public interface IValueExtractor
Modifier and Type | Method and Description |
---|---|
AttributeSet |
getIndirectAttributes()
Get the set of indirect attribute types.
|
AttributeSet |
getRelevantAttributes()
Get the set of relevant attribute types.
|
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.
|
boolean |
isAffected(int tupleindex,
OAVAttributeType attr)
Test if a constraint evaluator is affected from a
change of a certain attribute.
|
java.lang.Object getValue(Tuple left, java.lang.Object right, java.lang.Object prefix, IOAVState state)
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.boolean isAffected(int tupleindex, OAVAttributeType attr)
tupleindex
- The tuple index (-1 for object).attr
- The attribute.AttributeSet getRelevantAttributes()
AttributeSet getIndirectAttributes()