Package jadex.rules.rulesystem.rete.extractors

Class JavaTupleExtractor

java.lang.Object

jadex.rules.rulesystem.rete.extractors.TupleExtractor

jadex.rules.rulesystem.rete.extractors.JavaTupleExtractor

All Implemented Interfaces:

IValueExtractor

public class JavaTupleExtractor
extends TupleExtractor

Extractor for fetching a Java value from a rete tuple.

Field Summary

Fields inherited from class jadex.rules.rulesystem.rete.extractors.TupleExtractor

attr, key, tupleindex

Constructor Summary

Constructors

Constructor	Description
JavaTupleExtractor(int tupleindex, OAVJavaAttributeType attr)	Create a new extractor.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	getValue(Tuple left, java.lang.Object right, java.lang.Object prefix, IOAVState state)	Get the value of an attribute from an object or tuple.
java.lang.String	toString()	Get the string representation.

Methods inherited from class jadex.rules.rulesystem.rete.extractors.TupleExtractor

equals, getAttribute, getIndirectAttributes, getRelevantAttributes, getTupleIndex, hashCode, isAffected

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaTupleExtractor

public JavaTupleExtractor(int tupleindex,
                          OAVJavaAttributeType attr)

Create a new extractor.

Method Detail

getValue

public java.lang.Object getValue(Tuple left,
                                 java.lang.Object right,
                                 java.lang.Object prefix,
                                 IOAVState state)

Get the value of an attribute from an object or tuple.

Specified by:

getValue in interface IValueExtractor

Overrides:

getValue in class TupleExtractor

Parameters:

left - The left input tuple.

right - The right input object.

prefix - The prefix input object (last value from previous extractor in a chain).

state - The working memory.

toString

public java.lang.String toString()

Get the string representation.

Overrides:

toString in class TupleExtractor

Returns:

The string representation.