| /* |
| * 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.iotdb.cluster.server.handlers.caller; |
| |
| import org.apache.iotdb.cluster.rpc.thrift.Node; |
| import org.apache.iotdb.cluster.rpc.thrift.PullSchemaResp; |
| import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| import org.apache.iotdb.tsfile.write.schema.VectorMeasurementSchema; |
| |
| import org.apache.thrift.async.AsyncMethodCallback; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| public class PullMeasurementSchemaHandler implements AsyncMethodCallback<PullSchemaResp> { |
| |
| private static final Logger logger = LoggerFactory.getLogger(PullMeasurementSchemaHandler.class); |
| |
| private Node owner; |
| private List<String> prefixPaths; |
| private AtomicReference<List<IMeasurementSchema>> timeseriesSchemas; |
| |
| public PullMeasurementSchemaHandler( |
| Node owner, |
| List<String> prefixPaths, |
| AtomicReference<List<IMeasurementSchema>> timeseriesSchemas) { |
| this.owner = owner; |
| this.prefixPaths = prefixPaths; |
| this.timeseriesSchemas = timeseriesSchemas; |
| } |
| |
| @Override |
| public void onComplete(PullSchemaResp response) { |
| ByteBuffer buffer = response.schemaBytes; |
| int size = buffer.getInt(); |
| List<IMeasurementSchema> schemas = new ArrayList<>(size); |
| for (int i = 0; i < size; i++) { |
| schemas.add( |
| buffer.get() == 0 |
| ? MeasurementSchema.partialDeserializeFrom(buffer) |
| : VectorMeasurementSchema.partialDeserializeFrom(buffer)); |
| } |
| synchronized (timeseriesSchemas) { |
| timeseriesSchemas.set(schemas); |
| timeseriesSchemas.notifyAll(); |
| } |
| } |
| |
| @Override |
| public void onError(Exception exception) { |
| logger.error("Cannot pull time series schema of {} from {}", prefixPaths, owner, exception); |
| synchronized (timeseriesSchemas) { |
| timeseriesSchemas.notifyAll(); |
| } |
| } |
| } |