DefinitionSetRegistry.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.kie.workbench.common.stunner.core.registry.definition;

import java.util.Collection;

import org.kie.workbench.common.stunner.core.registry.Registry;

/**
 * Base registry type for Definition Sets.
 * @param <T> The type of the Definition Set.
 */
public interface DefinitionSetRegistry<T> extends Registry<T> {

    /**
     * Lookup the Definition Set of type <code>T</code> by its identifier.
     * @param id The Definition Set's identifier criteria.
     * @return The Defintiion Set of type <code>T</code> that this registry contains, <code>null</code> ortherwise.
     */
    T getDefinitionSetById(final String id);

    /**
     * Retun a collection of all Definition Set's present on this registry.
     */
    Collection<T> getAllDefinitionSets();
}