org.modeshape.graph.query.model
Class Length

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

All Implemented Interfaces:

Serializable, DynamicOperand, LanguageObject, Visitable

Direct Known Subclasses:

JcrLength

@Immutable
public class Length
extends Object
implements 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)
int	hashCode()
PropertyValue	propertyValue() Get the property value whose length is being constrained.
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

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

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()

propertyValue

public final PropertyValue propertyValue()

Get the property value whose length is being constrained.

Returns:

the property value being constrained; never null

selectorName

public SelectorName selectorName()

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.

Specified by:

accept in interface Visitable

Parameters:

visitor - the visitor; never null

See Also:

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