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From ahgittin <...@git.apache.org>
Subject [GitHub] incubator-brooklyn pull request: Sensors chained for service up
Date Fri, 29 Aug 2014 22:31:07 GMT
Github user ahgittin commented on a diff in the pull request:

    https://github.com/apache/incubator-brooklyn/pull/131#discussion_r16924023
  
    --- Diff: core/src/main/java/brooklyn/enricher/basic/AbstractAggregator.java ---
    @@ -0,0 +1,215 @@
    +/*
    + * 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 brooklyn.enricher.basic;
    +
    +import static com.google.common.base.Preconditions.checkState;
    +
    +import java.util.Set;
    +
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import brooklyn.config.ConfigKey;
    +import brooklyn.entity.Entity;
    +import brooklyn.entity.Group;
    +import brooklyn.entity.basic.AbstractEntity;
    +import brooklyn.entity.basic.ConfigKeys;
    +import brooklyn.entity.basic.EntityLocal;
    +import brooklyn.entity.trait.Changeable;
    +import brooklyn.event.Sensor;
    +import brooklyn.event.SensorEvent;
    +import brooklyn.event.SensorEventListener;
    +import brooklyn.util.exceptions.Exceptions;
    +import brooklyn.util.guava.Maybe;
    +
    +import com.google.common.base.Predicate;
    +import com.google.common.base.Predicates;
    +import com.google.common.collect.Iterables;
    +import com.google.common.reflect.TypeToken;
    +
    +/** Abstract superclass for enrichers which aggregate from children and/or members */
    +@SuppressWarnings("serial")
    +public abstract class AbstractAggregator<T,U> extends AbstractEnricher implements
SensorEventListener<T> {
    +
    +    private static final Logger LOG = LoggerFactory.getLogger(AbstractAggregator.class);
    +
    +    public static final ConfigKey<Entity> PRODUCER = ConfigKeys.newConfigKey(Entity.class,
"enricher.producer", "The entity whose children/members will be aggregated");
    +
    +    public static final ConfigKey<Sensor<?>> TARGET_SENSOR = ConfigKeys.newConfigKey(new
TypeToken<Sensor<?>>() {}, "enricher.targetSensor");
    +
    +    // FIXME this is not just for "members" i think -Alex
    --- End diff --
    
    this was a refactoring of existing code, not new code


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