public class FunctionExtractor extends java.lang.Object implements IValueExtractor
Modifier and Type | Field and Description |
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protected IValueExtractor[] |
extractors
The extractors.
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protected IFunction |
function
The function.
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Constructor and Description |
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FunctionExtractor(IFunction function,
IValueExtractor[] extractors)
Create a new evaluator.
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Modifier and Type | Method and Description |
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boolean |
equals(java.lang.Object obj)
Test for equality.
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IFunction |
getFunction()
Get the function.
|
AttributeSet |
getIndirectAttributes()
Get the set of indirect attribute types.
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AttributeSet |
getRelevantAttributes()
Get the set of relevant attribute types.
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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.
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IValueExtractor[] |
getValueExtractors()
Get the value extractors.
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int |
hashCode()
The hash code.
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boolean |
isAffected(int tupleindex,
OAVAttributeType attr)
Test if a constraint evaluator is affected from a
change of a certain attribute.
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java.lang.String |
toString()
Get the string representation.
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protected IFunction function
protected IValueExtractor[] extractors
public FunctionExtractor(IFunction function, IValueExtractor[] extractors)
public java.lang.Object getValue(Tuple left, java.lang.Object right, java.lang.Object prefix, IOAVState state)
getValue
in interface IValueExtractor
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.public boolean isAffected(int tupleindex, OAVAttributeType attr)
isAffected
in interface IValueExtractor
tupleindex
- The tuple index.attr
- The attribute.public AttributeSet getRelevantAttributes()
getRelevantAttributes
in interface IValueExtractor
public AttributeSet getIndirectAttributes()
getIndirectAttributes
in interface IValueExtractor
public java.lang.String toString()
toString
in class java.lang.Object
public IValueExtractor[] getValueExtractors()
public IFunction getFunction()
public int hashCode()
hashCode
in class java.lang.Object
public boolean equals(java.lang.Object obj)
equals
in class java.lang.Object