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/*
 * Copyright 2010-2013 the original author or authors.
 *
 * 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.
 */
package org.springframework.data.gemfire;

import org.springframework.util.Assert;

import com.gemstone.gemfire.cache.CacheFactory;
import com.gemstone.gemfire.cache.DataPolicy;
import com.gemstone.gemfire.cache.RegionFactory;

/**
 * @author David Turanski
 * @author John Blum
 */
public class PartitionedRegionFactoryBean extends RegionFactoryBean {

	@Override
	protected void resolveDataPolicy(RegionFactory regionFactory, Boolean persistent, DataPolicy dataPolicy) {
		// First, verify the GemFire version is 6.5 or Higher when Persistence is specified...
		Assert.isTrue(!DataPolicy.PERSISTENT_PARTITION.equals(dataPolicy) || GemfireUtils.isGemfireVersion65OrAbove(),
			String.format("Persistent PARTITION Regions can only be used from GemFire 6.5 onwards; current version is [%1$s].",
				CacheFactory.getVersion()));

		if (dataPolicy == null) {
			dataPolicy = (isPersistent() ? DataPolicy.PERSISTENT_PARTITION : DataPolicy.PARTITION);
		}
		else {
			// Validate that the user-defined Data Policy matches the appropriate Spring GemFire XML namespace
			// configuration meta-data element for Region (i.e. )!
			Assert.isTrue(dataPolicy.withPartitioning(), String.format(
				"Data Policy '%1$s' is not supported in Partitioned Regions.", dataPolicy));
		}

		// Validate the data-policy and persistent attributes are compatible when specified!
		assertDataPolicyAndPersistentAttributesAreCompatible(dataPolicy);

		regionFactory.setDataPolicy(dataPolicy);
		setDataPolicy(dataPolicy);
	}

	@Override
	protected void resolveDataPolicy(RegionFactory regionFactory, Boolean persistent, String dataPolicy) {
		DataPolicy resolvedDataPolicy = null;

		if (dataPolicy != null) {
			resolvedDataPolicy = new DataPolicyConverter().convert(dataPolicy);
			Assert.notNull(resolvedDataPolicy, String.format("Data Policy '%1$s' is invalid.", dataPolicy));
		}

		resolveDataPolicy(regionFactory, persistent, resolvedDataPolicy);
	}

}