Java tutorial
/* * Copyright (C) 2007 The Guava Authors * * 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 com.google.common.base; import com.google.common.annotations.GwtCompatible; /** * A class that can supply objects of a single type. Semantically, this could * be a factory, generator, builder, closure, or something else entirely. No * guarantees are implied by this interface. * * @author Harry Heymann * @since 2.0 */ @GwtCompatible public interface Supplier<T> { /** * Retrieves an instance of the appropriate type. The returned object may or * may not be a new instance, depending on the implementation. * * @return an instance of the appropriate type */ T get(); }