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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * Licensed 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. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.management.internal.cli.functions;


import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.cache.CacheClosedException;
import com.gemstone.gemfire.cache.CacheFactory;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.execute.FunctionAdapter;
import com.gemstone.gemfire.cache.execute.FunctionContext;
import com.gemstone.gemfire.internal.InternalEntity;
import com.gemstone.gemfire.management.internal.cli.domain.RegionDescriptionPerMember;

public class GetRegionDescriptionFunction extends FunctionAdapter implements
		InternalEntity {


	private static final long	serialVersionUID	= 1L;

	@Override
	public void execute(FunctionContext context) {
		String regionPath  = (String) context.getArguments();
		try {
			Cache cache = CacheFactory.getAnyInstance();
			Region region = cache.getRegion(regionPath);
			
			if (region != null) {
				String memberName = cache.getDistributedSystem().getDistributedMember().getName();
				RegionDescriptionPerMember regionDescription =  new RegionDescriptionPerMember(region, memberName);
				context.getResultSender().lastResult(regionDescription);
			} else {
				context.getResultSender().lastResult(null);
			}
		} catch (CacheClosedException e) {
			context.getResultSender().sendException(e);
		} catch (Exception e) {
			context.getResultSender().sendException(e);
		}
	}

	@Override
	public String getId() {
		// TODO Auto-generated method stub
		return GetRegionDescriptionFunction.class.toString();
	}

}