/*******************************************************************************
* Copyright 2011 Netflix
*
* 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.netflix.astyanax.thrift;
import com.netflix.astyanax.Serializer;
import com.netflix.astyanax.connectionpool.exceptions.BadRequestException;
import com.netflix.astyanax.connectionpool.exceptions.ConnectionAbortedException;
import com.netflix.astyanax.connectionpool.exceptions.ConnectionException;
import com.netflix.astyanax.connectionpool.exceptions.OperationTimeoutException;
import com.netflix.astyanax.connectionpool.exceptions.ThriftStateException;
import com.netflix.astyanax.connectionpool.exceptions.TimeoutException;
import com.netflix.astyanax.connectionpool.exceptions.TokenRangeOfflineException;
import com.netflix.astyanax.connectionpool.exceptions.TransportException;
import com.netflix.astyanax.connectionpool.exceptions.UnknownException;
import com.netflix.astyanax.model.ColumnFamily;
import com.netflix.astyanax.model.ColumnPath;
import com.netflix.astyanax.model.ColumnSlice;
import com.netflix.astyanax.model.ColumnType;
import com.netflix.astyanax.model.ConsistencyLevel;
import org.apache.cassandra.thrift.AuthenticationException;
import org.apache.cassandra.thrift.AuthorizationException;
import org.apache.cassandra.thrift.ColumnParent;
import org.apache.cassandra.thrift.InvalidRequestException;
import org.apache.cassandra.thrift.NotFoundException;
import org.apache.cassandra.thrift.SchemaDisagreementException;
import org.apache.cassandra.thrift.SlicePredicate;
import org.apache.cassandra.thrift.SliceRange;
import org.apache.cassandra.thrift.TimedOutException;
import org.apache.cassandra.thrift.UnavailableException;
import org.apache.thrift.TApplicationException;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TProtocolException;
import org.apache.thrift.transport.TTransportException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.SocketTimeoutException;
import java.nio.ByteBuffer;
import java.util.Iterator;
public class ThriftConverter {
private static final Logger LOGGER = LoggerFactory.getLogger(ThriftConverter.class);
/**
* Construct a Hector ColumnParent based on the information in the query and
* the type of column family being queried.
*
* @param <K>
* @param columnFamily
* @param path
* @return
* @throws BadRequestException
*/
public static <K> ColumnParent getColumnParent(ColumnFamily<?, ?> columnFamily, ColumnPath<?> path)
throws BadRequestException {
ColumnParent cp = new ColumnParent();
cp.setColumn_family(columnFamily.getName());
if (path != null) {
Iterator<ByteBuffer> columns = path.iterator();
if (columnFamily.getType() == ColumnType.SUPER && columns.hasNext()) {
cp.setSuper_column(columns.next());
}
}
return cp;
}
/**
* Construct a Thrift ColumnPath based on the information in the query and
* the type of column family being queried.
*
* @param <K>
* @param columnFamily
* @param path
* @return
* @throws NotFoundException
* @throws InvalidRequestException
* @throws TException
*/
public static <K> org.apache.cassandra.thrift.ColumnPath getColumnPath(ColumnFamily<?, ?> columnFamily,
ColumnPath<?> path) throws BadRequestException {
org.apache.cassandra.thrift.ColumnPath cp = new org.apache.cassandra.thrift.ColumnPath();
cp.setColumn_family(columnFamily.getName());
if (path != null) {
Iterator<ByteBuffer> columns = path.iterator();
if (columnFamily.getType() == ColumnType.SUPER && columns.hasNext()) {
cp.setSuper_column(columns.next());
}
if (columns.hasNext()) {
cp.setColumn(columns.next());
}
if (columns.hasNext()) {
throw new BadRequestException("Path depth of " + path.length() + " not supported for column family \'"
+ columnFamily.getName() + "\'");
}
}
return cp;
}
/**
* Return a Hector SlicePredicate based on the provided column slice
*
* @param <C>
* @param columns
* @param colSer
* @return
*/
public static <C> SlicePredicate getPredicate(ColumnSlice<C> columns, Serializer<C> colSer) {
// Get all the columns
if (columns == null) {
SlicePredicate predicate = new SlicePredicate();
predicate.setSlice_range(new SliceRange(ByteBuffer.wrap(new byte[0]), ByteBuffer.wrap(new byte[0]), false,
Integer.MAX_VALUE));
return predicate;
}
// Get a specific list of columns
if (columns.getColumns() != null) {
SlicePredicate predicate = new SlicePredicate();
predicate.setColumn_namesIsSet(true);
predicate.column_names = colSer.toBytesList(columns.getColumns());
return predicate;
}
else {
SlicePredicate predicate = new SlicePredicate();
predicate.setSlice_range(new SliceRange((columns.getStartColumn() == null) ? ByteBuffer.wrap(new byte[0])
: ByteBuffer.wrap(colSer.toBytes(columns.getStartColumn())),
(columns.getEndColumn() == null) ? ByteBuffer.wrap(new byte[0]) : ByteBuffer.wrap(colSer
.toBytes(columns.getEndColumn())), columns.getReversed(), columns.getLimit()));
return predicate;
}
}
/**
* Convert from Thrift exceptions to an internal ConnectionPoolException
*
* @param e
* @return
*/
public static ConnectionException ToConnectionPoolException(Exception e) {
if (e instanceof ConnectionException) {
return (ConnectionException) e;
}
LOGGER.debug(e.getMessage());
if (e instanceof InvalidRequestException) {
return new com.netflix.astyanax.connectionpool.exceptions.BadRequestException(e);
}
else if (e instanceof TProtocolException) {
return new com.netflix.astyanax.connectionpool.exceptions.BadRequestException(e);
}
else if (e instanceof UnavailableException) {
return new TokenRangeOfflineException(e);
}
else if (e instanceof SocketTimeoutException) {
return new TimeoutException(e);
}
else if (e instanceof TimedOutException) {
return new OperationTimeoutException(e);
}
else if (e instanceof NotFoundException) {
return new com.netflix.astyanax.connectionpool.exceptions.NotFoundException(e);
}
else if (e instanceof TApplicationException) {
return new ThriftStateException(e);
}
else if (e instanceof AuthenticationException || e instanceof AuthorizationException) {
return new com.netflix.astyanax.connectionpool.exceptions.AuthenticationException(e);
}
else if (e instanceof SchemaDisagreementException) {
return new com.netflix.astyanax.connectionpool.exceptions.SchemaDisagreementException(e);
}
else if (e instanceof TTransportException) {
if (e.getCause() != null) {
if (e.getCause() instanceof SocketTimeoutException) {
return new TimeoutException(e);
}
if (e.getCause().getMessage() != null) {
if (e.getCause().getMessage().toLowerCase().contains("connection abort")
|| e.getCause().getMessage().toLowerCase().contains("connection reset")) {
return new ConnectionAbortedException(e);
}
}
}
return new TransportException(e);
}
else {
// e.getCause().printStackTrace();
return new UnknownException(e);
}
}
public static org.apache.cassandra.thrift.ConsistencyLevel ToThriftConsistencyLevel(ConsistencyLevel cl) {
switch (cl) {
case CL_ONE:
return org.apache.cassandra.thrift.ConsistencyLevel.ONE;
case CL_QUORUM:
return org.apache.cassandra.thrift.ConsistencyLevel.QUORUM;
case CL_EACH_QUORUM:
return org.apache.cassandra.thrift.ConsistencyLevel.EACH_QUORUM;
case CL_LOCAL_QUORUM:
return org.apache.cassandra.thrift.ConsistencyLevel.LOCAL_QUORUM;
case CL_TWO:
return org.apache.cassandra.thrift.ConsistencyLevel.TWO;
case CL_THREE:
return org.apache.cassandra.thrift.ConsistencyLevel.THREE;
case CL_ALL:
return org.apache.cassandra.thrift.ConsistencyLevel.ALL;
case CL_ANY:
return org.apache.cassandra.thrift.ConsistencyLevel.ANY;
default:
return org.apache.cassandra.thrift.ConsistencyLevel.QUORUM;
}
}
}