public class StateExtractor extends java.lang.Object implements IValueExtractor
Constructor and Description |
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StateExtractor() |
Modifier and Type | Method and Description |
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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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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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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 java.lang.String toString()
toString
in class java.lang.Object
public AttributeSet getRelevantAttributes()
getRelevantAttributes
in interface IValueExtractor
public AttributeSet getIndirectAttributes()
getIndirectAttributes
in interface IValueExtractor