/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cassandra.thrift;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.cassandra.db.WriteType;
import org.apache.cassandra.exceptions.RequestExecutionException;
import org.apache.cassandra.exceptions.RequestTimeoutException;
import org.apache.cassandra.exceptions.RequestValidationException;
import org.apache.cassandra.exceptions.WriteTimeoutException;
/**
* Static utility methods to convert internal structure to and from thrift ones.
*/
public class ThriftConversion
{
public static org.apache.cassandra.db.ConsistencyLevel fromThrift(ConsistencyLevel cl)
{
switch (cl)
{
case ANY: return org.apache.cassandra.db.ConsistencyLevel.ANY;
case ONE: return org.apache.cassandra.db.ConsistencyLevel.ONE;
case TWO: return org.apache.cassandra.db.ConsistencyLevel.TWO;
case THREE: return org.apache.cassandra.db.ConsistencyLevel.THREE;
case QUORUM: return org.apache.cassandra.db.ConsistencyLevel.QUORUM;
case ALL: return org.apache.cassandra.db.ConsistencyLevel.ALL;
case LOCAL_QUORUM: return org.apache.cassandra.db.ConsistencyLevel.LOCAL_QUORUM;
case EACH_QUORUM: return org.apache.cassandra.db.ConsistencyLevel.EACH_QUORUM;
case SERIAL: return org.apache.cassandra.db.ConsistencyLevel.SERIAL;
case LOCAL_SERIAL: return org.apache.cassandra.db.ConsistencyLevel.LOCAL_SERIAL;
case LOCAL_ONE: return org.apache.cassandra.db.ConsistencyLevel.LOCAL_ONE;
}
throw new AssertionError();
}
// We never return, but returning a RuntimeException allows to write "throw rethrow(e)" without java complaining
// for methods that have a return value.
public static RuntimeException rethrow(RequestExecutionException e) throws UnavailableException, TimedOutException
{
if (e instanceof RequestTimeoutException)
throw toThrift((RequestTimeoutException)e);
else
throw new UnavailableException();
}
public static InvalidRequestException toThrift(RequestValidationException e)
{
return new InvalidRequestException(e.getMessage());
}
public static UnavailableException toThrift(org.apache.cassandra.exceptions.UnavailableException e)
{
return new UnavailableException();
}
public static AuthenticationException toThrift(org.apache.cassandra.exceptions.AuthenticationException e)
{
return new AuthenticationException(e.getMessage());
}
public static TimedOutException toThrift(RequestTimeoutException e)
{
TimedOutException toe = new TimedOutException();
if (e instanceof WriteTimeoutException)
{
WriteTimeoutException wte = (WriteTimeoutException)e;
toe.setAcknowledged_by(wte.received);
if (wte.writeType == WriteType.BATCH_LOG)
toe.setAcknowledged_by_batchlog(false);
else if (wte.writeType == WriteType.BATCH)
toe.setAcknowledged_by_batchlog(true);
else if (wte.writeType == WriteType.CAS)
toe.setPaxos_in_progress(true);
}
return toe;
}
public static List<org.apache.cassandra.db.IndexExpression> fromThrift(List<IndexExpression> exprs)
{
if (exprs == null)
return null;
if (exprs.isEmpty())
return Collections.emptyList();
List<org.apache.cassandra.db.IndexExpression> converted = new ArrayList<>(exprs.size());
for (IndexExpression expr : exprs)
{
converted.add(new org.apache.cassandra.db.IndexExpression(expr.column_name,
org.apache.cassandra.db.IndexExpression.Operator.findByOrdinal(expr.op.getValue()),
expr.value));
}
return converted;
}
}