AlterRuntimeConfigFunction.java example

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/*
 * 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.geode.management.internal.cli.functions;

import org.apache.geode.cache.Cache;
import org.apache.geode.cache.CacheClosedException;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.cache.execute.FunctionAdapter;
import org.apache.geode.cache.execute.FunctionContext;
import org.apache.geode.distributed.internal.DistributionConfig;
import org.apache.geode.internal.ConfigSource;
import org.apache.geode.internal.InternalEntity;
import org.apache.geode.internal.cache.GemFireCacheImpl;
import org.apache.geode.management.internal.cli.CliUtil;
import org.apache.geode.management.internal.cli.i18n.CliStrings;

import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

/****
 * 
 *
 */
public class AlterRuntimeConfigFunction extends FunctionAdapter implements InternalEntity {

  private static final long serialVersionUID = 1L;

  @Override
  public void execute(FunctionContext context) {
    String memberId = "";

    try {
      Object arg = context.getArguments();
      Cache trueCache = null;
      GemFireCacheImpl cache = (GemFireCacheImpl) CacheFactory.getAnyInstance();
      DistributionConfig config = cache.getSystem().getConfig();
      memberId = cache.getDistributedSystem().getDistributedMember().getId();

      Map<String, String> runtimeAttributes = (Map<String, String>) arg;
      Set<Entry<String, String>> entries = runtimeAttributes.entrySet();

      for (Entry<String, String> entry : entries) {
        String attributeName = entry.getKey();
        String attributeValue = entry.getValue();

        if (attributeName.equals(CliStrings.ALTER_RUNTIME_CONFIG__COPY__ON__READ)) {
          cache.setCopyOnRead(Boolean.parseBoolean(attributeValue));
        } else if (attributeName.equals(CliStrings.ALTER_RUNTIME_CONFIG__LOCK__LEASE)) {
          cache.setLockLease(Integer.parseInt(attributeValue));
        } else if (attributeName.equals(CliStrings.ALTER_RUNTIME_CONFIG__LOCK__TIMEOUT)) {
          int lockTimeout = Integer.parseInt(attributeValue);
          cache.setLockTimeout(lockTimeout);
        } else if (attributeName.equals(CliStrings.ALTER_RUNTIME_CONFIG__SEARCH__TIMEOUT)) {
          cache.setSearchTimeout(Integer.parseInt(attributeValue));
        } else if (attributeName.equals(CliStrings.ALTER_RUNTIME_CONFIG__MESSAGE__SYNC__INTERVAL)) {
          cache.setMessageSyncInterval(Integer.parseInt(attributeValue));
        } else {
          config.setAttribute(attributeName, attributeValue, ConfigSource.runtime());
        }
      }

      CliFunctionResult cliFuncResult = new CliFunctionResult(memberId, true, null);
      context.getResultSender().lastResult(cliFuncResult);

    } catch (CacheClosedException cce) {
      CliFunctionResult result = new CliFunctionResult(memberId, false, null);
      context.getResultSender().lastResult(result);

    } catch (Exception e) {
      CliFunctionResult cliFuncResult =
          new CliFunctionResult(memberId, e, CliUtil.stackTraceAsString(e));
      context.getResultSender().lastResult(cliFuncResult);
    }
  }

  @Override
  public String getId() {
    return AlterRuntimeConfigFunction.class.getName();
  }
}