| /* |
| * 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.brooklyn.core.objs; |
| |
| import java.util.Set; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.collect.Iterables; |
| import org.apache.brooklyn.api.mgmt.ManagementContext; |
| import org.apache.brooklyn.api.mgmt.Task; |
| import org.apache.brooklyn.api.objs.Configurable; |
| import org.apache.brooklyn.api.objs.Identifiable; |
| import org.apache.brooklyn.config.ConfigKey; |
| import org.apache.brooklyn.config.ConfigKey.HasConfigKey; |
| import org.apache.brooklyn.config.ConfigMap; |
| import org.apache.brooklyn.core.mgmt.HasBrooklynManagementContext; |
| import org.apache.brooklyn.core.mgmt.ManagementContextInjectable; |
| import org.apache.brooklyn.util.collections.MutableSet; |
| import org.apache.brooklyn.util.core.config.ConfigBag; |
| import org.apache.brooklyn.util.core.flags.SetFromFlag; |
| import org.apache.brooklyn.util.text.Identifiers; |
| |
| /** |
| * A parent class for ancilliary objects that do not require the full heavy lifting of {@link AbstractBrooklynObject} |
| * or similar, but wish to use {@link ConfigKey} and {@link Configurable} in their construction, via the |
| * {@code $brooklyn:object} method of the CAMP DSL. |
| * <p> |
| * Type coercion of values will occur when the {@link ConfigMap} is accessed, but resolving of {@link Task tasks} and other |
| * deferred operations are assumed to have occurred prior to calling {@link org.apache.brooklyn.api.objs.Configurable.ConfigurationSupport#set(ConfigKey, Object)} i.e. at |
| * object construction. |
| */ |
| public class BasicConfigurableObject implements Configurable, Identifiable, ManagementContextInjectable, HasBrooklynManagementContext { |
| |
| @SetFromFlag("id") |
| private String id = Identifiers.makeRandomId(8); |
| |
| private volatile ManagementContext managementContext; |
| private final BasicConfigurationSupport config; |
| |
| public BasicConfigurableObject() { |
| config = new BasicConfigurationSupport(); |
| } |
| |
| @Override |
| public void setManagementContext(ManagementContext managementContext) { |
| this.managementContext = managementContext; |
| } |
| |
| @Override |
| public ManagementContext getBrooklynManagementContext() { |
| return managementContext; |
| } |
| |
| @Override |
| public String getId() { |
| return id; |
| } |
| |
| @Override |
| public ConfigurationSupport config() { |
| return config; |
| } |
| |
| @Override |
| public <T> T getConfig(ConfigKey<T> key) { |
| return config().get(key); |
| } |
| |
| public static class BasicConfigurationSupport implements ConfigurationSupport { |
| private final ConfigBag config = ConfigBag.newInstance(); |
| |
| @Override |
| public <T> T get(ConfigKey<T> key) { |
| return config.get(key); |
| } |
| |
| @Override |
| public <T> T get(HasConfigKey<T> key) { |
| return get(key.getConfigKey()); |
| } |
| |
| @Override |
| public <T> T set(ConfigKey<T> key, T val) { |
| T old = config.get(key); |
| config.configure(key, val); |
| return old; |
| } |
| |
| @Override |
| public <T> T set(HasConfigKey<T> key, T val) { |
| return set(key.getConfigKey(), val); |
| } |
| |
| @Override |
| public <T> T set(ConfigKey<T> key, Task<T> val) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T> T set(HasConfigKey<T> key, Task<T> val) { |
| return set(key.getConfigKey(), val); |
| } |
| |
| @Override |
| public Set<ConfigKey<?>> findKeysDeclared(Predicate<? super ConfigKey<?>> filter) { |
| return MutableSet.copyOf(Iterables.filter(config.getAllConfigAsConfigKeyMap().keySet(), filter)); |
| } |
| |
| @Override |
| public Set<ConfigKey<?>> findKeysPresent(Predicate<? super ConfigKey<?>> filter) { |
| return findKeysDeclared(filter); |
| } |
| |
| } |
| } |