uk.gov.gchq.gaffer.function.Tuple Maven / Gradle / Ivy
/*
* Copyright 2016 Crown Copyright
*
* Licensed 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 uk.gov.gchq.gaffer.function;
/**
* A Tuple provides a map-like interface to any data structure.
*
* @param The type of reference used by the underlying data structure to access data values.
*/
public interface Tuple {
/**
* @param reference Data item reference.
* @return Data item corresponding to reference.
*/
Object get(final R reference);
/**
* @param reference Data item reference.
* @param value Data item value to set on the underlying data structure.
*/
void put(final R reference, final Object value);
}