleSelections

Constructor Detail

UnionTupleSelection

protected UnionTupleSelection()
Constructs a UnionTupleSelection.


UnionTupleSelection

public UnionTupleSelection(TupleSelection tuple1,
                           TupleSelection tuple2)
Constructs a UnionTupleSelection.


UnionTupleSelection

public UnionTupleSelection(List tupleSelections)
Constructs a UnionTupleSelection.

Method Detail

addTuple

public void addTuple(OlapTuple tuple)
Adds a tuple to the union.

Parameters:
tuple - the tuple to add

addTuple

public void addTuple(TupleSelection tuple)
Adds a tuple to the union.

Parameters:
tuple - the tuple to add as a Selection

equals

public boolean equals(Object o)
Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

The equals method for class Object implements the most discriminating possible equivalence relation on objects; that is, for any non-null reference values x and y, this method returns true if and only if x and y refer to the same object (x == y has the value true).

Note that it is generally necessary to override the hashCode method whenever this method is overridden, so as to maintain the general contract for the hashCode method, which states that equal objects must have equal hash codes.

Overrides:
equals in class Object
Parameters:
o - the reference object with which to compare.
Returns:
true if this object is the same as the obj argument; false otherwise.
See Also:
Object.hashCode(), Hashtable

getTuples

public TupleSelectionList getTuples()
Returns a list of all tuples to be unioned.

Returns:
the list of tuples joined together

Copyright © 2011 Citra Technologies. All Rights Reserved.