net.sf.mmm.util.query.base.argument

Class ConstantArgument<V>

java.lang.Object

net.sf.mmm.util.query.base.argument.ConstantArgument<V>

Type Parameters:

V - the generic type of the value the check by the Expression to build.

All Implemented Interfaces:

Argument<V>, AbstractArgument<V>

Direct Known Subclasses:

ConstantCollectionArgument, ConstantComparableArgument, ConstantEntityBeanArgument, ConstantMapArgument

public class ConstantArgument<V>
extends Object
implements AbstractArgument<V>

This is the constant implementation of Argument.

Since:

8.0.0

Author:

hohwille

Field Summary

Fields

Modifier and Type	Field and Description
static ConstantArgument	NULL The singleton ConstantArgument instance for the null literal.
private V	value

Constructor Summary

Constructors

Constructor and Description
ConstantArgument(V value) The constructor.

Method Summary

Modifier and Type	Method and Description
V	getValue()
Path<V>	getValuePath()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.mmm.util.query.base.argument.AbstractArgument

eq, eq, exp, exp, exp, exp, expRight, in, in, isNotNull, isNull, neq, neq, notIn, notIn

Methods inherited from interface net.sf.mmm.util.query.api.argument.Argument

evaluate, isConstant

Field Detail

NULL

public static final ConstantArgument NULL

The singleton ConstantArgument instance for the null literal.

value

private final V value

Constructor Detail

ConstantArgument

public ConstantArgument(V value)

The constructor.

Parameters:

value - the value.

Method Detail

getValuePath

public Path<V> getValuePath()

Specified by:

getValuePath in interface Argument<V>

Returns:

the Path of this builder. Will be null if value is NOT null and vice versa.

getValue

public V getValue()

Specified by:

getValue in interface Argument<V>

Returns:

the literal value of this Argument. Will be null if path is NOT null and vice versa.