| /* |
| * 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.asterix.bad.metadata; |
| |
| import java.rmi.RemoteException; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.asterix.bad.BADConstants; |
| import org.apache.asterix.common.api.ExtensionId; |
| import org.apache.asterix.common.exceptions.ACIDException; |
| import org.apache.asterix.metadata.MetadataManager; |
| import org.apache.asterix.metadata.MetadataTransactionContext; |
| import org.apache.asterix.metadata.api.ExtensionMetadataDataset; |
| import org.apache.asterix.metadata.api.IMetadataExtension; |
| import org.apache.asterix.metadata.api.IMetadataIndex; |
| import org.apache.asterix.metadata.bootstrap.MetadataBootstrap; |
| import org.apache.asterix.metadata.entities.Datatype; |
| import org.apache.asterix.metadata.entities.Dataverse; |
| import org.apache.asterix.metadata.entitytupletranslators.MetadataTupleTranslatorProvider; |
| import org.apache.asterix.metadata.utils.MetadataConstants; |
| import org.apache.asterix.metadata.utils.MetadataUtil; |
| import org.apache.asterix.runtime.formats.NonTaggedDataFormat; |
| import org.apache.hyracks.algebricks.common.utils.Pair; |
| import org.apache.hyracks.api.application.INCServiceContext; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| |
| public class BADMetadataExtension implements IMetadataExtension { |
| |
| public static final ExtensionId BAD_METADATA_EXTENSION_ID = |
| new ExtensionId(BADConstants.BAD_METADATA_EXTENSION_NAME, 0); |
| public static final Dataverse BAD_DATAVERSE = new Dataverse(MetadataConstants.METADATA_DATAVERSE_NAME, |
| NonTaggedDataFormat.class.getName(), MetadataUtil.PENDING_NO_OP); |
| |
| public static final Datatype BAD_SUBSCRIPTION_DATATYPE = new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME, |
| BADConstants.ChannelSubscriptionsType, BADMetadataRecordTypes.channelSubscriptionsType, false); |
| public static final Datatype BAD_RESULT_DATATYPE = new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME, |
| BADConstants.ChannelResultsType, BADMetadataRecordTypes.channelResultsType, false); |
| |
| public static final Datatype BAD_BROKER_DATATYPE = new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME, |
| BADConstants.RECORD_TYPENAME_BROKER, BADMetadataRecordTypes.BROKER_RECORDTYPE, false); |
| |
| public static final Datatype BAD_CHANNEL_DATATYPE = new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME, |
| BADConstants.RECORD_TYPENAME_CHANNEL, BADMetadataRecordTypes.CHANNEL_RECORDTYPE, false); |
| |
| public static final Datatype BAD_PROCEDURE_DATATYPE = new Datatype(MetadataConstants.METADATA_DATAVERSE_NAME, |
| BADConstants.RECORD_TYPENAME_PROCEDURE, BADMetadataRecordTypes.PROCEDURE_RECORDTYPE, false); |
| |
| @Override |
| public ExtensionId getId() { |
| return BAD_METADATA_EXTENSION_ID; |
| } |
| |
| @Override |
| public void configure(List<Pair<String, String>> args) { |
| // do nothing?? |
| } |
| |
| @Override |
| public MetadataTupleTranslatorProvider getMetadataTupleTranslatorProvider() { |
| return new MetadataTupleTranslatorProvider(); |
| } |
| |
| @SuppressWarnings("rawtypes") |
| @Override |
| public List<ExtensionMetadataDataset> getExtensionIndexes() { |
| try { |
| return Arrays.asList(BADMetadataIndexes.CHANNEL_DATASET, BADMetadataIndexes.BROKER_DATASET, |
| BADMetadataIndexes.PROCEDURE_DATASET); |
| } catch (Throwable th) { |
| th.printStackTrace(); |
| throw th; |
| } |
| } |
| |
| @Override |
| public void initializeMetadata(INCServiceContext appCtx) |
| throws HyracksDataException, RemoteException, ACIDException { |
| // enlist datasets |
| MetadataBootstrap.enlistMetadataDataset(appCtx, BADMetadataIndexes.CHANNEL_DATASET); |
| MetadataBootstrap.enlistMetadataDataset(appCtx, BADMetadataIndexes.BROKER_DATASET); |
| MetadataBootstrap.enlistMetadataDataset(appCtx, BADMetadataIndexes.PROCEDURE_DATASET); |
| if (MetadataBootstrap.isNewUniverse()) { |
| MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction(); |
| try { |
| // add metadata datasets |
| MetadataBootstrap.insertMetadataDatasets(mdTxnCtx, |
| new IMetadataIndex[] { BADMetadataIndexes.CHANNEL_DATASET, BADMetadataIndexes.BROKER_DATASET, |
| BADMetadataIndexes.PROCEDURE_DATASET }); |
| // insert default dataverse |
| // TODO prevent user from dropping this dataverse |
| // MetadataManager.INSTANCE.addDataverse(mdTxnCtx, BAD_DATAVERSE); |
| // insert default data type |
| MetadataManager.INSTANCE.addDatatype(mdTxnCtx, BAD_RESULT_DATATYPE); |
| MetadataManager.INSTANCE.addDatatype(mdTxnCtx, BAD_SUBSCRIPTION_DATATYPE); |
| MetadataManager.INSTANCE.addDatatype(mdTxnCtx, BAD_BROKER_DATATYPE); |
| MetadataManager.INSTANCE.addDatatype(mdTxnCtx, BAD_CHANNEL_DATATYPE); |
| MetadataManager.INSTANCE.addDatatype(mdTxnCtx, BAD_PROCEDURE_DATATYPE); |
| // TODO prevent user from dropping these types |
| MetadataManager.INSTANCE.commitTransaction(mdTxnCtx); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| MetadataManager.INSTANCE.abortTransaction(mdTxnCtx); |
| } |
| } |
| // local recovery? |
| // nothing for now |
| } |
| } |