org.modeshape.graph.query.model
Class ReferenceValue

java.lang.Object
  extended by org.modeshape.graph.query.model.ReferenceValue
All Implemented Interfaces:
Serializable, DynamicOperand, LanguageObject, Visitable
Direct Known Subclasses:
JcrReferenceValue

@Immutable
public class ReferenceValue
extends Object
implements DynamicOperand

A dynamic operand that evaluates to the value(s) of a single or any reference property on a selector, used in a Comparison constraint.

See Also:
Serialized Form

Constructor Summary
ReferenceValue(SelectorName selectorName)
          Create a dynamic operand that evaluates to all of the reference values of the node identified by the selector.
ReferenceValue(SelectorName selectorName, String propertyName)
          Create a dynamic operand that evaluates to the values of a single reference property 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()
          
 String propertyName()
          Get the name of the one reference property.
 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

ReferenceValue

public ReferenceValue(SelectorName selectorName)
Create a dynamic operand that evaluates to all of the reference values of the node identified by the selector.

Parameters:
selectorName - the name of the selector
Throws:
IllegalArgumentException - if the selector name is null

ReferenceValue

public ReferenceValue(SelectorName selectorName,
                      String propertyName)
Create a dynamic operand that evaluates to the values of a single reference property of the node identified by the selector.

Parameters:
selectorName - the name of the selector
propertyName - the name of the property
Throws:
IllegalArgumentException - if the selector name is 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()

propertyName

public final String propertyName()
Get the name of the one reference property.

Returns:
the property name; or null if this operand applies to any reference property

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)


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