| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.qpid.server.model; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import com.google.common.util.concurrent.FutureCallback; |
| import com.google.common.util.concurrent.Futures; |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.MoreExecutors; |
| import com.google.common.util.concurrent.SettableFuture; |
| |
| import org.apache.qpid.server.plugin.ConfiguredObjectTypeFactory; |
| import org.apache.qpid.server.store.ConfiguredObjectDependency; |
| import org.apache.qpid.server.store.ConfiguredObjectRecord; |
| import org.apache.qpid.server.store.UnresolvedConfiguredObject; |
| |
| abstract public class AbstractConfiguredObjectTypeFactory<X extends AbstractConfiguredObject<X>> implements ConfiguredObjectTypeFactory<X> |
| { |
| private final Class<X> _clazz; |
| |
| public AbstractConfiguredObjectTypeFactory(final Class<X> clazz) |
| { |
| _clazz = clazz; |
| } |
| |
| @Override |
| public final String getType() |
| { |
| return ConfiguredObjectTypeRegistry.getType(_clazz); |
| } |
| |
| @Override |
| public final Class<? super X> getCategoryClass() |
| { |
| return (Class<? super X>) ConfiguredObjectTypeRegistry.getCategory(_clazz); |
| } |
| |
| @Override |
| public X create(final ConfiguredObjectFactory factory, |
| final Map<String, Object> attributes, |
| final ConfiguredObject<?>... parents) |
| { |
| X instance = createInstance(attributes, parents); |
| instance.create(); |
| return instance; |
| } |
| |
| |
| @Override |
| public ListenableFuture<X> createAsync(final ConfiguredObjectFactory factory, |
| final Map<String, Object> attributes, |
| final ConfiguredObject<?>... parents) |
| { |
| final SettableFuture<X> returnVal = SettableFuture.create(); |
| final X instance = createInstance(attributes, parents); |
| final ListenableFuture<Void> createFuture = instance.createAsync(); |
| Futures.addCallback(createFuture, new FutureCallback<Void>() |
| { |
| @Override |
| public void onSuccess(final Void result) |
| { |
| returnVal.set(instance); |
| } |
| |
| @Override |
| public void onFailure(final Throwable t) |
| { |
| returnVal.setException(t); |
| } |
| },MoreExecutors.directExecutor()); |
| |
| return returnVal; |
| } |
| |
| protected abstract X createInstance(Map<String, Object> attributes, ConfiguredObject<?>... parents); |
| |
| public final <C extends ConfiguredObject<?>> C getParent(Class<C> parentClass, ConfiguredObject<?>... parents) |
| { |
| for(ConfiguredObject<?> parent : parents) |
| { |
| if(parentClass.isInstance(parent)) |
| { |
| return (C) parent; |
| } |
| } |
| throw new IllegalArgumentException("No parent of class " + parentClass.getSimpleName() + " found."); |
| } |
| |
| @Override |
| public UnresolvedConfiguredObject<X> recover(final ConfiguredObjectFactory factory, |
| final ConfiguredObjectRecord record, |
| final ConfiguredObject<?>... parents) |
| { |
| return new GenericUnresolvedConfiguredObject( record, parents ); |
| } |
| |
| |
| private class GenericUnresolvedConfiguredObject extends AbstractUnresolvedObject<X> |
| { |
| public GenericUnresolvedConfiguredObject( |
| final ConfiguredObjectRecord record, final ConfiguredObject<?>[] parents) |
| { |
| super(_clazz, record, parents); |
| } |
| |
| @Override |
| protected <C extends ConfiguredObject<C>> void resolved(final ConfiguredObjectDependency<C> dependency, |
| final C value) |
| { |
| |
| } |
| |
| @Override |
| public X resolve() |
| { |
| Map<String,Object> attributesWithId = new HashMap<String, Object>(getRecord().getAttributes()); |
| attributesWithId.put(ConfiguredObject.ID, getRecord().getId()); |
| X instance = createInstance(attributesWithId, getParents()); |
| instance.registerWithParents(); |
| return instance; |
| } |
| } |
| } |