org.apache.solr.cloud.autoscaling.ActionContext Maven / Gradle / Ivy
/*
* 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.solr.cloud.autoscaling;
import java.io.IOException;
import java.util.Map;
import org.apache.solr.client.solrj.cloud.SolrCloudManager;
import org.apache.solr.common.MapWriter;
/**
* Provides additional context for the TriggerAction such as the trigger instance on
* which the action is being executed as well as helper methods to pass computed information along
* to the next action
*/
public class ActionContext implements MapWriter {
private final SolrCloudManager cloudManager;
private final AutoScaling.Trigger source;
private final Map properties;
public ActionContext(SolrCloudManager cloudManager, AutoScaling.Trigger source, Map properties) {
this.cloudManager = cloudManager;
this.source = source;
this.properties = properties;
}
public SolrCloudManager getCloudManager() {
return cloudManager;
}
public AutoScaling.Trigger getSource() {
return source;
}
public Map getProperties() {
return properties;
}
public Object getProperty(String name) {
return properties != null ? properties.get(name) : null;
}
@Override
public void writeMap(EntryWriter ew) throws IOException {
ew.put("source", source.getName());
if (properties != null) {
for (Map.Entry entry : properties.entrySet()) {
ew.put("properties." + entry.getKey(), entry.getValue());
}
}
}
}