geode-core/src/distributedTest/java/org/apache/geode/cache/query/dunit/GroupByPartitionedQueryDUnitTest.java

/*
 * 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.cache.query.dunit;

import org.junit.experimental.categories.Category;

import org.apache.geode.cache.Cache;
import org.apache.geode.cache.PartitionAttributesFactory;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.RegionShortcut;
import org.apache.geode.cache.query.functional.GroupByTestImpl;
import org.apache.geode.test.dunit.Host;
import org.apache.geode.test.dunit.SerializableRunnable;
import org.apache.geode.test.dunit.VM;
import org.apache.geode.test.junit.categories.OQLQueryTest;

@Category({OQLQueryTest.class})
public class GroupByPartitionedQueryDUnitTest extends GroupByDUnitImpl {

  @Override
  protected GroupByTestImpl createTestInstance() {
    Host host = Host.getHost(0);
    final VM vm0 = host.getVM(0);
    final VM vm1 = host.getVM(1);
    final VM vm2 = host.getVM(2);
    final VM vm3 = host.getVM(3);

    GroupByTestImpl test = new GroupByTestImpl() {

      @Override
      public Region createRegion(String regionName, Class valueConstraint) {
        // TODO Auto-generated method stub
        Region rgn = createAccessor(regionName, valueConstraint);
        createPR(vm1, regionName, valueConstraint);
        createPR(vm2, regionName, valueConstraint);
        createPR(vm3, regionName, valueConstraint);
        return rgn;
      }
    };
    return test;
  }

  private void createBuckets(VM vm) {
    vm.invoke(new SerializableRunnable("create accessor") {
      @Override
      public void run() {
        Cache cache = getCache();
        Region region = cache.getRegion("region");
        for (int i = 0; i < 10; i++) {
          region.put(i, i);
        }
      }
    });
  }

  private void createPR(VM vm, final String regionName, final Class valueConstraint) {
    vm.invoke(new SerializableRunnable("create data store") {
      @Override
      public void run() {
        Cache cache = getCache();
        PartitionAttributesFactory paf = new PartitionAttributesFactory();
        paf.setTotalNumBuckets(10);
        cache.createRegionFactory(RegionShortcut.PARTITION).setValueConstraint(valueConstraint)
            .setPartitionAttributes(paf.create()).create(regionName);
      }
    });
  }

  private Region createAccessor(String regionName, Class valueConstraint) {

    Cache cache = getCache();
    PartitionAttributesFactory paf = new PartitionAttributesFactory();
    paf.setTotalNumBuckets(10);
    paf.setLocalMaxMemory(0);
    return cache.createRegionFactory(RegionShortcut.PARTITION_PROXY)
        .setValueConstraint(valueConstraint).setPartitionAttributes(paf.create())
        .create(regionName);
  }


}