Package com.aerospike.client.query

Source Code of com.aerospike.client.query.QueryRecordCommand

/*
* Copyright 2012-2014 Aerospike, Inc.
*
* Portions may be licensed to Aerospike, Inc. under one or more contributor
* license agreements.
*
* 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.aerospike.client.query;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import com.aerospike.client.AerospikeException;
import com.aerospike.client.Key;
import com.aerospike.client.Record;
import com.aerospike.client.ResultCode;
import com.aerospike.client.cluster.Node;
import com.aerospike.client.command.Buffer;
import com.aerospike.client.command.Command;
import com.aerospike.client.policy.Policy;

public final class QueryRecordCommand extends QueryCommand {
 
  private final RecordSet recordSet;

  public QueryRecordCommand(Node node, Policy policy, Statement statement, RecordSet recordSet) {
    super(node, policy, statement);
    this.recordSet = recordSet;
  }

  protected boolean parseRecordResults(int receiveSize)
    throws AerospikeException, IOException {
    // Read/parse remaining message bytes one record at a time.
    dataOffset = 0;
   
    while (dataOffset < receiveSize) {
        readBytes(MSG_REMAINING_HEADER_SIZE);       
      int resultCode = dataBuffer[5] & 0xFF;
     
      if (resultCode != 0) {
        if (resultCode == ResultCode.KEY_NOT_FOUND_ERROR) {
          return false;
        }
        throw new AerospikeException(resultCode);
      }

      byte info3 = dataBuffer[3];
     
      // If this is the end marker of the response, do not proceed further
      if ((info3 & Command.INFO3_LAST) == Command.INFO3_LAST) {
        return false;
      }
     
      int generation = Buffer.bytesToInt(dataBuffer, 6);
      int expiration = Buffer.bytesToInt(dataBuffer, 10);
      int fieldCount = Buffer.bytesToShort(dataBuffer, 18);
      int opCount = Buffer.bytesToShort(dataBuffer, 20);
     
      Key key = parseKey(fieldCount);

      // Parse bins.
      Map<String,Object> bins = null;
     
      for (int i = 0 ; i < opCount; i++) {
          readBytes(8)
        int opSize = Buffer.bytesToInt(dataBuffer, 0);
        byte particleType = dataBuffer[5];
        byte nameSize = dataBuffer[7];
         
        readBytes(nameSize);
        String name = Buffer.utf8ToString(dataBuffer, 0, nameSize);
   
        int particleBytesSize = (int) (opSize - (4 + nameSize));
        readBytes(particleBytesSize);
            Object value = Buffer.bytesToParticle(particleType, dataBuffer, 0, particleBytesSize);
           
        if (bins == null) {
          bins = new HashMap<String,Object>();
        }
        bins.put(name, value);
        }
     
      Record record = new Record(bins, null, generation, expiration);
     
      if (! valid) {
        throw new AerospikeException.QueryTerminated();
      }
     
      if (! recordSet.put(new KeyRecord(key, record))) {
        stop();
        throw new AerospikeException.QueryTerminated();
      }
    }
    return true;
  }
}
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