Example usage for org.apache.hadoop.yarn.event AsyncDispatcher stop

Introduction

In this page you can find the example usage for org.apache.hadoop.yarn.event AsyncDispatcher stop.

Prototype

@Override
public void stop() 

Source Link

Usage

From source file:org.apache.tajo.engine.plan.global.TestGlobalQueryPlanner.java

License:Apache License

@BeforeClass
public static void setup() throws Exception {
    util = new TajoTestingCluster();
    util.startCatalogCluster();/*from www  . ja va2 s. c o m*/

    int i, j;

    schema = new Schema();
    schema.addColumn("id", Type.INT4);
    schema.addColumn("age", Type.INT4);
    schema.addColumn("name", Type.TEXT);
    schema.addColumn("salary", Type.INT4);

    TableMeta meta;

    conf = new TajoConf(util.getConfiguration());
    catalog = util.getMiniCatalogCluster().getCatalog();
    for (FunctionDesc funcDesc : TajoMaster.initBuiltinFunctions()) {
        catalog.registerFunction(funcDesc);
    }

    sm = new StorageManager(util.getConfiguration());
    FunctionDesc funcDesc = new FunctionDesc("sumtest", TestSum.class, FunctionType.GENERAL,
            CatalogUtil.newDataTypesWithoutLen(Type.INT4), CatalogUtil.newDataTypesWithoutLen(Type.INT4));
    catalog.registerFunction(funcDesc);
    FileSystem fs = sm.getFileSystem();

    AsyncDispatcher dispatcher = new AsyncDispatcher();
    dispatcher.init(conf);
    dispatcher.start();

    planner = new GlobalPlanner(conf, catalog, new StorageManager(conf), dispatcher.getEventHandler());
    analyzer = new QueryAnalyzer(catalog);
    logicalPlanner = new LogicalPlanner(catalog);

    int tbNum = 2;
    int tupleNum;
    Appender appender;
    Tuple t = new VTuple(4);
    t.put(new Datum[] { DatumFactory.createInt4(1), DatumFactory.createInt4(32), DatumFactory.createText("h"),
            DatumFactory.createInt4(10) });

    for (i = 0; i < tbNum; i++) {
        meta = CatalogUtil.newTableMeta((Schema) schema.clone(), StoreType.CSV);
        meta.putOption(CSVFile.DELIMITER, ",");

        Path dataRoot = sm.getBaseDir();
        Path tablePath = StorageUtil.concatPath(dataRoot, "table" + i, "file.csv");
        if (fs.exists(tablePath.getParent())) {
            fs.delete(tablePath.getParent(), true);
        }
        fs.mkdirs(tablePath.getParent());
        appender = StorageManager.getAppender(conf, meta, tablePath);
        appender.init();
        tupleNum = 100;
        for (j = 0; j < tupleNum; j++) {
            appender.addTuple(t);
        }
        appender.close();

        TableDesc desc = CatalogUtil.newTableDesc("table" + i, (TableMeta) meta.clone(), tablePath);
        catalog.addTable(desc);
    }

    QueryIdFactory.reset();
    queryId = QueryIdFactory.newQueryId();
    dispatcher.stop();
}

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