/*
* 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.entity.stock;
import java.util.Collection;
import org.apache.brooklyn.api.location.Location;
import org.apache.brooklyn.config.ConfigKey;
import org.apache.brooklyn.core.annotation.Effector;
import org.apache.brooklyn.core.annotation.EffectorParam;
import org.apache.brooklyn.core.config.ConfigKeys;
import org.apache.brooklyn.core.entity.AbstractEntity;
import org.apache.brooklyn.core.entity.trait.Startable;
import org.apache.brooklyn.util.core.config.ConfigBag;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.reflect.TypeToken;
/** implementation of {@link Startable} which calls to tasks registered against effectors
* if the methods are invoked directly; note this will loop indefinetly if no method impl
* is supplied and no task is specified on an (overriding) effector
* <p>
* TODO we should have a better way to autostart, basically checking whether there is
* a start effector, i.e. not requiring a start method in Startable
* (and same for stop and restart) */
public class EffectorStartableImpl extends AbstractEntity implements BasicStartable {
private static final Logger log = LoggerFactory.getLogger(EffectorStartableImpl.class);
public static class StartParameters {
// TODO polymorphic parametrisation of effetor, take LOCATION, take strings, etc
@SuppressWarnings("serial")
public static final ConfigKey<Collection<? extends Location>> LOCATIONS =
ConfigKeys.newConfigKey(new TypeToken<Collection<? extends Location>>() {}, "locations",
"locations where the entity should be started");
}
@Override
@Effector(description = "Start the process/service represented by an entity")
public void start(@EffectorParam(name = "locations") Collection<? extends Location> locations) {
log.info("Invoking start (method) on "+this);
invoke(START, ConfigBag.newInstance().configure(StartParameters.LOCATIONS, locations).getAllConfig())
.getUnchecked();
}
@Override
@Effector(description = "Stop the process/service represented by an entity")
public void stop() {
log.info("Invoking stop (method) on "+this);
invoke(STOP).getUnchecked();
}
@Override
@Effector(description = "Restart the process/service represented by an entity")
public void restart() {
log.info("Invoking restart (method) on "+this);
invoke(RESTART).getUnchecked();
}
}