de.up.ling.irtg.laboratory

Class Operation.NullOperation

java.lang.Object

de.up.ling.irtg.laboratory.Operation.NullOperation

All Implemented Interfaces:

Operation

Enclosing interface:

Operation

public static class Operation.NullOperation
extends Object
implements Operation

Returns always null.

Nested Class Summary

Nested classes/interfaces inherited from interface de.up.ling.irtg.laboratory.Operation

Operation.ConstructorOperation, Operation.LookupVariableOperation, Operation.MethodOperation, Operation.NullOperation, Operation.PrimitiveTypeOperation, Operation.StringOperation, Operation.WrapperException

Constructor Summary

Constructors

Constructor and Description
NullOperation()

Method Summary

Modifier and Type	Method and Description
Object	apply(List<Object> input) Applies the operation.
Class	getReturnType() Returns the Class of the object this operation returns.
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface de.up.ling.irtg.laboratory.Operation

executeTree

Constructor Detail

NullOperation

public NullOperation()

Method Detail

apply

public Object apply(List<Object> input)
             throws IllegalAccessException,
                    InvocationTargetException

Description copied from interface: Operation

Applies the operation.

Specified by:

apply in interface Operation

Parameters:

input - These inputs are used as parameters for the operation, in the order in which they occur in the list.

Returns:

Throws:

IllegalAccessException

InvocationTargetException

getReturnType

public Class getReturnType()

Description copied from interface: Operation

Returns the Class of the object this operation returns.

Specified by:

getReturnType in interface Operation

Returns:

toString

public String toString()

Overrides:

toString in class Object