diff options
Diffstat (limited to 'hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/ContainerLocationManager.java')
-rw-r--r-- | hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/ContainerLocationManager.java | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/ContainerLocationManager.java b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/ContainerLocationManager.java new file mode 100644 index 0000000000..9c5fcea163 --- /dev/null +++ b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/ContainerLocationManager.java @@ -0,0 +1,58 @@ +/* + * 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.hadoop.ozone.container.common.interfaces; + +import org.apache.hadoop.ozone.container.common.impl.StorageLocationReport; + +import java.io.IOException; +import java.nio.file.Path; + +/** + * Returns physical path locations, where the containers will be created. + */ +public interface ContainerLocationManager { + /** + * Returns the path where the container should be placed from a set of + * locations. + * + * @return A path where we should place this container and metadata. + * @throws IOException + */ + Path getContainerPath() throws IOException; + + /** + * Returns the path where the container Data file are stored. + * + * @return a path where we place the LevelDB and data files of a container. + * @throws IOException + */ + Path getDataPath(String containerName) throws IOException; + + /** + * Returns an array of storage location usage report. + * @return storage location usage report. + */ + StorageLocationReport[] getLocationReport() throws IOException; + + /** + * Supports clean shutdown of container. + * + * @throws IOException + */ + void shutdown() throws IOException; +} |