Examples of org.apache.cassandra.thrift.Deletion$DeletionStandardSchemeFactory

org.apache.cassandra.thrift.Deletion
Note that the timestamp is only optional in case of counter deletion.

    @SuppressWarnings({"UnusedDeclaration"})//NOSONAR
    public static void deleteRowToBatchMutation(String rowKey,
                                                String columnFamilyName,
                                                CassandraTemplate template,
                                                BatchMutation<String> batchMutation) {
        Deletion deletion = new Deletion();
        deletion.setTimestamp(template.createTimestamp());
        batchMutation.addDeletion(rowKey, Collections.singletonList(columnFamilyName), deletion);
    }

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                                                   String columnFamilyName,
                                                   String superColumnName,
                                                   @Nullable String columnName,
                                                   CassandraTemplate template,
                                                   BatchMutation<String> batchMutation) {
        Deletion deletion = new Deletion();
        deletion.setTimestamp(template.createTimestamp());
        if (superColumnName != null) {
            deletion.setSuper_column(bytes(superColumnName));
        }
        if (columnName != null) {
            SlicePredicate slicePredicate = new SlicePredicate();
            slicePredicate.setColumn_names(Collections.singletonList(bytes(columnName)));
            deletion.setPredicate(slicePredicate);
        }
        batchMutation.addDeletion(rowKey, Collections.singletonList(columnFamilyName), deletion);
    }

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                }
            });
        } else {
            // use a BatchMutation to do multiple column deletions in one go
            BatchMutation<String> batchMutation = new BatchMutation<String>(StringSerializer.get());
            Deletion deletion = new Deletion();
            deletion.setTimestamp(template.createTimestamp());
            if (superColumnName != null) {
                deletion.setSuper_column(bytes(superColumnName));
            }
            SlicePredicate predicate = new SlicePredicate();
            for (String columnName : columnNames) {
                predicate.addToColumn_names(bytes(columnName));
            }
            deletion.setPredicate(predicate);
            batchMutation.addDeletion(rowKey, Collections.singletonList(columnFamilyName), deletion);


            mutate(batchMutation, keyspaceName, template);
        }
    }

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        cfMutation.put(ConfigHelper.getOutputColumnFamily(context.getConfiguration()), mutationList);


        if (value == null)
        {
            Mutation mutation = new Mutation();
            Deletion deletion = new Deletion(clock);
            mutation.setDeletion(deletion);
            mutationList.add(mutation);
        }
        else
        {
            List<byte[]> columnsToDelete = new ArrayList<byte[]>();
            for (IColumn column : value)
            {
                Mutation mutation = new Mutation();
                if (column.value() == null)
                {
                    if (columnsToDelete.size() != 1 || columnsToDelete.get(0) != null)
                    {
                        if (column.name() == null)
                            columnsToDelete.clear();
                        columnsToDelete.add(column.name());
                    }
                }
                else
                {


                    ColumnOrSuperColumn cosc = new ColumnOrSuperColumn();
                    cosc.setColumn(new Column(column.name(), column.value(), clock));
                    mutation.setColumn_or_supercolumn(cosc);
                }
                mutationList.add(mutation);
            }


            if (columnsToDelete.size() > 0)
            {
                Mutation mutation = new Mutation();
                Deletion deletion = new Deletion(clock);


                if (columnsToDelete.size() != 1 || columnsToDelete.get(0) != null)
                {
                    deletion.setPredicate(new SlicePredicate().setColumn_names(columnsToDelete));
                }
                else
                {
                    SliceRange range = new SliceRange(new byte[]{ }, new byte[]{ }, false, Integer.MAX_VALUE);
                    deletion.setPredicate(new SlicePredicate().setSlice_range(range));
                }


                mutation.setDeletion(deletion);
                mutationList.add(mutation);
            }

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         columnFamilyMutations = new ArrayList<Mutation>();
         keyMutations.put(columnFamily, columnFamilyMutations);
      }


      if (value == null) { // Delete
         Deletion deletion = new Deletion();
         deletion.setTimestamp(microTimestamp());
         if (superColumn != null) {
            deletion.setSuper_column(superColumn);
         }
         if (columnName != null) { // Single column delete
            deletion.setPredicate(new SlicePredicate().setColumn_names(Collections
                     .singletonList(columnName)));
         } // else Delete entire column family or supercolumn
         columnFamilyMutations.add(new Mutation().setDeletion(deletion));
      } else { // Insert/update
         ColumnOrSuperColumn cosc = new ColumnOrSuperColumn();

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                List<org.apache.cassandra.thrift.Mutation> thriftMutation =
                        new ArrayList<org.apache.cassandra.thrift.Mutation>(mutations.size());


                if (mutation.hasDeletions()) {
                    for (StaticBuffer buf : mutation.getDeletions()) {
                        Deletion d = new Deletion();
                        SlicePredicate sp = new SlicePredicate();
                        sp.addToColumn_names(buf.asByteBuffer());
                        d.setPredicate(sp);
                        d.setTimestamp(timestamp.deletionTime);
                        org.apache.cassandra.thrift.Mutation m = new org.apache.cassandra.thrift.Mutation();
                        m.setDeletion(d);
                        thriftMutation.add(m);
                    }
                }

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    return addSubDelete(key, cf, sc, keyspace.createClock());
  }
  
  public <SN,N,V> Mutator<K> addSubDelete(K key, String cf, HSuperColumn<SN,N,V> sc, long clock) {
    SlicePredicate pred = new SlicePredicate();
    Deletion d = new Deletion().setTimestamp(clock);
    if ( sc.getColumns() != null ) {      
      for (HColumn<N, V> col : sc.getColumns()) {
        pred.addToColumn_names(col.getNameSerializer().toByteBuffer(col.getName()));
      }
      d.setPredicate(pred);
    }    
    d.setSuper_column(sc.getNameByteBuffer());
    getPendingMutations().addDeletion(key, Arrays.asList(cf), d);        
    return this;
  }

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   * {@inheritDoc}
   */
  @Override
  public <N> Mutator<K> addDeletion(K key, String cf, N columnName, Serializer<N> nameSerializer, long clock) {
    SlicePredicate sp = new SlicePredicate();
    Deletion d;
    if ( columnName != null ) {
      sp.addToColumn_names(nameSerializer.toByteBuffer(columnName));
      d = new Deletion().setTimestamp(clock).setPredicate(sp);
    } else { 
      d = new Deletion().setTimestamp(clock);
    }
    getPendingMutations().addDeletion(key, Arrays.asList(cf), d);
    return this;
  }

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  @Override
  public <N> Mutator<K> addCounterDeletion(K key, String cf, N counterColumnName, Serializer<N> nameSerializer) {
    SlicePredicate sp = new SlicePredicate();
    Deletion d;
    if ( counterColumnName != null ) {
      sp.addToColumn_names(nameSerializer.toByteBuffer(counterColumnName));
      d = new Deletion().setPredicate(sp);
    } else { 
      d = new Deletion();
    }
    getPendingMutations().addDeletion(key, Arrays.asList(cf), d);
    return this;
  }

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    return this;
  }


  @Override
  public <N> Mutator<K> addCounterDeletion(K key, String cf) {    
    getPendingMutations().addDeletion(key, Arrays.asList(cf), new Deletion());
    return this;
  }

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