Java tutorial
/* * Licensed to the University Corporation for Advanced Internet Development, * Inc. (UCAID) under one or more contributor license agreements. See the * NOTICE file distributed with this work for additional information regarding * copyright ownership. The UCAID licenses this file to You 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.opensaml.storage.impl.client; import java.util.ArrayList; import java.util.Collection; import javax.annotation.Nonnull; import org.opensaml.messaging.context.BaseContext; import org.opensaml.storage.impl.client.ClientStorageService.ClientStorageSource; import com.google.common.base.Predicate; import com.google.common.collect.Iterables; import net.shibboleth.utilities.java.support.annotation.constraint.Live; import net.shibboleth.utilities.java.support.annotation.constraint.NonnullElements; /** * A subcontext for driving the saving of data to a client from one or more * instances of a {@link ClientStorageService}. */ public class ClientStorageSaveContext extends BaseContext { /** Storage operations to perform. */ @Nonnull @NonnullElements private Collection<ClientStorageServiceOperation> storageOperations; /** Constructor. */ public ClientStorageSaveContext() { storageOperations = new ArrayList<>(); } /** * Get the storage operations to perform. * * @return modifiable collection of storage operations */ @Nonnull @NonnullElements @Live public Collection<ClientStorageServiceOperation> getStorageOperations() { return storageOperations; } /** * Get whether a particular storage source is implicated by the queued operations. * * @param source storage source to check for * @return true iff the operations include at least one against the specified source */ public boolean isSourceRequired(@Nonnull final ClientStorageSource source) { return Iterables.any(storageOperations, new Predicate<ClientStorageServiceOperation>() { public boolean apply(ClientStorageServiceOperation input) { return input.getStorageSource() == source; } }); } }