001/* 002 * Copyright (C) 2012 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.google.common.collect.testing.google; 018 019import com.google.common.annotations.GwtCompatible; 020import com.google.common.collect.Multimap; 021import com.google.common.collect.testing.SampleElements; 022import com.google.common.collect.testing.TestContainerGenerator; 023import java.util.Collection; 024import java.util.Map.Entry; 025import org.checkerframework.checker.nullness.qual.Nullable; 026 027/** 028 * Creates multimaps, containing sample elements, to be tested. 029 * 030 * @author Louis Wasserman 031 */ 032@GwtCompatible 033@ElementTypesAreNonnullByDefault 034public interface TestMultimapGenerator< 035 K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>> 036 extends TestContainerGenerator<M, Entry<K, V>> { 037 038 K[] createKeyArray(int length); 039 040 V[] createValueArray(int length); 041 042 SampleElements<K> sampleKeys(); 043 044 SampleElements<V> sampleValues(); 045 046 Collection<V> createCollection(Iterable<? extends V> values); 047}