org.modeshape.graph.query.model
Class Length

java.lang.Object
  extended by 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)


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