org.drools.spi
Interface Tuple

public interface Tuple

A mapping of Declaration s to current fact values.

See Also:

Declaration

Method Summary

java.lang.Object	get(Declaration declaration) Retrieve the value bound to a particular Declaration.
FactHandle	getFactHandleForObject(java.lang.Object object) Retrieve the FactHandle for a given object.
long	getLeastRecentFactTimeStamp()
long	getMostRecentFactTimeStamp()
WorkingMemory	getWorkingMemory() Returns a reference to the WorkingMemory associated with this object.

Method Detail

get

java.lang.Object get(Declaration declaration)

Retrieve the value bound to a particular Declaration.

Parameters:

declaration - The Declaration key.

Returns:

The currently bound Object value.

getFactHandleForObject

FactHandle getFactHandleForObject(java.lang.Object object)

Retrieve the FactHandle for a given object.

Within a consequence of a rule, if the desire is to retract or modify a root fact this method provides a way to retrieve the FactHandle. Facts that are not root fact objects have no handle.

Parameters:

object - The object.

Returns:

The fact-handle or null if the supplied object is not a root fact object.

getWorkingMemory

WorkingMemory getWorkingMemory()

Returns a reference to the WorkingMemory associated with this object.

Returns:

WorkingMemory

getMostRecentFactTimeStamp

long getMostRecentFactTimeStamp()

getLeastRecentFactTimeStamp

long getLeastRecentFactTimeStamp()