/*
* 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
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*/
package org.apache.ambari.infra.solr.commands;
import org.apache.ambari.infra.solr.AmbariSolrCloudClient;
import org.apache.ambari.infra.solr.domain.AmbariSolrState;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.map.ObjectMapper;
public abstract class AbstractStateFileZkCommand extends AbstractZookeeperRetryCommand<AmbariSolrState>{
public static final String STATE_FILE = "ambari-solr-state.json";
public static final String STATE_FIELD = "ambari_solr_security_state";
public AbstractStateFileZkCommand(int maxRetries, int interval) {
super(maxRetries, interval);
}
public AmbariSolrState getStateFromJson(AmbariSolrCloudClient client, String fileName) throws Exception {
byte[] data = client.getSolrZkClient().getData(fileName, null, null, true);
String input = new String(data);
ObjectMapper mapper = new ObjectMapper();
JsonNode rootNode = mapper.readValue(input.getBytes(), JsonNode.class);
return AmbariSolrState.valueOf(rootNode.get(STATE_FIELD).asText());
}
}