| /* |
| * 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; |
| |
| import java.util.Collection; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.db.partitions.PartitionUpdate; |
| import org.apache.cassandra.schema.TableId; |
| |
| public interface IMutation |
| { |
| public long MAX_MUTATION_SIZE = DatabaseDescriptor.getMaxMutationSize(); |
| |
| public void apply(); |
| public String getKeyspaceName(); |
| public Collection<TableId> getTableIds(); |
| public DecoratedKey key(); |
| public long getTimeout(TimeUnit unit); |
| public String toString(boolean shallow); |
| public Collection<PartitionUpdate> getPartitionUpdates(); |
| |
| public default void validateIndexedColumns() |
| { |
| for (PartitionUpdate pu : getPartitionUpdates()) |
| pu.validateIndexedColumns(); |
| } |
| |
| /** |
| * Validates size of mutation does not exceed {@link DatabaseDescriptor#getMaxMutationSize()}. |
| * |
| * @param version the MessagingService version the mutation is being serialized for. |
| * see {@link org.apache.cassandra.net.MessagingService#current_version} |
| * @param overhead overhadd to add for mutation size to validate. Pass zero if not required but not a negative value. |
| * @throws {@link MutationExceededMaxSizeException} if {@link DatabaseDescriptor#getMaxMutationSize()} is exceeded |
| */ |
| public void validateSize(int version, int overhead); |
| |
| /** |
| * Computes the total data size of the specified mutations. |
| * @param mutations the mutations |
| * @return the total data size of the specified mutations |
| */ |
| public static long dataSize(Collection<? extends IMutation> mutations) |
| { |
| long size = 0; |
| for (IMutation mutation : mutations) |
| { |
| for (PartitionUpdate update : mutation.getPartitionUpdates()) |
| size += update.dataSize(); |
| } |
| return size; |
| } |
| } |