MultiMapFactory.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.drools.workbench.services.verifier.api.client.maps;


import java.util.ArrayList;
import java.util.List;

public class MultiMapFactory {

    public static <Key extends Comparable, Value, ListType extends List<Value>> MultiMap<Key, Value, ListType> make( final boolean updatable,
                                                                                                                     final NewSubMapProvider<Value, ListType> newSubMapProvider ) {
        if ( updatable ) {
            return new ChangeHandledMultiMap<>( new RawMultiMap<>( newSubMapProvider ) );
        } else {
            return new RawMultiMap<>( newSubMapProvider );
        }
    }

    public static <Key extends Comparable, Value> MultiMap<Key, Value, List<Value>> make( final boolean updatable ) {
        return make( updatable,
                     new NewSubMapProvider<Value, List<Value>>() {
                         @Override
                         public List<Value> getNewSubMap() {
                             return new ArrayList<Value>();
                         }
                     } );
    }

    public static MultiMap make() {
        return make( false );
    }
}