Eclipse GMF Guide (Galileo) - TestAttributeOperation (Eclipse GMF Documentation)

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org.eclipse.gmf.runtime.common.ui.services.action.filter
Class TestAttributeOperation

java.lang.Object
  
org.eclipse.gmf.runtime.common.ui.services.action.filter.TestAttributeOperation

All Implemented Interfaces:: IOperation

public class TestAttributeOperation
extends java.lang.Object
implements IOperation
extends java.lang.Object
implements IOperation

An operation that performs attribute tests by determining whether a specific attribute matches the state of a target object.

Constructor Summary

TestAttributeOperation (java.lang.Object target, java.lang.String name, java.lang.String value)
          Constructs a new test attribute operation with the specified target object, attribute name, and attribute value.

Method Summary

boolean equals (java.lang.Object object)
          Indicates whether some other object is "equal to" this test attribute operation.

java.lang.Object execute ( IProvider provider)
          Executes this test attribute operation on the specified provider.

java.lang.String getName ()
          Retrieves the value of the name instance variable.

java.lang.Object getTarget ()
          Retrieves the value of the target instance variable.

java.lang.String getValue ()
          Retrieves the value of the value instance variable.

int hashCode ()
          Retrieves a hash code value for this test attribute operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

TestAttributeOperation

public TestAttributeOperation(java.lang.Object target,
                              java.lang.String name,
                              java.lang.String value)

Constructs a new test attribute operation with the specified target object, attribute name, and attribute value.

Parameters:: target - The target of the attribute test.; name - The name of the attribute to test.; value - The value of the attribute to test.

Method Detail

getTarget

public java.lang.Object getTarget()

Retrieves the value of the target instance variable.

Returns:: The value of the target instance variable.

getName

public java.lang.String getName()

Retrieves the value of the name instance variable.

Returns:: The value of the name instance variable.

getValue

public java.lang.String getValue()

Retrieves the value of the value instance variable.

Returns:: The value of the value instance variable.

hashCode

public int hashCode()

Retrieves a hash code value for this test attribute operation. This method is supported for the benefit of hashtables such as those provided by java.util.HashMap.

Overrides:: hashCode in class java.lang.Object

Returns:: A hash code value for this test attribute operation.
See Also:: Object.hashCode()

equals

public boolean equals(java.lang.Object object)

Indicates whether some other object is "equal to" this test attribute operation.

Overrides:: equals in class java.lang.Object

Parameters:: object - The reference object with which to compare.
Returns:: true if this test attribute operation is the same as the object argument; false otherwise.
See Also:: Object.equals(Object)

execute

public java.lang.Object execute(
IProvider provider)

Executes this test attribute operation on the specified provider.

Specified by:: execute in interface IOperation

Parameters:: provider - The provider on which to execute this operation.
Returns:: The result of executing this operation.
See Also:: IOperation.execute(IProvider)