org.jboss.dna.graph.query.model
Class Or

java.lang.Object
  org.jboss.dna.graph.query.model.Constraint
      org.jboss.dna.graph.query.model.Or

All Implemented Interfaces:

Serializable, LanguageObject, Visitable

@Immutable
public class Or
extends Constraint

A constraint that evaluates to true when either of the other constraints evaluates to true.

See Also:

Serialized Form

Constructor Summary

Or(Constraint left, Constraint right)
Create a constraint that evaluates to true if either of the two supplied constraints evaluates to true.

Method Summary

void	accept(Visitor visitor) Accept the supplied visitor, which should call back to the visitor to complete the double-dispatch operation.
boolean	equals(Object obj)
Constraint	getLeft() Get the left-hand constraint.
Constraint	getRight() Get the right-hand constraint.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Or

public Or(Constraint left,
          Constraint right)

Create a constraint that evaluates to true if either of the two supplied constraints evaluates to true.

Parameters:

left - the left constraint

right - the right constraint

Throws:

IllegalArgumentException - if the left or right constraints are null

Method Detail

getLeft

public final Constraint getLeft()

Get the left-hand constraint.

Returns:

the left-hand constraint; never null

getRight

public final Constraint getRight()

Get the right-hand constraint.

Returns:

the right-hand constraint; never null

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

See Also:

Object.hashCode()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

See Also:

Object.equals(java.lang.Object)

accept

public void accept(Visitor visitor)

Accept the supplied visitor, which should call back to the visitor to complete the double-dispatch operation.

Parameters:

visitor - the visitor; never null

See Also:

Visitable.accept(org.jboss.dna.graph.query.model.Visitor)