com.linkedin.pinot.broker.routing.TimeBoundaryServiceTest.java Source code

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Here is the source code for com.linkedin.pinot.broker.routing.TimeBoundaryServiceTest.java

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/**
 * Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
 *
 * 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 com.linkedin.pinot.broker.routing;

import com.linkedin.pinot.broker.routing.TimeBoundaryService.TimeBoundaryInfo;
import com.linkedin.pinot.common.config.TableConfig;
import com.linkedin.pinot.common.metadata.ZKMetadataProvider;
import com.linkedin.pinot.common.metadata.segment.OfflineSegmentZKMetadata;
import com.linkedin.pinot.common.utils.CommonConstants;
import com.linkedin.pinot.common.utils.CommonConstants.Segment.SegmentType;
import com.linkedin.pinot.common.utils.StringUtil;
import com.linkedin.pinot.common.utils.ZkStarter;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang.StringUtils;
import org.apache.helix.ZNRecord;
import org.apache.helix.manager.zk.ZNRecordSerializer;
import org.apache.helix.manager.zk.ZkBaseDataAccessor;
import org.apache.helix.manager.zk.ZkClient;
import org.apache.helix.model.ExternalView;
import org.apache.helix.store.zk.ZkHelixPropertyStore;
import org.testng.Assert;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

public class TimeBoundaryServiceTest {
    private ZkClient _zkClient;
    private ZkHelixPropertyStore<ZNRecord> _propertyStore;
    private ZkStarter.ZookeeperInstance _zookeeperInstance;

    @BeforeTest
    public void beforeTest() {
        _zookeeperInstance = ZkStarter.startLocalZkServer();

        _zkClient = new ZkClient(StringUtil.join("/", StringUtils.chomp(ZkStarter.DEFAULT_ZK_STR, "/")),
                ZkClient.DEFAULT_SESSION_TIMEOUT, ZkClient.DEFAULT_CONNECTION_TIMEOUT, new ZNRecordSerializer());
        String helixClusterName = "TestTimeBoundaryService";
        _zkClient.deleteRecursive("/" + helixClusterName + "/PROPERTYSTORE");
        _zkClient.createPersistent("/" + helixClusterName + "/PROPERTYSTORE", true);
        _propertyStore = new ZkHelixPropertyStore<>(new ZkBaseDataAccessor<ZNRecord>(_zkClient),
                "/" + helixClusterName + "/PROPERTYSTORE", null);
    }

    @AfterTest
    public void afterTest() {
        _zkClient.close();
        ZkStarter.stopLocalZkServer(_zookeeperInstance);
    }

    @Test
    public void testExternalViewBasedTimeBoundaryService() throws Exception {
        addingTableToPropertyStore("testResource0");
        addingTableToPropertyStore("testResource1");
        HelixExternalViewBasedTimeBoundaryService tbs = new HelixExternalViewBasedTimeBoundaryService(
                _propertyStore);
        addingSegmentsToPropertyStore(5, "testResource0");
        ExternalView externalView = constructExternalView("testResource0");

        tbs.updateTimeBoundaryService(externalView);
        TimeBoundaryInfo tbi = tbs.getTimeBoundaryInfoFor("testResource0");
        Assert.assertEquals(tbi.getTimeColumn(), "timestamp");
        Assert.assertEquals(tbi.getTimeValue(), "4");

        addingSegmentsToPropertyStore(50, "testResource1");
        externalView = constructExternalView("testResource1");
        tbs.updateTimeBoundaryService(externalView);
        tbi = tbs.getTimeBoundaryInfoFor("testResource1");
        Assert.assertEquals(tbi.getTimeColumn(), "timestamp");
        Assert.assertEquals(tbi.getTimeValue(), "49");

        addingSegmentsToPropertyStore(50, "testResource0");
        externalView = constructExternalView("testResource0");
        tbs.updateTimeBoundaryService(externalView);
        tbi = tbs.getTimeBoundaryInfoFor("testResource0");
        Assert.assertEquals(tbi.getTimeColumn(), "timestamp");
        Assert.assertEquals(tbi.getTimeValue(), "49");
    }

    private ExternalView constructExternalView(String tableName) {
        ExternalView externalView = new ExternalView(tableName);
        List<OfflineSegmentZKMetadata> offlineResourceZKMetadataListForResource = ZKMetadataProvider
                .getOfflineSegmentZKMetadataListForTable(_propertyStore, tableName);
        for (OfflineSegmentZKMetadata segmentMetadata : offlineResourceZKMetadataListForResource) {
            externalView.setState(segmentMetadata.getSegmentName(), "localhost", "ONLINE");
        }
        return externalView;
    }

    private void addingSegmentsToPropertyStore(int numSegments, String tableName) {
        for (int i = 0; i < numSegments; ++i) {
            OfflineSegmentZKMetadata offlineSegmentZKMetadata = new OfflineSegmentZKMetadata();
            offlineSegmentZKMetadata.setSegmentName(tableName + "_" + System.currentTimeMillis() + "_" + i);
            offlineSegmentZKMetadata.setTableName(tableName);
            offlineSegmentZKMetadata.setStartTime(i - 1);
            offlineSegmentZKMetadata.setEndTime(i);
            offlineSegmentZKMetadata.setTimeUnit(TimeUnit.DAYS);
            offlineSegmentZKMetadata.setCrc(-1);
            offlineSegmentZKMetadata.setCreationTime(-1);
            offlineSegmentZKMetadata.setIndexVersion("0");
            offlineSegmentZKMetadata.setPushTime(i + 5);
            offlineSegmentZKMetadata.setSegmentType(SegmentType.OFFLINE);
            ZKMetadataProvider.setOfflineSegmentZKMetadata(_propertyStore, offlineSegmentZKMetadata);
        }
    }

    private void addingTableToPropertyStore(String tableName) throws Exception {
        TableConfig tableConfig = new TableConfig.Builder(CommonConstants.Helix.TableType.OFFLINE)
                .setTableName(tableName).setTimeColumnName("timestamp").setTimeType("DAYS").build();
        ZKMetadataProvider.setOfflineTableConfig(_propertyStore, tableConfig.getTableName(),
                TableConfig.toZnRecord(tableConfig));
    }
}