org.drools.base.extractors
Class SelfReferenceClassFieldReader

java.lang.Object
  extended by org.drools.base.BaseClassFieldReader
      extended by org.drools.base.extractors.BaseObjectClassFieldReader
          extended by org.drools.base.extractors.SelfReferenceClassFieldReader
All Implemented Interfaces:
Externalizable, Serializable, InternalReadAccessor, ReadAccessor

public class SelfReferenceClassFieldReader
extends BaseObjectClassFieldReader
implements Externalizable

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

See Also:
Serialized Form

Constructor Summary
SelfReferenceClassFieldReader()
           
SelfReferenceClassFieldReader(Class<?> clazz, String fieldName)
           
 
Method Summary
 Object getValue(InternalWorkingMemory workingMemory, Object object)
           
 boolean isNullValue(InternalWorkingMemory workingMemory, Object object)
           
 boolean isSelfReference()
           
 void readExternal(ObjectInput in)
           
 void writeExternal(ObjectOutput out)
           
 
Methods inherited from class org.drools.base.extractors.BaseObjectClassFieldReader
getBooleanValue, getByteValue, getCharValue, getDoubleValue, getFloatValue, getHashCode, getIntValue, getLongValue, getNativeReadMethod, getShortValue
 
Methods inherited from class org.drools.base.BaseClassFieldReader
equals, getBigDecimalValue, getBigDecimalValue, getBigIntegerValue, getBigIntegerValue, getBooleanValue, getByteValue, getCharValue, getDoubleValue, getExtractToClass, getExtractToClassName, getFloatValue, getHashCode, getIndex, getIntValue, getLongValue, getShortValue, getValue, getValueType, hashCode, isGlobal, isNullValue, setFieldType, setIndex, setValueType
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SelfReferenceClassFieldReader

public SelfReferenceClassFieldReader()

SelfReferenceClassFieldReader

public SelfReferenceClassFieldReader(Class<?> clazz,
                                     String fieldName)
Method Detail

getValue

public Object getValue(InternalWorkingMemory workingMemory,
                       Object object)
Specified by:
getValue in interface InternalReadAccessor
Specified by:
getValue in class BaseObjectClassFieldReader

isNullValue

public boolean isNullValue(InternalWorkingMemory workingMemory,
                           Object object)
Specified by:
isNullValue in interface InternalReadAccessor
Overrides:
isNullValue in class BaseObjectClassFieldReader

isSelfReference

public boolean isSelfReference()
Specified by:
isSelfReference in interface InternalReadAccessor
Overrides:
isSelfReference in class BaseClassFieldReader

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException
Specified by:
writeExternal in interface Externalizable
Throws:
IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException
Specified by:
readExternal in interface Externalizable
Throws:
IOException
ClassNotFoundException


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