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.db.filter;
  
  import java.nio.ByteBuffer;
  
  import org.apache.cassandra.schema.TableMetadata;
  import org.apache.cassandra.db.*;
  import org.apache.cassandra.db.marshal.*;
  
  public class TombstoneOverwhelmingException extends RejectException
  {
      public TombstoneOverwhelmingException(int numTombstones, String query, TableMetadata metadata, DecoratedKey lastPartitionKey, ClusteringPrefix<?> lastClustering)
      {
          super(String.format("Scanned over %d tombstones during query '%s' (last scanned row token was %s and partion key was (%s)); query aborted",
                              numTombstones, query, lastPartitionKey.getToken(), makePKString(metadata, lastPartitionKey.getKey(), lastClustering)));
      }
  
      private static String makePKString(TableMetadata metadata, ByteBuffer partitionKey, ClusteringPrefix<?> clustering)
      {
          StringBuilder sb = new StringBuilder();
  
          if (clustering.size() > 0)
              sb.append("(");
  
          // TODO: We should probably make that a lot easier/transparent for partition keys
          AbstractType<?> pkType = metadata.partitionKeyType;
          if (pkType instanceof CompositeType)
          {
              CompositeType ct = (CompositeType)pkType;
              ByteBuffer[] values = ct.split(partitionKey);
              for (int i = 0; i < values.length; i++)
              {
                  if (i > 0)
                      sb.append(", ");
                  sb.append(ct.types.get(i).getString(values[i]));
              }
          }
          else
          {
              sb.append(pkType.getString(partitionKey));
          }
  
          if (clustering.size() > 0)
              sb.append(")");
  
          for (int i = 0; i < clustering.size(); i++)
              sb.append(", ").append(clustering.stringAt(i, metadata.comparator));
  
          return sb.toString();
      }
  }
  