/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.jini.core.constraint;
/**
* Implemented by constraints that are expressed in terms of relative time,
* to support conversion to absolute time constraints.
*
* @author Sun Microsystems, Inc.
* @since 2.0
*/
public interface RelativeTimeConstraint extends InvocationConstraint {
/**
* Converts this constraint to absolute time. Takes an absolute time,
* specified in milliseconds from midnight, January 1, 1970 UTC, and
* returns a constraint that has the same information content as this
* constraint except that the relative times have been converted to
* absolute times by adding the specified absolute time to each relative
* time in this constraint. If the addition results in underflow or
* overflow, a time value of <code>Long.MIN_VALUE</code> or
* <code>Long.MAX_VALUE</code> is used, respectively. The returned
* constraint will typically be an instance of a different constraint
* class than this constraint.
*
* @param baseTime an absolute time, specified in milliseconds from
* midnight, January 1, 1970 UTC
* @return a constraint that has the relative times converted to absolute
* times by adding the specified absolute time to each relative time
*/
InvocationConstraint makeAbsolute(long baseTime);
}