javax.jdo.query

Interface MapExpression<T extends Map<K,V>,K,V>

Type Parameters:

T - Java type being represented here

K - Key type of the map being represented here

V - Value type of the map being represented here

All Superinterfaces:

Expression<T>

public interface MapExpression<T extends Map<K,V>,K,V>
extends Expression<T>

Representation of a map in a query.

Method Summary

Modifier and Type	Method and Description
BooleanExpression	containsEntry(Expression<Map.Entry<K,V>> expr) Method returning whether the specified entry expression is contained in this map.
BooleanExpression	containsEntry(Map.Entry<K,V> entry) Method returning whether the specified entry is contained in this map.
BooleanExpression	containsKey(Expression<K> expr) Method returning whether the specified key expression is contained in this map.
BooleanExpression	containsKey(K key) Method returning whether the specified key is contained in this map.
BooleanExpression	containsValue(Expression<V> expr) Method returning whether the specified value expression is contained in this map.
BooleanExpression	containsValue(V value) Method returning whether the specified value is contained in this map.
Expression<V>	get(Expression<K> key) Method returning an expression for the value of the specified key in the map.
Expression<V>	get(K key) Method returning an expression for the value of the specified key in the map.
BooleanExpression	isEmpty() Method returning whether the map is empty.
NumericExpression<Integer>	size() Method returning an expression for the size of the map

Methods inherited from interface javax.jdo.query.Expression

as, cast, count, countDistinct, eq, eq, instanceOf, ne, ne

Method Detail

get

Expression<V> get(Expression<K> key)

Method returning an expression for the value of the specified key in the map.

Parameters:

key - The key expression

Returns:

the value for the specified key

get

Expression<V> get(K key)

Method returning an expression for the value of the specified key in the map.

Parameters:

key - The key expression

Returns:

the value for the specified key

containsKey

BooleanExpression containsKey(Expression<K> expr)

Method returning whether the specified key expression is contained in this map.

Parameters:

expr - The key expression

Returns:

Whether it is contained here

containsKey

BooleanExpression containsKey(K key)

Method returning whether the specified key is contained in this map.

Parameters:

key - The key

Returns:

Whether it is contained here

containsValue

BooleanExpression containsValue(Expression<V> expr)

Method returning whether the specified value expression is contained in this map.

Parameters:

expr - The value expression

Returns:

Whether it is contained here

containsValue

BooleanExpression containsValue(V value)

Method returning whether the specified value is contained in this map.

Parameters:

value - The value

Returns:

Whether it is contained here

containsEntry

BooleanExpression containsEntry(Expression<Map.Entry<K,V>> expr)

Method returning whether the specified entry expression is contained in this map.

Parameters:

expr - The entry expression

Returns:

Whether it is contained here

containsEntry

BooleanExpression containsEntry(Map.Entry<K,V> entry)

Method returning whether the specified entry is contained in this map.

Parameters:

entry - The entry expression

Returns:

Whether it is contained here

isEmpty

BooleanExpression isEmpty()

Method returning whether the map is empty.

Returns:

Whether it is empty

size

NumericExpression<Integer> size()

Method returning an expression for the size of the map

Returns:

The size