net.sf.mmm.util.query.api.variable

Class Variable<V>

java.lang.Object

net.sf.mmm.util.query.api.variable.Variable<V>

Type Parameters:

V - the generic type of the value represented by this variable.

All Implemented Interfaces:

AttributeReadName

public class Variable<V>
extends Object
implements AttributeReadName

This class represents a simple variable to be used in query Statements.

Since:

8.0.0

Author:

hohwille

Field Summary

Fields

Modifier and Type	Field and Description
private String	name

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Variable(String name) The constructor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getName()
int	hashCode()
String	toString()
static <V> Variable<V>	valueOf(String name)
static <V> Variable<V>	valueOf(String name, PropertyPath<V> path)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

name

private final String name

Constructor Detail

Variable

protected Variable(String name)

The constructor.

Parameters:

name - the name of this Variable.

Method Detail

getName

public String getName()

Specified by:

getName in interface AttributeReadName

Returns:

the name of this object or null if not set. The name is used to represent the object and might be displayed to end-users.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

valueOf

public static <V> Variable<V> valueOf(String name)

Type Parameters:

V - the generic type of the value represented by this variable.

Parameters:

name - the name of the variable.

Returns:

the new Variable.

valueOf

public static <V> Variable<V> valueOf(String name,
                                      PropertyPath<V> path)

Type Parameters:

V - the generic type of the value represented by this variable.

Parameters:

name - the name of the variable.

path - the PropertyPath this variable stands for.

Returns:

the new Variable.