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ClassFieldExtractor (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
Class ClassFieldExtractor

java.lang.Object
  org.drools.base.ClassFieldExtractor

All Implemented Interfaces:

Serializable, Extractor, FieldExtractor

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public class ClassFieldExtractor
extends Object
implements FieldExtractor

This provides access to fields, and what their numerical index/object type is. This is basically a wrapper class around dynamically generated subclasses of BaseClassFieldExtractor, which allows serialization by regenerating the accessor classes when needed.

Author:

Michael Neale

See Also:

Serialized Form

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Constructor Summary
ClassFieldExtractor(Class clazz, String fieldName)
ClassFieldExtractor(Class clazz, String fieldName, ClassLoader classLoader)

 

Method Summary
boolean	equals(Object object)
boolean	getBooleanValue(Object object)
byte	getByteValue(Object object)
char	getCharValue(Object object)
double	getDoubleValue(Object object)
Class	getExtractToClass()
String	getFieldName()
float	getFloatValue(Object object)
int	getHashCode(Object object)
int	getIndex()
int	getIntValue(Object object)
long	getLongValue(Object object)
Method	getNativeReadMethod()
short	getShortValue(Object object)
Object	getValue(Object object)
ValueType	getValueType()
int	hashCode()
void	init(ClassLoader classLoader)
boolean	isNullValue(Object object)
String	toString()

 

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

 

Constructor Detail

ClassFieldExtractor

public ClassFieldExtractor(Class clazz,
                           String fieldName)

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ClassFieldExtractor

public ClassFieldExtractor(Class clazz,
                           String fieldName,
                           ClassLoader classLoader)

Method Detail

init

public void init(ClassLoader classLoader)

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getIndex

public int getIndex()

Specified by:

getIndex in interface FieldExtractor

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getFieldName

public String getFieldName()

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getValue

public Object getValue(Object object)

Specified by:

getValue in interface Extractor

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getValueType

public ValueType getValueType()

Specified by:

getValueType in interface Extractor

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getExtractToClass

public Class getExtractToClass()

Specified by:

getExtractToClass in interface Extractor

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toString

public String toString()

Overrides:

toString in class Object

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hashCode

public int hashCode()

Overrides:

hashCode in class Object

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equals

public boolean equals(Object object)

Overrides:

equals in class Object

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getBooleanValue

public boolean getBooleanValue(Object object)

Specified by:

getBooleanValue in interface Extractor

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getByteValue

public byte getByteValue(Object object)

Specified by:

getByteValue in interface Extractor

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getCharValue

public char getCharValue(Object object)

Specified by:

getCharValue in interface Extractor

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getDoubleValue

public double getDoubleValue(Object object)

Specified by:

getDoubleValue in interface Extractor

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getFloatValue

public float getFloatValue(Object object)

Specified by:

getFloatValue in interface Extractor

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getIntValue

public int getIntValue(Object object)

Specified by:

getIntValue in interface Extractor

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getLongValue

public long getLongValue(Object object)

Specified by:

getLongValue in interface Extractor

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getShortValue

public short getShortValue(Object object)

Specified by:

getShortValue in interface Extractor

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isNullValue

public boolean isNullValue(Object object)

Specified by:

isNullValue in interface Extractor

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getNativeReadMethod

public Method getNativeReadMethod()

Specified by:

getNativeReadMethod in interface Extractor

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getHashCode

public int getHashCode(Object object)

Specified by:

getHashCode in interface Extractor

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