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

java.lang.Object
  org.jboss.dna.graph.query.model.DynamicOperand
      org.jboss.dna.graph.query.model.Length

All Implemented Interfaces:

Serializable, LanguageObject, Visitable

@Immutable
public class Length
extends DynamicOperand

A dynamic operand that evaluates to the length of the supplied propety values, used in a Comparison constraint.

See Also:

Serialized Form

Constructor Summary

Length(PropertyValue propertyValue)
Create a dynamic operand that evaluates to the length of the supplied property values.

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)
PropertyValue	getPropertyValue() Get the property value whose length is being constrained.
SelectorName	getSelectorName() Get the selector symbol upon which this operand applies.
int	hashCode()
String	toString()

Methods inherited from class org.jboss.dna.graph.query.model.DynamicOperand

getSelectorNames

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Length

public Length(PropertyValue propertyValue)

Create a dynamic operand that evaluates to the length of the supplied property values.

Parameters:

propertyValue - the property value operand

Method Detail

getPropertyValue

public final PropertyValue getPropertyValue()

Get the property value whose length is being constrained.

Returns:

the property value being constrained; never null

getSelectorName

public SelectorName getSelectorName()

Get the selector symbol upon which this operand applies.

Returns:

the one selector names used by this operand; 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)