ptolemy.data.expr

Class CachedMethod.ArrayMapCachedMethod

java.lang.Object

ptolemy.data.expr.CachedMethod

ptolemy.data.expr.CachedMethod.ArrayMapCachedMethod

Enclosing class:

CachedMethod

public static class CachedMethod.ArrayMapCachedMethod
extends CachedMethod

A class representing the invocation of a scalar method on an array of elements.

Nested Class Summary

Nested classes/interfaces inherited from class ptolemy.data.expr.CachedMethod

CachedMethod.ArgumentConversion, CachedMethod.ArrayMapCachedMethod, CachedMethod.BaseConvertCachedMethod, CachedMethod.MatrixMapCachedMethod, CachedMethod.TypeArgumentConversion

Field Summary

Fields inherited from class ptolemy.data.expr.CachedMethod

ARRAYTOKEN_CONVERSION, FUNCTION, IDENTITY_CONVERSION, IMPOSSIBLE_CONVERSION, METHOD, NATIVE_CONVERSION

Constructor Summary

Constructors

Constructor and Description
ArrayMapCachedMethod(java.lang.String methodName, Type[] argumentTypes, int type, CachedMethod cachedMethod, boolean[] reducedArgs) Constructs a CachedMethod$ArrayMapCachedMethod object.

Method Summary

Modifier and Type	Method and Description
Type	getReturnType() Override the base class to return an array type with the element type being the return type of the underlying scalar method.
Token	invoke(java.lang.Object[] argValues) Invoke the method represented by this CachedMethod.
boolean	isValid() Override the base class to correctly implement the isValid() method.
java.lang.String	methodDescription() Return an appropriate description of the method being invoked.

Methods inherited from class ptolemy.data.expr.CachedMethod

_areConversionsPreferable, _getConversion, _polymorphicGetMethod, clear, equals, findMethod, getCachedMethodType, getConversions, getMethod, hashCode, isFunction, isMethod, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayMapCachedMethod

public ArrayMapCachedMethod(java.lang.String methodName,
                            Type[] argumentTypes,
                            int type,
                            CachedMethod cachedMethod,
                            boolean[] reducedArgs)
                     throws IllegalActionException

Constructs a CachedMethod$ArrayMapCachedMethod object.

Parameters:

methodName - The name of the method.

argumentTypes - The types of the arguments.

type - An integer specifying the type

cachedMethod - The method to be invoked

reducedArgs - An array of booleans where if an element of the array is true and the corresponding argument is an ArrayToken, then invoke() handles those arguments specially.

Throws:

IllegalActionException - Not thrown in this derived class, but the superclass throws it if the return type of the cached method cannot be determined.

Method Detail

invoke

public Token invoke(java.lang.Object[] argValues)
             throws IllegalActionException

Invoke the method represented by this CachedMethod. This implements any conversions necessary to turn token arguments into other arguments, and to convert the result back into a token.

Overrides:

invoke in class CachedMethod

Parameters:

argValues - An array of token objects that will be used as the arguments. Note that each element must be an ArrayToken and each ArrayToken must have the same length as the other ArrayTokens.

Returns:

The token result of the method invocation.

Throws:

IllegalActionException - If the invoked method throws it.

isValid

public boolean isValid()

Override the base class to correctly implement the isValid() method.

Overrides:

isValid in class CachedMethod

Returns:

True if a method was found.

getReturnType

public Type getReturnType()
                   throws IllegalActionException

Override the base class to return an array type with the element type being the return type of the underlying scalar method.

Overrides:

getReturnType in class CachedMethod

Returns:

An ArrayType with an appropriate element type.

Throws:

IllegalActionException - If a method or function with the correct argument types was not found.

methodDescription

public java.lang.String methodDescription()

Return an appropriate description of the method being invoked.

Overrides:

methodDescription in class CachedMethod

Returns:

A description of the method being invoked.