vxquery-xtest/src/main/java/org/apache/vxquery/xtest/TestClusterUtil.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.vxquery.xtest;

import org.apache.hyracks.api.client.HyracksConnection;
import org.apache.hyracks.client.dataset.HyracksDataset;
import org.apache.vxquery.app.util.LocalClusterUtil;
import org.apache.vxquery.rest.service.VXQueryConfig;

import java.io.IOException;

public class TestClusterUtil {

    private static HyracksConnection hcc;
    private static HyracksDataset hds;

    public static final LocalClusterUtil localClusterUtil = new LocalClusterUtil();

    private TestClusterUtil() {
    }

    private static VXQueryConfig loadConfiguration(XTestOptions opts) {
        VXQueryConfig vxqConfig = new VXQueryConfig();

        vxqConfig.setAvailableProcessors(opts.threads);
        vxqConfig.setFrameSize(opts.frameSize);
        vxqConfig.setHdfsConf(opts.hdfsConf);

        return vxqConfig;
    }

    public static void startCluster(XTestOptions opts, LocalClusterUtil localClusterUtil) throws IOException {
        try {
            VXQueryConfig config = loadConfiguration(opts);
            localClusterUtil.init(config);
            hcc = (HyracksConnection) localClusterUtil.getConnection();
            hds = (HyracksDataset) localClusterUtil.getDataset();
        } catch (Exception e) {
            throw new IOException(e);
        }
    }

    public static void stopCluster(LocalClusterUtil localClusterUtil) throws IOException {
        try {
            localClusterUtil.deinit();
        } catch (Exception e) {
            throw new IOException(e);
        }
    }

    public static HyracksConnection getConnection() {
        return hcc;
    }

    public static HyracksDataset getDataset() {
        return hds;
    }

}