ariba.util.core
Class GrowOnlyGridTable

java.lang.Object
  ariba.util.core.GrowOnlyGridTable

public class GrowOnlyGridTable
extends Object

A two-dimensional GrowOnlyHashtable. That is, a collection of non-null objects indexed by 2 keys.

Field Summary

static String

ClassName

Constructor Summary

GrowOnlyGridTable()

Method Summary

Object	get(Object key1, Object key2) Return the element indexed by .
GrowOnlyGridTable	getReducedTable(List skippedPrimaryKeys) Return a new GrowOnlyGridTable with reduced content.
Set	primaryKeySet() Returns the set of keys in the primary table.
Object	put(Object key1, Object key2, Object element) Store the specified element indexed by .
List	secondaryElementsList(Object primaryKey) Returns unique objects in the gridtable as a list given a primary key.
Set	secondaryKeySet(Object primaryKey) Returns the set of keys in the secondary table corresponding to the primary key.

Methods inherited from class java.lang.Object

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

Field Detail

ClassName

public static final String ClassName

Constructor Detail

GrowOnlyGridTable

public GrowOnlyGridTable()

Method Detail

put

public Object put(Object key1,
                  Object key2,
                  Object element)

Store the specified element indexed by . Returns the old value or null if there was no old value.

get

public Object get(Object key1,
                  Object key2)

Return the element indexed by .

secondaryElementsList

public List secondaryElementsList(Object primaryKey)

Returns unique objects in the gridtable as a list given a primary key. If the primaryKey is null, throws NullPointerException.

primaryKeySet

public Set primaryKeySet()

Returns the set of keys in the primary table.

secondaryKeySet

public Set secondaryKeySet(Object primaryKey)

Returns the set of keys in the secondary table corresponding to the primary key. If the primaryKey is null, throws NullPointerException.

getReducedTable

public GrowOnlyGridTable getReducedTable(List skippedPrimaryKeys)

Return a new GrowOnlyGridTable with reduced content. The returned table will have the same content as the input table but will skip copying the keys in skippedPrimaryKeys