com.bc.jexp.impl

Class AbstractFunction

java.lang.Object

com.bc.jexp.impl.AbstractFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

AbstractFunction.B, AbstractFunction.D, AbstractFunction.I, UserFunction

public abstract class AbstractFunction
extends Object
implements Function

Provides an implementation of the Function interface.

Author:

Norman Fomferra (norman.fomferra@brockmann-consult.de)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractFunction.B
static class	AbstractFunction.D
static class	AbstractFunction.I

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFunction(String name, int retType, int numArgs)
protected	AbstractFunction(String name, int retType, int numArgs, int[] argTypes)

Method Summary

Methods

Modifier and Type	Method and Description
int	getArgType(int argIndex) Gets the type of a function's i-th argument.
String	getName() Gets the function's name.
int	getNumArgs() Gets the function's number of arguments.
int	getRetType() Gets the function's return type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.bc.jexp.Function

evalB, evalD, evalI

Constructor Detail

AbstractFunction

protected AbstractFunction(String name,
                int retType,
                int numArgs)

AbstractFunction

protected AbstractFunction(String name,
                int retType,
                int numArgs,
                int[] argTypes)

Method Detail

getName

public String getName()

Description copied from interface: Function

Gets the function's name.

Specified by:

getName in interface Function

Returns:

the name, should never be null.

getRetType

public int getRetType()

Description copied from interface: Function

Gets the function's return type.

Specified by:

getRetType in interface Function

Returns:

the type, should always be one of the TYPE_X constants defined in the Term class.

getNumArgs

public int getNumArgs()

Description copied from interface: Function

Gets the function's number of arguments.

Specified by:

getNumArgs in interface Function

Returns:

number of arguments.

getArgType

public int getArgType(int argIndex)

Description copied from interface: Function

Gets the type of a function's i-th argument.

Specified by:

getArgType in interface Function

Parameters:

argIndex - The argument index.

Returns:

an arry of types, each element should always be one of the TYPE_X constants defined in the Term class.