/*
* 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.mgmt.internal;
import java.util.Map;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.mgmt.SubscriptionHandle;
import org.apache.brooklyn.api.sensor.Sensor;
import org.apache.brooklyn.api.sensor.SensorEvent;
import org.apache.brooklyn.api.sensor.SensorEventListener;
import org.apache.brooklyn.util.text.Identifiers;
import com.google.common.base.Predicate;
class Subscription<T> implements SubscriptionHandle {
public final String id = Identifiers.makeRandomId(8);
public Object subscriber;
public Object subscriberExecutionManagerTag;
/** whether the tag was supplied by user, in which case we should not clear execution semantics */
public boolean subscriberExecutionManagerTagSupplied;
public final Entity producer;
public final Sensor<T> sensor;
public final SensorEventListener<? super T> listener;
public Map<String,Object> flags;
public Predicate<SensorEvent<T>> eventFilter;
public Subscription(Entity producer, Sensor<T> sensor, SensorEventListener<? super T> listener) {
this.producer = producer;
this.sensor = sensor;
this.listener = listener;
}
@Override
public boolean equals(Object other) {
return (other instanceof Subscription && ((Subscription<?>)other).id==id);
}
@Override
public int hashCode() {
return id.hashCode();
}
@Override
public String toString() {
return "Subscription["+id+";"+subscriber+"@"+LocalSubscriptionManager.makeEntitySensorToken(producer,sensor)+"]";
}
}