Examples with TColumn org.apache.hadoop.hbase.thrift2.generated.TColumn used on opensource projects

Example 1 with TColumn

use of org.apache.hadoop.hbase.thrift2.generated.TColumn in project hbase by apache.

the class TestThriftHBaseServiceHandler method testScanWithBatchSize.

@Test
public void testScanWithBatchSize() throws Exception {
    ThriftHBaseServiceHandler handler = createHandler();
    ByteBuffer table = wrap(tableAname);
    // insert data
    List<TColumnValue> columnValues = new ArrayList<>(100);
    for (int i = 0; i < 100; i++) {
        String colNum = pad(i, (byte) 3);
        TColumnValue columnValue = new TColumnValue(wrap(familyAname), wrap(Bytes.toBytes("col" + colNum)), wrap(Bytes.toBytes("val" + colNum)));
        columnValues.add(columnValue);
    }
    TPut put = new TPut(wrap(Bytes.toBytes("testScanWithBatchSize")), columnValues);
    handler.put(table, put);
    // create scan instance
    TScan scan = new TScan();
    List<TColumn> columns = new ArrayList<>(1);
    TColumn column = new TColumn();
    column.setFamily(familyAname);
    columns.add(column);
    scan.setColumns(columns);
    scan.setStartRow(Bytes.toBytes("testScanWithBatchSize"));
    scan.setStopRow(Bytes.toBytes("testScanWithBatchSize\uffff"));
    // set batch size to 10 columns per call
    scan.setBatchSize(10);
    // get scanner
    int scanId = handler.openScanner(table, scan);
    List<TResult> results = null;
    for (int i = 0; i < 10; i++) {
        // get batch for single row (10x10 is what we expect)
        results = handler.getScannerRows(scanId, 1);
        assertEquals(1, results.size());
        // check length of batch
        List<TColumnValue> cols = results.get(0).getColumnValues();
        assertEquals(10, cols.size());
        // check if the columns are returned and in order
        for (int y = 0; y < 10; y++) {
            int colNum = y + (10 * i);
            String colNumPad = pad(colNum, (byte) 3);
            assertArrayEquals(Bytes.toBytes("col" + colNumPad), cols.get(y).getQualifier());
        }
    }
    // check that we are at the end of the scan
    results = handler.getScannerRows(scanId, 1);
    assertEquals(0, results.size());
    // close scanner and check that it was indeed closed
    handler.closeScanner(scanId);
    try {
        handler.getScannerRows(scanId, 1);
        fail("Scanner id should be invalid");
    } catch (TIllegalArgument e) {
    }
}

Example 2 with TColumn

use of org.apache.hadoop.hbase.thrift2.generated.TColumn in project hbase by apache.

the class TestThriftHBaseServiceHandler method testGetScannerResults.

@Test
public void testGetScannerResults() throws Exception {
    ThriftHBaseServiceHandler handler = createHandler();
    ByteBuffer table = wrap(tableAname);
    // insert data
    TColumnValue columnValue = new TColumnValue(wrap(familyAname), wrap(qualifierAname), wrap(valueAname));
    List<TColumnValue> columnValues = new ArrayList<>(1);
    columnValues.add(columnValue);
    for (int i = 0; i < 20; i++) {
        TPut put = new TPut(wrap(Bytes.toBytes("testGetScannerResults" + pad(i, (byte) 2))), columnValues);
        handler.put(table, put);
    }
    // create scan instance
    TScan scan = new TScan();
    List<TColumn> columns = new ArrayList<>(1);
    TColumn column = new TColumn();
    column.setFamily(familyAname);
    column.setQualifier(qualifierAname);
    columns.add(column);
    scan.setColumns(columns);
    scan.setStartRow(Bytes.toBytes("testGetScannerResults"));
    // get 5 rows and check the returned results
    scan.setStopRow(Bytes.toBytes("testGetScannerResults05"));
    List<TResult> results = handler.getScannerResults(table, scan, 5);
    assertEquals(5, results.size());
    for (int i = 0; i < 5; i++) {
        // check if the rows are returned and in order
        assertArrayEquals(Bytes.toBytes("testGetScannerResults" + pad(i, (byte) 2)), results.get(i).getRow());
    }
    // get 10 rows and check the returned results
    scan.setStopRow(Bytes.toBytes("testGetScannerResults10"));
    results = handler.getScannerResults(table, scan, 10);
    assertEquals(10, results.size());
    for (int i = 0; i < 10; i++) {
        // check if the rows are returned and in order
        assertArrayEquals(Bytes.toBytes("testGetScannerResults" + pad(i, (byte) 2)), results.get(i).getRow());
    }
    // get 20 rows and check the returned results
    scan.setStopRow(Bytes.toBytes("testGetScannerResults20"));
    results = handler.getScannerResults(table, scan, 20);
    assertEquals(20, results.size());
    for (int i = 0; i < 20; i++) {
        // check if the rows are returned and in order
        assertArrayEquals(Bytes.toBytes("testGetScannerResults" + pad(i, (byte) 2)), results.get(i).getRow());
    }
    // reverse scan
    scan = new TScan();
    scan.setColumns(columns);
    scan.setReversed(true);
    scan.setStartRow(Bytes.toBytes("testGetScannerResults20"));
    scan.setStopRow(Bytes.toBytes("testGetScannerResults"));
    results = handler.getScannerResults(table, scan, 20);
    assertEquals(20, results.size());
    for (int i = 0; i < 20; i++) {
        // check if the rows are returned and in order
        assertArrayEquals(Bytes.toBytes("testGetScannerResults" + pad(19 - i, (byte) 2)), results.get(i).getRow());
    }
}

Example 3 with TColumn

use of org.apache.hadoop.hbase.thrift2.generated.TColumn in project hbase by apache.

the class TestThriftHBaseServiceHandler method testScanWithFilter.

@Test
public void testScanWithFilter() throws Exception {
    ThriftHBaseServiceHandler handler = createHandler();
    ByteBuffer table = wrap(tableAname);
    // insert data
    TColumnValue columnValue = new TColumnValue(wrap(familyAname), wrap(qualifierAname), wrap(valueAname));
    List<TColumnValue> columnValues = new ArrayList<>(1);
    columnValues.add(columnValue);
    for (int i = 0; i < 10; i++) {
        TPut put = new TPut(wrap(Bytes.toBytes("testScanWithFilter" + i)), columnValues);
        handler.put(table, put);
    }
    // create scan instance with filter
    TScan scan = new TScan();
    List<TColumn> columns = new ArrayList<>(1);
    TColumn column = new TColumn();
    column.setFamily(familyAname);
    column.setQualifier(qualifierAname);
    columns.add(column);
    scan.setColumns(columns);
    scan.setStartRow(Bytes.toBytes("testScanWithFilter"));
    scan.setStopRow(Bytes.toBytes("testScanWithFilter\uffff"));
    // only get the key part
    scan.setFilterString(wrap(Bytes.toBytes("KeyOnlyFilter()")));
    // get scanner and rows
    int scanId = handler.openScanner(table, scan);
    List<TResult> results = handler.getScannerRows(scanId, 10);
    assertEquals(10, results.size());
    for (int i = 0; i < 10; i++) {
        // check if the rows are returned and in order
        assertArrayEquals(Bytes.toBytes("testScanWithFilter" + i), results.get(i).getRow());
        // check that the value is indeed stripped by the filter
        assertEquals(0, results.get(i).getColumnValues().get(0).getValue().length);
    }
    // check that we are at the end of the scan
    results = handler.getScannerRows(scanId, 10);
    assertEquals(0, results.size());
    // close scanner and check that it was indeed closed
    handler.closeScanner(scanId);
    try {
        handler.getScannerRows(scanId, 10);
        fail("Scanner id should be invalid");
    } catch (TIllegalArgument e) {
    }
}

Example 4 with TColumn

use of org.apache.hadoop.hbase.thrift2.generated.TColumn in project hbase by apache.

the class TestThriftHBaseServiceHandler method testDeleteFamily.

@Test
public void testDeleteFamily() throws Exception {
    ThriftHBaseServiceHandler handler = createHandler();
    byte[] rowName = Bytes.toBytes("testDeleteFamily");
    ByteBuffer table = wrap(tableAname);
    long timestamp1 = EnvironmentEdgeManager.currentTime() - 10;
    long timestamp2 = EnvironmentEdgeManager.currentTime();
    List<TColumnValue> columnValues = new ArrayList<>();
    TColumnValue columnValueA = new TColumnValue(wrap(familyAname), wrap(qualifierAname), wrap(valueAname));
    columnValueA.setTimestamp(timestamp1);
    columnValues.add(columnValueA);
    TPut put = new TPut(wrap(rowName), columnValues);
    put.setColumnValues(columnValues);
    handler.put(table, put);
    columnValueA.setTimestamp(timestamp2);
    handler.put(table, put);
    TGet get = new TGet(wrap(rowName));
    get.setMaxVersions(2);
    TResult result = handler.get(table, get);
    assertEquals(2, result.getColumnValuesSize());
    TDelete delete = new TDelete(wrap(rowName));
    List<TColumn> deleteColumns = new ArrayList<>();
    TColumn deleteColumn = new TColumn(wrap(familyAname));
    deleteColumns.add(deleteColumn);
    delete.setColumns(deleteColumns);
    delete.setDeleteType(TDeleteType.DELETE_FAMILY);
    handler.deleteSingle(table, delete);
    get = new TGet(wrap(rowName));
    result = handler.get(table, get);
    assertArrayEquals(null, result.getRow());
    assertEquals(0, result.getColumnValuesSize());
}

Example 5 with TColumn

use of org.apache.hadoop.hbase.thrift2.generated.TColumn in project hbase by apache.

the class TestThriftHBaseServiceHandler method testDelete.

@Test
public void testDelete() throws Exception {
    ThriftHBaseServiceHandler handler = createHandler();
    byte[] rowName = Bytes.toBytes("testDelete");
    ByteBuffer table = wrap(tableAname);
    List<TColumnValue> columnValues = new ArrayList<>(2);
    TColumnValue columnValueA = new TColumnValue(wrap(familyAname), wrap(qualifierAname), wrap(valueAname));
    TColumnValue columnValueB = new TColumnValue(wrap(familyBname), wrap(qualifierBname), wrap(valueBname));
    columnValues.add(columnValueA);
    columnValues.add(columnValueB);
    TPut put = new TPut(wrap(rowName), columnValues);
    put.setColumnValues(columnValues);
    handler.put(table, put);
    TDelete delete = new TDelete(wrap(rowName));
    List<TColumn> deleteColumns = new ArrayList<>(1);
    TColumn deleteColumn = new TColumn(wrap(familyAname));
    deleteColumn.setQualifier(qualifierAname);
    deleteColumns.add(deleteColumn);
    delete.setColumns(deleteColumns);
    handler.deleteSingle(table, delete);
    TGet get = new TGet(wrap(rowName));
    TResult result = handler.get(table, get);
    assertArrayEquals(rowName, result.getRow());
    List<TColumnValue> returnedColumnValues = result.getColumnValues();
    List<TColumnValue> expectedColumnValues = new ArrayList<>(1);
    expectedColumnValues.add(columnValueB);
    assertTColumnValuesEqual(expectedColumnValues, returnedColumnValues);
}