Examples with PutValue co.cask.cdap.data2.dataset2.lib.table.PutValue used on opensource projects

Example 1 with PutValue

use of co.cask.cdap.data2.dataset2.lib.table.PutValue in project cdap by caskdata.

the class InMemoryTableService method swap.

public static synchronized boolean swap(String tableName, byte[] row, byte[] column, byte[] oldValue, byte[] newValue) {
    ConcurrentNavigableMap<byte[], NavigableMap<byte[], NavigableMap<Long, Update>>> table = tables.get(tableName);
    // get the correct row from the table, create it if it doesn't exist
    NavigableMap<byte[], NavigableMap<Long, Update>> rowMap = table.get(row);
    Update existingValue = null;
    if (rowMap != null) {
        NavigableMap<Long, Update> columnMap = rowMap.get(column);
        if (columnMap != null) {
            existingValue = columnMap.lastEntry().getValue();
        }
    }
    // verify existing value matches
    if (oldValue == null && existingValue != null) {
        return false;
    }
    if (oldValue != null && (existingValue == null || !Bytes.equals(oldValue, existingValue.getBytes()))) {
        return false;
    }
    // write new value
    if (newValue == null) {
        if (rowMap != null) {
            rowMap.remove(column);
        }
    } else {
        if (rowMap == null) {
            rowMap = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
            table.put(row, rowMap);
        }
        NavigableMap<Long, Update> columnMap = rowMap.get(column);
        if (columnMap == null) {
            columnMap = Maps.newTreeMap();
            rowMap.put(column, columnMap);
        }
        PutValue newPut = new PutValue(newValue);
        columnMap.put(System.currentTimeMillis(), newPut);
    }
    return true;
}

Example 2 with PutValue

use of co.cask.cdap.data2.dataset2.lib.table.PutValue in project cdap by caskdata.

the class HBaseTable method persist.

@Override
protected void persist(NavigableMap<byte[], NavigableMap<byte[], Update>> updates) throws Exception {
    if (updates.isEmpty()) {
        return;
    }
    List<Mutation> mutations = new ArrayList<>();
    for (Map.Entry<byte[], NavigableMap<byte[], Update>> row : updates.entrySet()) {
        // create these only when they are needed
        PutBuilder put = null;
        PutBuilder incrementPut = null;
        IncrementBuilder increment = null;
        for (Map.Entry<byte[], Update> column : row.getValue().entrySet()) {
            // we want support tx and non-tx modes
            if (tx != null) {
                // TODO: hijacking timestamp... bad
                Update val = column.getValue();
                if (val instanceof IncrementValue) {
                    if (safeReadlessIncrements) {
                        increment = getIncrement(increment, row.getKey(), true);
                        increment.add(columnFamily, column.getKey(), tx.getWritePointer(), ((IncrementValue) val).getValue());
                    } else {
                        incrementPut = getPutForIncrement(incrementPut, row.getKey());
                        incrementPut.add(columnFamily, column.getKey(), tx.getWritePointer(), Bytes.toBytes(((IncrementValue) val).getValue()));
                    }
                } else if (val instanceof PutValue) {
                    put = getPut(put, row.getKey());
                    put.add(columnFamily, column.getKey(), tx.getWritePointer(), wrapDeleteIfNeeded(((PutValue) val).getValue()));
                }
            } else {
                Update val = column.getValue();
                if (val instanceof IncrementValue) {
                    incrementPut = getPutForIncrement(incrementPut, row.getKey());
                    incrementPut.add(columnFamily, column.getKey(), Bytes.toBytes(((IncrementValue) val).getValue()));
                } else if (val instanceof PutValue) {
                    put = getPut(put, row.getKey());
                    put.add(columnFamily, column.getKey(), ((PutValue) val).getValue());
                }
            }
        }
        if (incrementPut != null) {
            mutations.add(incrementPut.build());
        }
        if (increment != null) {
            mutations.add(increment.build());
        }
        if (put != null) {
            mutations.add(put.build());
        }
    }
    if (!hbaseFlush(mutations)) {
        LOG.info("No writes to persist!");
    }
}

Example 3 with PutValue

use of co.cask.cdap.data2.dataset2.lib.table.PutValue in project cdap by caskdata.

the class LevelDBTable method persist.

@Override
protected void persist(NavigableMap<byte[], NavigableMap<byte[], Update>> changes) throws Exception {
    persistedVersion = tx == null ? System.currentTimeMillis() : tx.getWritePointer();
    NavigableMap<byte[], NavigableMap<byte[], byte[]>> puts = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
    NavigableMap<byte[], NavigableMap<byte[], Long>> increments = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
    for (Map.Entry<byte[], NavigableMap<byte[], Update>> rowEntry : changes.entrySet()) {
        for (Map.Entry<byte[], Update> colEntry : rowEntry.getValue().entrySet()) {
            Update val = colEntry.getValue();
            if (val instanceof IncrementValue) {
                NavigableMap<byte[], Long> incrCols = increments.get(rowEntry.getKey());
                if (incrCols == null) {
                    incrCols = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
                    increments.put(rowEntry.getKey(), incrCols);
                }
                incrCols.put(colEntry.getKey(), ((IncrementValue) val).getValue());
            } else if (val instanceof PutValue) {
                NavigableMap<byte[], byte[]> putCols = puts.get(rowEntry.getKey());
                if (putCols == null) {
                    putCols = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
                    puts.put(rowEntry.getKey(), putCols);
                }
                putCols.put(colEntry.getKey(), ((PutValue) val).getValue());
            }
        }
    }
    if (!increments.isEmpty() || !puts.isEmpty()) {
        persist(increments, puts);
    }
}

Example 4 with PutValue

use of co.cask.cdap.data2.dataset2.lib.table.PutValue in project cdap by caskdata.

the class InMemoryTableServiceTest method testInternalsNotLeaking.

@Test
public void testInternalsNotLeaking() {
    // Test that there's no way to break the state of InMemoryTableService by changing parameters of update
    // methods (after method invocation) or by changing returned values "in-place"
    InMemoryTableService.create("table");
    // verify writing thru merge is guarded
    NavigableMap<byte[], NavigableMap<byte[], Update>> updates = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
    NavigableMap<byte[], Update> rowUpdate = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
    byte[] rowParam = new byte[] { 1 };
    byte[] columnParam = new byte[] { 2 };
    byte[] valParam = new byte[] { 3 };
    rowUpdate.put(columnParam, new PutValue(valParam));
    updates.put(rowParam, rowUpdate);
    InMemoryTableService.merge("table", updates, 1L);
    verify123();
    updates.remove(rowParam);
    rowUpdate.remove(columnParam);
    rowParam[0]++;
    columnParam[0]++;
    valParam[0]++;
    verify123();
    // verify changing returned data from get doesn't affect the stored data
    NavigableMap<byte[], NavigableMap<Long, byte[]>> rowFromGet = InMemoryTableService.get("table", new byte[] { 1 }, new Transaction(1L, 2L, new long[0], new long[0], 1L));
    Assert.assertEquals(1, rowFromGet.size());
    byte[] columnFromGet = rowFromGet.firstEntry().getKey();
    Assert.assertArrayEquals(new byte[] { 2 }, columnFromGet);
    byte[] valFromGet = rowFromGet.firstEntry().getValue().get(1L);
    Assert.assertArrayEquals(new byte[] { 3 }, valFromGet);
    rowFromGet.firstEntry().getValue().remove(1L);
    rowFromGet.remove(columnFromGet);
    columnFromGet[0]++;
    valFromGet[0]++;
    verify123();
    // verify changing returned data doesn't affect the stored data
    NavigableMap<byte[], NavigableMap<byte[], NavigableMap<Long, byte[]>>> fromGetRange = InMemoryTableService.getRowRange("table", null, null, new Transaction(1L, 2L, new long[0], new long[0], 1L));
    Assert.assertEquals(1, fromGetRange.size());
    byte[] keyFromGetRange = fromGetRange.firstEntry().getKey();
    Assert.assertArrayEquals(new byte[] { 1 }, keyFromGetRange);
    NavigableMap<byte[], NavigableMap<Long, byte[]>> rowFromGetRange = fromGetRange.get(new byte[] { 1 });
    Assert.assertEquals(1, rowFromGetRange.size());
    byte[] columnFromGetRange = rowFromGetRange.firstEntry().getKey();
    Assert.assertArrayEquals(new byte[] { 2 }, columnFromGetRange);
    byte[] valFromGetRange = rowFromGetRange.firstEntry().getValue().get(1L);
    Assert.assertArrayEquals(new byte[] { 3 }, valFromGetRange);
    rowFromGetRange.firstEntry().getValue().remove(1L);
    rowFromGetRange.remove(columnFromGetRange);
    fromGetRange.remove(keyFromGetRange);
    keyFromGetRange[0]++;
    columnFromGetRange[0]++;
    valFromGet[0]++;
    verify123();
}