orc.runtime
Class Args

java.lang.Object
  orc.runtime.Args

All Implemented Interfaces:

java.io.Serializable

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

Container for arguments to a site.

Author:

dkitchin

See Also:

Serialized Form

Nested Class Summary

static interface	Args.NumericBinaryOperator<T> A binary operator on numbers
static interface	Args.NumericUnaryOperator<T> A unary operator on numbers

Constructor Summary

Args(java.util.List<Value> values)

Method Summary

static <T> T	applyNumericOperator(java.lang.Number a, Args.NumericUnaryOperator<T> op) Dispatch a unary operator based on the type of a number.
static <T> T	applyNumericOperator(java.lang.Number a, java.lang.Number b, Args.NumericBinaryOperator<T> op) Dispatch a binary operator based on the widest type of two numbers.
java.lang.Object[]	asArray()
boolean	boolArg(int n) Helper function for booleans
Value	condense() Classic 'let' functionality.
java.lang.String	fieldName()
java.lang.Object	getArg(int n) Helper function to retrieve the nth element as an object (starting from 0), with error checking
int	intArg(int n) Helper function for integers
long	longArg(int n) Helper function for longs
java.lang.Number	numberArg(int n)
int	size()
java.lang.String	stringArg(int n) Helper function for strings
Value	valArg(int n) Helper function to retrieve the nth value (starting from 0), with error checking

Methods inherited from class java.lang.Object

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

Constructor Detail

Args

public Args(java.util.List<Value> values)

Method Detail

size

public int size()

condense

public Value condense()

Classic 'let' functionality. Reduce a list of argument values into a single value as follows: Zero arguments: return a signal One argument: return that value Two or more arguments: return a tuple of values

valArg

public Value valArg(int n)
             throws TokenException

Helper function to retrieve the nth value (starting from 0), with error checking

Throws:

TokenException

fieldName

public java.lang.String fieldName()
                           throws TokenException

Throws:

TokenException

getArg

public java.lang.Object getArg(int n)
                        throws TokenException

Helper function to retrieve the nth element as an object (starting from 0), with error checking

Throws:

TokenException

asArray

public java.lang.Object[] asArray()
                           throws TokenException

Throws:

TokenException

intArg

public int intArg(int n)
           throws TokenException

Helper function for integers

Throws:

TokenException

longArg

public long longArg(int n)
             throws TokenException

Helper function for longs

Throws:

TokenException

numberArg

public java.lang.Number numberArg(int n)
                           throws TokenException

Throws:

TokenException

boolArg

public boolean boolArg(int n)
                throws TokenException

Helper function for booleans

Throws:

TokenException

stringArg

public java.lang.String stringArg(int n)
                           throws TokenException

Helper function for strings

Throws:

TokenException

applyNumericOperator

public static <T> T applyNumericOperator(java.lang.Number a,
                                         java.lang.Number b,
                                         Args.NumericBinaryOperator<T> op)

Dispatch a binary operator based on the widest type of two numbers.

applyNumericOperator

public static <T> T applyNumericOperator(java.lang.Number a,
                                         Args.NumericUnaryOperator<T> op)

Dispatch a unary operator based on the type of a number.