oracle.dss.util
Class Operation

java.lang.Object
  oracle.dss.util.Operation

All Implemented Interfaces:

java.io.Serializable

public class Operation
extends java.lang.Object
implements java.io.Serializable

See Also:

Serialized Form

Field Summary

protected boolean	m_generatesCursor
protected java.lang.String	name
protected Parameter[]	parameters

Constructor Summary

Operation(java.lang.String n, Parameter[] p, boolean gc)
Construct an operation.

Method Summary

java.lang.Object	execute(java.lang.Object executionTarget) Execute the operation on a given implementing object.
boolean	generatesCursor() Return whether or not the operation generates a cursor.
java.lang.String	getName()
Parameter[]	getParameters()
void	setGeneratesCursor(boolean generatesCursor)
void	setName(java.lang.String n)
void	setParameters(Parameter[] p)
java.lang.String	toString() Override.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

name

protected java.lang.String name

parameters

protected Parameter[] parameters

m_generatesCursor

protected boolean m_generatesCursor

Constructor Detail

Operation

public Operation(java.lang.String n,
                 Parameter[] p,
                 boolean gc)

Construct an operation.

Parameters:

n - exact name of the API method

p - array of parameters for the operation's method

gc - true if the given operation can generate a cursor when it finishes

Method Detail

execute

public java.lang.Object execute(java.lang.Object executionTarget)
                         throws java.lang.reflect.InvocationTargetException

Execute the operation on a given implementing object.

Parameters:

executionTarget - the object on which to execute the method. It is the caller's responsibility to ensure that executionTarget implements the stored method.

Returns:

return value of called operation method, if any

Throws:

java.lang.reflect.InvocationTargetException - just a way of passing on any random exception thrown by the method

setParameters

public void setParameters(Parameter[] p)

setName

public void setName(java.lang.String n)

getName

public java.lang.String getName()

getParameters

public Parameter[] getParameters()

setGeneratesCursor

public void setGeneratesCursor(boolean generatesCursor)

generatesCursor

public boolean generatesCursor()

Return whether or not the operation generates a cursor.

Returns:

true if operation normally generates a cursor

toString

public java.lang.String toString()

Override.

Overrides:

toString in class java.lang.Object