org.rhq.helpers.perftest.support.jpa.mapping

Class ColumnValuesTableMap

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<String,Set<ColumnValues>>

org.rhq.helpers.perftest.support.jpa.mapping.ColumnValuesTableMap

All Implemented Interfaces:

Serializable, Cloneable, Map<String,Set<ColumnValues>>

public class ColumnValuesTableMap
extends HashMap<String,Set<ColumnValues>>

Represents a map where keys are names of database tables and values are sets of column values (ColumnValues instances). Adds getOrCreate(Object) method to safely retrieve initialized values even for previously non-existent keys.

Author:

Lukas Krejci

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

Constructors

Constructor and Description
ColumnValuesTableMap()

Method Summary

Methods

Modifier and Type	Method and Description
Set<ColumnValues>	getOrCreate(Object key) Retrieves a set of column values for given table name.

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

ColumnValuesTableMap

public ColumnValuesTableMap()

Method Detail

getOrCreate

public Set<ColumnValues> getOrCreate(Object key)

Retrieves a set of column values for given table name. If there was no entry for the table name in this map, a new empty set is created, added to the map and returned.

Parameters:

key - the name of the table

Returns:

a set of column values