| /* |
| * 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.ignite.internal.processors.cache.distributed.near; |
| |
| import java.util.Collection; |
| import java.util.UUID; |
| import org.apache.ignite.internal.processors.cache.distributed.GridDistributedTxMapping; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * |
| */ |
| public interface IgniteTxMappings { |
| /** |
| * Clears this mappings. |
| */ |
| public void clear(); |
| |
| /** |
| * @return {@code True} if there are no mappings. |
| */ |
| public boolean empty(); |
| |
| /** |
| * @param nodeId Node ID. |
| * @return Node mapping. |
| */ |
| @Nullable public GridDistributedTxMapping get(UUID nodeId); |
| |
| /** |
| * @param mapping Mapping. |
| */ |
| public void put(GridDistributedTxMapping mapping); |
| |
| /** |
| * @param nodeId Node ID. |
| * @return Removed mapping. |
| */ |
| @Nullable public GridDistributedTxMapping remove(UUID nodeId); |
| |
| /** |
| * @return Mapping for local node. |
| */ |
| @Nullable public GridDistributedTxMapping localMapping(); |
| |
| /** |
| * @return Non null instance if this mappings contain only one mapping. |
| */ |
| @Nullable public GridDistributedTxMapping singleMapping(); |
| |
| /** |
| * @return All mappings. |
| */ |
| public Collection<GridDistributedTxMapping> mappings(); |
| |
| /** |
| * @return {@code True} if this is single mapping. |
| */ |
| public boolean single(); |
| } |