org.drools.base.extractors
Class SelfReferenceClassFieldExtractor

java.lang.Object
  org.drools.base.BaseClassFieldExtractor
      org.drools.base.extractors.BaseObjectClassFieldExtractor
          org.drools.base.extractors.SelfReferenceClassFieldExtractor

All Implemented Interfaces:

java.io.Serializable, Extractor, FieldExtractor

public class SelfReferenceClassFieldExtractor
extends BaseObjectClassFieldExtractor

A special field extractor for the self reference "this".

Author:

etirelli

See Also:

Serialized Form

Constructor Summary

SelfReferenceClassFieldExtractor(java.lang.Class clazz, java.lang.String fieldName)

Method Summary

java.lang.Object	getValue(InternalWorkingMemory workingMemory, java.lang.Object object)
boolean	isNullValue(InternalWorkingMemory workingMemory, java.lang.Object object)

Methods inherited from class org.drools.base.extractors.BaseObjectClassFieldExtractor

getBooleanValue, getByteValue, getCharValue, getDoubleValue, getFloatValue, getHashCode, getIntValue, getLongValue, getNativeReadMethod, getShortValue

Methods inherited from class org.drools.base.BaseClassFieldExtractor

equals, getExtractToClass, getExtractToClassName, getIndex, getValueType, hashCode, isGlobal

Methods inherited from class java.lang.Object

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

Constructor Detail

SelfReferenceClassFieldExtractor

public SelfReferenceClassFieldExtractor(java.lang.Class clazz,
                                        java.lang.String fieldName)

Method Detail

getValue

public java.lang.Object getValue(InternalWorkingMemory workingMemory,
                                 java.lang.Object object)

Specified by:

getValue in interface Extractor

Specified by:

getValue in class BaseObjectClassFieldExtractor

isNullValue

public boolean isNullValue(InternalWorkingMemory workingMemory,
                           java.lang.Object object)

Specified by:

isNullValue in interface Extractor

Overrides:

isNullValue in class BaseObjectClassFieldExtractor