public class ConstantExtractor extends java.lang.Object implements IValueExtractor
Modifier and Type | Field and Description |
---|---|
protected java.lang.Object |
value
The value.
|
Constructor and Description |
---|
ConstantExtractor(java.lang.Object value)
Create a new extractor.
|
Modifier and Type | Method and Description |
---|---|
boolean |
equals(java.lang.Object obj)
Test for equality.
|
AttributeSet |
getIndirectAttributes()
Get the set of indirect attribute types.
|
AttributeSet |
getRelevantAttributes()
Get the set of relevant attribute types.
|
java.lang.Object |
getValue()
Get the constant value.
|
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.
|
int |
hashCode()
The hash code.
|
boolean |
isAffected(int tupleindex,
OAVAttributeType attr)
Test if a constraint evaluator is affected from a
change of a certain attribute.
|
java.lang.String |
toString()
Get the string representation.
|
public ConstantExtractor(java.lang.Object value)
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
public java.lang.Object getValue()
public int hashCode()
hashCode
in class java.lang.Object
public boolean equals(java.lang.Object obj)
equals
in class java.lang.Object