org.modeshape.graph.query.model
Class NodeDepth

java.lang.Object
  org.modeshape.graph.query.model.NodeDepth

All Implemented Interfaces:

Serializable, DynamicOperand, LanguageObject, Visitable

Direct Known Subclasses:

JcrNodeDepth

@Immutable
public class NodeDepth
extends Object
implements DynamicOperand

A dynamic operand that evaluates to the depth of a node given by a selector, used in a Comparison constraint.

See Also:

Serialized Form

Constructor Summary

NodeDepth(SelectorName selectorName)
Create a dynamic operand that evaluates to the depth of the node identified by the selector.

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)
int	hashCode()
SelectorName	selectorName() Get the selector symbol upon which this operand applies.
Set<SelectorName>	selectorNames() Get the selector symbols to which this operand applies.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeDepth

public NodeDepth(SelectorName selectorName)

Create a dynamic operand that evaluates to the depth of the node identified by the selector.

Parameters:

selectorName - the name of the selector

Throws:

IllegalArgumentException - if the selector name or property name are null

Method Detail

selectorName

public SelectorName selectorName()

Get the selector symbol upon which this operand applies.

Returns:

the one selector names used by this operand; never null

selectorNames

public Set<SelectorName> selectorNames()

Get the selector symbols to which this operand applies.

Specified by:

selectorNames in interface DynamicOperand

Returns:

the immutable ordered set of non-null selector names used by this operand; never null and never empty

See Also:

DynamicOperand.selectorNames()

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.

Specified by:

accept in interface Visitable

Parameters:

visitor - the visitor; never null

See Also:

Visitable.accept(org.modeshape.graph.query.model.Visitor)