content: /*
   * 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.distributed.impl;
  
  import java.nio.ByteBuffer;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.cassandra.cql3.CQLStatement;
  import org.apache.cassandra.cql3.QueryOptions;
  import org.apache.cassandra.cql3.QueryProcessor;
  import org.apache.cassandra.db.ConsistencyLevel;
  import org.apache.cassandra.distributed.api.IIsolatedExecutor;
  import org.apache.cassandra.distributed.api.SimpleQueryResult;
  import org.apache.cassandra.service.ClientState;
  import org.apache.cassandra.service.ClientWarn;
  import org.apache.cassandra.service.QueryState;
  import org.apache.cassandra.transport.Dispatcher;
  import org.apache.cassandra.transport.ProtocolVersion;
  import org.apache.cassandra.transport.messages.ResultMessage;
  import org.apache.cassandra.utils.ByteBufferUtil;
  import org.apache.cassandra.utils.FBUtilities;
  
  public class Query implements IIsolatedExecutor.SerializableCallable<SimpleQueryResult>
  {
      private static final long serialVersionUID = 1L;
  
      public final String query;
      final long timestamp;
      final boolean deserializeResult;
      final org.apache.cassandra.distributed.api.ConsistencyLevel commitConsistencyOrigin;
      final org.apache.cassandra.distributed.api.ConsistencyLevel serialConsistencyOrigin;
      public final Object[] boundValues;
  
      public Query(String query, long timestamp, org.apache.cassandra.distributed.api.ConsistencyLevel commitConsistencyOrigin, org.apache.cassandra.distributed.api.ConsistencyLevel serialConsistencyOrigin, Object[] boundValues)
      {
          this(query, timestamp, true, commitConsistencyOrigin, serialConsistencyOrigin, boundValues);
      }
  
      public Query(String query, long timestamp, boolean deserializeResult, org.apache.cassandra.distributed.api.ConsistencyLevel commitConsistencyOrigin, org.apache.cassandra.distributed.api.ConsistencyLevel serialConsistencyOrigin, Object[] boundValues)
      {
          this.query = query;
          this.timestamp = timestamp;
          this.deserializeResult = deserializeResult;
          this.commitConsistencyOrigin = commitConsistencyOrigin;
          this.serialConsistencyOrigin = serialConsistencyOrigin;
          this.boundValues = boundValues;
      }
  
      @Override
      public SimpleQueryResult call()
      {
          ConsistencyLevel commitConsistency = toCassandraCL(commitConsistencyOrigin);
          ConsistencyLevel serialConsistency = serialConsistencyOrigin == null ? null : toCassandraCL(serialConsistencyOrigin);
          ClientState clientState = CoordinatorHelper.makeFakeClientState();
          CQLStatement prepared = QueryProcessor.getStatement(query, clientState);
          List<ByteBuffer> boundBBValues = new ArrayList<>();
          for (Object boundValue : boundValues)
              boundBBValues.add(ByteBufferUtil.objectToBytes(boundValue));
  
          prepared.validate(QueryState.forInternalCalls().getClientState());
  
          // Start capturing warnings on this thread. Note that this will implicitly clear out any previous
          // warnings as it sets a new State instance on the ThreadLocal.
          ClientWarn.instance.captureWarnings();
  
          ResultMessage res = prepared.execute(QueryState.forInternalCalls(),
                                               QueryOptions.create(commitConsistency,
                                                                   boundBBValues,
                                                                   false,
                                                                   Integer.MAX_VALUE,
                                                                   null,
                                                                   serialConsistency,
                                                                   ProtocolVersion.V4,
                                                                   null,
                                                                   timestamp,
                                                                   FBUtilities.nowInSeconds()),
                                               Dispatcher.RequestTime.forImmediateExecution());
  
          // Collect warnings reported during the query.
          if (res != null)
              res.setWarnings(ClientWarn.instance.getWarnings());
  
          return RowUtil.toQueryResult(res, deserializeResult);
      }
  
      public String toString()
      {
          return String.format(query.replaceAll("\\?", "%s") + " AT " + commitConsistencyOrigin, boundValues);
      }
  
      static org.apache.cassandra.db.ConsistencyLevel toCassandraCL(org.apache.cassandra.distributed.api.ConsistencyLevel cl)
      {
          return org.apache.cassandra.db.ConsistencyLevel.fromCode(cl.ordinal());
      }
  }
  