org.intermine.objectstore.intermine
Class CheckForIsNotNullConstraint

java.lang.Object
  org.intermine.objectstore.intermine.CheckForIsNotNullConstraint

All Implemented Interfaces:

ConstraintTraverseAction

public class CheckForIsNotNullConstraint
extends java.lang.Object
implements ConstraintTraverseAction

For use with ConstraintHelper.traverseConstraints(). For each constrain check whether ir sets the given query node to be 'NOT NULL'

Constructor Summary

CheckForIsNotNullConstraint(QueryNode node)
Construct with the QueryNode to test for NOT NULL constraint.

Method Summary

void	apply(Constraint c) Perform test for NOT NULL constraint on node
boolean	exists() Check whether a NOT NULL constraint was found.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CheckForIsNotNullConstraint

public CheckForIsNotNullConstraint(QueryNode node)

Construct with the QueryNode to test for NOT NULL constraint.

Parameters:

node - the node to test

Method Detail

exists

public boolean exists()

Check whether a NOT NULL constraint was found.

Returns:

true if NOT CULL constraint found

apply

public void apply(Constraint c)

Perform test for NOT NULL constraint on node

Specified by:

apply in interface ConstraintTraverseAction

Parameters:

c - the constraint to test