SelfReferenceClassFieldExtractor (Drools 4.0.0.11754MR2 API) - JBoss RULES 4.0.0.11754MR2 API 英文版文档

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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:: Serializable, Extractor, FieldExtractor

public class SelfReferenceClassFieldExtractor
extends BaseObjectClassFieldExtractor
extends BaseObjectClassFieldExtractor

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

Author:: etirelli
See Also:: Serialized Form

Constructor Summary

SelfReferenceClassFieldExtractor(Class clazz, String fieldName)


Method Summary

Object getValue(Object object)


boolean isNullValue(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, getIndex, getValueType, hashCode

Methods inherited from class java.lang.Object

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

Constructor Summary
`SelfReferenceClassFieldExtractor(Class clazz, String fieldName)`

Method Summary
`Object`	`getValue(Object object)`
`boolean`	`isNullValue(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, getIndex, getValueType, hashCode`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

SelfReferenceClassFieldExtractor

public SelfReferenceClassFieldExtractor(Class clazz,
                                        String fieldName)

Method Detail

getValue

public Object getValue(Object object)

Specified by:: getValue in interface Extractor
Specified by:: getValue in class BaseObjectClassFieldExtractor

isNullValue

public boolean isNullValue(Object object)

Specified by:: isNullValue in interface Extractor
Overrides:: isNullValue in class BaseObjectClassFieldExtractor