| /* |
| * 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.hive.ql.parse.repl.dump.io; |
| |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hive.conf.HiveConf; |
| import org.apache.hadoop.hive.metastore.ReplChangeManager; |
| import org.apache.hadoop.hive.metastore.api.Function; |
| import org.apache.hadoop.hive.metastore.api.MetaException; |
| import org.apache.hadoop.hive.metastore.api.ResourceUri; |
| import org.apache.hadoop.hive.ql.ErrorMsg; |
| import org.apache.hadoop.hive.ql.parse.EximUtil; |
| import org.apache.hadoop.hive.ql.parse.ReplicationSpec; |
| import org.apache.hadoop.hive.ql.parse.SemanticException; |
| import org.apache.hadoop.hive.ql.parse.repl.PathBuilder; |
| import org.apache.hadoop.hive.ql.parse.repl.dump.Utils; |
| import org.apache.thrift.TException; |
| import org.apache.thrift.TSerializer; |
| import org.apache.thrift.protocol.TJSONProtocol; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class FunctionSerializer implements JsonWriter.Serializer { |
| public static final String FIELD_NAME = "function"; |
| private Function function; |
| private HiveConf hiveConf; |
| private Path functionDataRoot; |
| private boolean copyAtLoad; |
| private List<EximUtil.DataCopyPath> functionBinaryCopyPaths = new ArrayList<>(); |
| |
| public FunctionSerializer(Function function, Path functionDataRoot, boolean copyAtLoad, HiveConf hiveConf) { |
| this.hiveConf = hiveConf; |
| this.function = function; |
| this.functionDataRoot = functionDataRoot; |
| this.copyAtLoad = copyAtLoad; |
| } |
| |
| @Override |
| public void writeTo(JsonWriter writer, ReplicationSpec additionalPropertiesProvider) |
| throws SemanticException, IOException, MetaException { |
| TSerializer serializer = new TSerializer(new TJSONProtocol.Factory()); |
| List<ResourceUri> resourceUris = new ArrayList<>(); |
| if (function.getResourceUris() != null) { |
| for (ResourceUri uri : function.getResourceUris()) { |
| Path inputPath = new Path(uri.getUri()); |
| if ("hdfs".equals(inputPath.toUri().getScheme())) { |
| FileSystem fileSystem = inputPath.getFileSystem(hiveConf); |
| Path qualifiedUri = PathBuilder.fullyQualifiedHDFSUri(inputPath, fileSystem); |
| String checkSum = ReplChangeManager.checksumFor(qualifiedUri, fileSystem); |
| String encodedSrcUri = ReplChangeManager.getInstance(hiveConf) |
| .encodeFileUri(qualifiedUri.toString(), checkSum, null); |
| if (copyAtLoad) { |
| if (hiveConf.getBoolVar(HiveConf.ConfVars.REPL_HA_DATAPATH_REPLACE_REMOTE_NAMESERVICE)) { |
| encodedSrcUri = Utils.replaceNameserviceInEncodedURI(encodedSrcUri, hiveConf); |
| } |
| resourceUris.add(new ResourceUri(uri.getResourceType(), encodedSrcUri)); |
| } else { |
| Path newBinaryPath = new Path(functionDataRoot, qualifiedUri.getName()); |
| resourceUris.add(new ResourceUri(uri.getResourceType(),newBinaryPath.toString())); |
| functionBinaryCopyPaths.add(new EximUtil.DataCopyPath(additionalPropertiesProvider, |
| new Path(encodedSrcUri), newBinaryPath)); |
| } |
| } else { |
| resourceUris.add(uri); |
| } |
| } |
| } |
| Function copyObj = new Function(this.function); |
| if (!resourceUris.isEmpty()) { |
| assert resourceUris.size() == this.function.getResourceUris().size(); |
| copyObj.setResourceUris(resourceUris); |
| } |
| |
| try { |
| //This is required otherwise correct work object on repl load wont be created. |
| writer.jsonGenerator.writeStringField(ReplicationSpec.KEY.REPL_SCOPE.toString(), |
| "all"); |
| writer.jsonGenerator.writeStringField(ReplicationSpec.KEY.CURR_STATE_ID.toString(), |
| additionalPropertiesProvider.getCurrentReplicationState()); |
| writer.jsonGenerator |
| .writeStringField(FIELD_NAME, serializer.toString(copyObj, UTF_8)); |
| } catch (TException e) { |
| throw new SemanticException(ErrorMsg.ERROR_SERIALIZE_METASTORE.getMsg(), e); |
| } |
| } |
| |
| public List<EximUtil.DataCopyPath> getFunctionBinaryCopyPaths() { |
| return functionBinaryCopyPaths; |
| } |
| } |