Examples with DataOutput java.io.DataOutput used on opensource projects

Example 66 with DataOutput

use of java.io.DataOutput in project phoenix by apache.

the class IndexMaintainer method getViewIndexIdFromIndexRowKey.

/*
     * return the view index id from the index row key
     */
public byte[] getViewIndexIdFromIndexRowKey(ImmutableBytesWritable indexRowKeyPtr) {
    assert (isLocalIndex);
    RowKeySchema indexRowKeySchema = getIndexRowKeySchema();
    // TODO add logic to skip region start key as well because we cannot find the region startkey in indexhalfstorefilereader.
    ImmutableBytesWritable ptr = new ImmutableBytesWritable();
    TrustedByteArrayOutputStream stream = new TrustedByteArrayOutputStream(estimatedIndexRowKeyBytes);
    DataOutput output = new DataOutputStream(stream);
    try {
        int indexPosOffset = (!isLocalIndex && nIndexSaltBuckets > 0 ? 1 : 0) + (isMultiTenant ? 1 : 0) + (viewIndexId == null ? 0 : 1);
        Boolean hasValue = indexRowKeySchema.iterator(indexRowKeyPtr, ptr, indexPosOffset);
        if (Boolean.TRUE.equals(hasValue)) {
            output.write(ptr.get(), ptr.getOffset(), ptr.getLength());
        }
        int length = stream.size();
        byte[] dataRowKey = stream.getBuffer();
        return dataRowKey.length == length ? dataRowKey : Arrays.copyOf(dataRowKey, length);
    } catch (IOException e) {
        // Impossible
        throw new RuntimeException(e);
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
            // Impossible
            throw new RuntimeException(e);
        }
    }
}

Example 67 with DataOutput

use of java.io.DataOutput in project phoenix by apache.

the class IndexMaintainer method buildRowKey.

public byte[] buildRowKey(ValueGetter valueGetter, ImmutableBytesWritable rowKeyPtr, byte[] regionStartKey, byte[] regionEndKey) {
    ImmutableBytesWritable ptr = new ImmutableBytesWritable();
    boolean prependRegionStartKey = isLocalIndex && regionStartKey != null;
    boolean isIndexSalted = !isLocalIndex && nIndexSaltBuckets > 0;
    int prefixKeyLength = prependRegionStartKey ? (regionStartKey.length != 0 ? regionStartKey.length : regionEndKey.length) : 0;
    TrustedByteArrayOutputStream stream = new TrustedByteArrayOutputStream(estimatedIndexRowKeyBytes + (prependRegionStartKey ? prefixKeyLength : 0));
    DataOutput output = new DataOutputStream(stream);
    try {
        // For local indexes, we must prepend the row key with the start region key
        if (prependRegionStartKey) {
            if (regionStartKey.length == 0) {
                output.write(new byte[prefixKeyLength]);
            } else {
                output.write(regionStartKey);
            }
        }
        if (isIndexSalted) {
            // will be set at end to index salt byte
            output.write(0);
        }
        // The dataRowKeySchema includes the salt byte field,
        // so we must adjust for that here.
        int dataPosOffset = isDataTableSalted ? 1 : 0;
        BitSet viewConstantColumnBitSet = this.rowKeyMetaData.getViewConstantColumnBitSet();
        int nIndexedColumns = getIndexPkColumnCount() - getNumViewConstants();
        int[][] dataRowKeyLocator = new int[2][nIndexedColumns];
        // Skip data table salt byte
        int maxRowKeyOffset = rowKeyPtr.getOffset() + rowKeyPtr.getLength();
        dataRowKeySchema.iterator(rowKeyPtr, ptr, dataPosOffset);
        if (viewIndexId != null) {
            output.write(viewIndexId);
        }
        if (isMultiTenant) {
            dataRowKeySchema.next(ptr, dataPosOffset, maxRowKeyOffset);
            output.write(ptr.get(), ptr.getOffset(), ptr.getLength());
            if (!dataRowKeySchema.getField(dataPosOffset).getDataType().isFixedWidth()) {
                output.writeByte(SchemaUtil.getSeparatorByte(rowKeyOrderOptimizable, ptr.getLength() == 0, dataRowKeySchema.getField(dataPosOffset)));
            }
            dataPosOffset++;
        }
        // Write index row key
        for (int i = dataPosOffset; i < dataRowKeySchema.getFieldCount(); i++) {
            Boolean hasValue = dataRowKeySchema.next(ptr, i, maxRowKeyOffset);
            // same for all rows in this index)
            if (!viewConstantColumnBitSet.get(i)) {
                int pos = rowKeyMetaData.getIndexPkPosition(i - dataPosOffset);
                if (Boolean.TRUE.equals(hasValue)) {
                    dataRowKeyLocator[0][pos] = ptr.getOffset();
                    dataRowKeyLocator[1][pos] = ptr.getLength();
                } else {
                    dataRowKeyLocator[0][pos] = 0;
                    dataRowKeyLocator[1][pos] = 0;
                }
            }
        }
        BitSet descIndexColumnBitSet = rowKeyMetaData.getDescIndexColumnBitSet();
        Iterator<Expression> expressionIterator = indexedExpressions.iterator();
        for (int i = 0; i < nIndexedColumns; i++) {
            PDataType dataColumnType;
            boolean isNullable;
            SortOrder dataSortOrder;
            if (dataPkPosition[i] == EXPRESSION_NOT_PRESENT) {
                Expression expression = expressionIterator.next();
                dataColumnType = expression.getDataType();
                dataSortOrder = expression.getSortOrder();
                isNullable = expression.isNullable();
                expression.evaluate(new ValueGetterTuple(valueGetter), ptr);
            } else {
                Field field = dataRowKeySchema.getField(dataPkPosition[i]);
                dataColumnType = field.getDataType();
                ptr.set(rowKeyPtr.get(), dataRowKeyLocator[0][i], dataRowKeyLocator[1][i]);
                dataSortOrder = field.getSortOrder();
                isNullable = field.isNullable();
            }
            boolean isDataColumnInverted = dataSortOrder != SortOrder.ASC;
            PDataType indexColumnType = IndexUtil.getIndexColumnDataType(isNullable, dataColumnType);
            boolean isBytesComparable = dataColumnType.isBytesComparableWith(indexColumnType);
            boolean isIndexColumnDesc = descIndexColumnBitSet.get(i);
            if (isBytesComparable && isDataColumnInverted == isIndexColumnDesc) {
                output.write(ptr.get(), ptr.getOffset(), ptr.getLength());
            } else {
                if (!isBytesComparable) {
                    indexColumnType.coerceBytes(ptr, dataColumnType, dataSortOrder, SortOrder.getDefault());
                }
                if (isDataColumnInverted != isIndexColumnDesc) {
                    writeInverted(ptr.get(), ptr.getOffset(), ptr.getLength(), output);
                } else {
                    output.write(ptr.get(), ptr.getOffset(), ptr.getLength());
                }
            }
            if (!indexColumnType.isFixedWidth()) {
                output.writeByte(SchemaUtil.getSeparatorByte(rowKeyOrderOptimizable, ptr.getLength() == 0, isIndexColumnDesc ? SortOrder.DESC : SortOrder.ASC));
            }
        }
        int length = stream.size();
        int minLength = length - maxTrailingNulls;
        byte[] indexRowKey = stream.getBuffer();
        // Remove trailing nulls
        while (length > minLength && indexRowKey[length - 1] == QueryConstants.SEPARATOR_BYTE) {
            length--;
        }
        if (isIndexSalted) {
            // Set salt byte
            byte saltByte = SaltingUtil.getSaltingByte(indexRowKey, SaltingUtil.NUM_SALTING_BYTES, length - SaltingUtil.NUM_SALTING_BYTES, nIndexSaltBuckets);
            indexRowKey[0] = saltByte;
        }
        return indexRowKey.length == length ? indexRowKey : Arrays.copyOf(indexRowKey, length);
    } catch (IOException e) {
        // Impossible
        throw new RuntimeException(e);
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
            // Impossible
            throw new RuntimeException(e);
        }
    }
}

Example 68 with DataOutput

use of java.io.DataOutput in project geode by apache.

the class AbstractStoredObjectTestBase method sendToShouldWriteSerializedValueToDataOutput.

@Test
public void sendToShouldWriteSerializedValueToDataOutput() throws IOException {
    Object regionEntryValue = getValue();
    StoredObject storedObject = createValueAsSerializedStoredObject(regionEntryValue);
    DataOutput dataOutput = mock(DataOutput.class);
    storedObject.sendTo(dataOutput);
    verify(dataOutput, times(1)).write(storedObject.getSerializedValue());
}

Example 69 with DataOutput

use of java.io.DataOutput in project geode by apache.

the class AbstractStoredObjectTestBase method sendAsCachedDeserializableShouldThrowExceptionIfValueIsNotSerialized.

@Test(expected = IllegalStateException.class)
public void sendAsCachedDeserializableShouldThrowExceptionIfValueIsNotSerialized() throws IOException {
    Object regionEntryValue = getValue();
    StoredObject storedObject = createValueAsUnserializedStoredObject(regionEntryValue);
    DataOutput dataOutput = mock(DataOutput.class);
    storedObject.sendAsCachedDeserializable(dataOutput);
}

Example 70 with DataOutput

use of java.io.DataOutput in project geode by apache.

the class AbstractStoredObjectTestBase method writeValueAsByteArrayWritesToProvidedDataOutput.

@Test
public void writeValueAsByteArrayWritesToProvidedDataOutput() throws IOException {
    byte[] regionEntryValue = getValueAsByteArray();
    StoredObject storedObject = createValueAsSerializedStoredObject(regionEntryValue);
    DataOutput dataOutput = mock(DataOutput.class);
    storedObject.writeValueAsByteArray(dataOutput);
    verify(dataOutput, times(1)).write(storedObject.getSerializedValue(), 0, storedObject.getSerializedValue().length);
}