| /* |
| * 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.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.asterix.builders.OrderedListBuilder; |
| import org.apache.asterix.common.exceptions.MetadataException; |
| import org.apache.asterix.common.metadata.DataverseName; |
| import org.apache.asterix.metadata.entitytupletranslators.AbstractTupleTranslator; |
| import org.apache.asterix.om.base.AOrderedList; |
| import org.apache.asterix.om.base.ARecord; |
| import org.apache.asterix.om.base.AString; |
| import org.apache.asterix.om.base.IACursor; |
| import org.apache.asterix.om.types.AOrderedListType; |
| import org.apache.asterix.om.types.BuiltinType; |
| import org.apache.hyracks.algebricks.common.utils.Triple; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.data.std.util.ArrayBackedValueStorage; |
| import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference; |
| |
| /** |
| * Translates a Procedure metadata entity to an ITupleReference and vice versa. |
| */ |
| public class ProcedureTupleTranslator extends AbstractTupleTranslator<Procedure> { |
| // Field indexes of serialized Procedure in a tuple. |
| // First key field. |
| public static final int PROCEDURE_DATAVERSENAME_TUPLE_FIELD_INDEX = 0; |
| // Second key field. |
| public static final int PROCEDURE_PROCEDURE_NAME_TUPLE_FIELD_INDEX = 1; |
| // Third key field. |
| public static final int PROCEDURE_ARITY_TUPLE_FIELD_INDEX = 2; |
| |
| // Payload field containing serialized Procedure. |
| public static final int PROCEDURE_PAYLOAD_TUPLE_FIELD_INDEX = 3; |
| |
| private transient OrderedListBuilder dependenciesListBuilder = new OrderedListBuilder(); |
| private transient OrderedListBuilder dependencyListBuilder = new OrderedListBuilder(); |
| private transient OrderedListBuilder dependencyNameListBuilder = new OrderedListBuilder(); |
| private transient List<String> dependencySubnames = new ArrayList<>(); |
| private transient AOrderedListType stringList = new AOrderedListType(BuiltinType.ASTRING, null); |
| private transient AOrderedListType listOfLists = |
| new AOrderedListType(new AOrderedListType(BuiltinType.ASTRING, null), null); |
| |
| protected ProcedureTupleTranslator(boolean getTuple) { |
| super(getTuple, BADMetadataIndexes.PROCEDURE_DATASET, PROCEDURE_PAYLOAD_TUPLE_FIELD_INDEX); |
| } |
| |
| @Override |
| public Procedure createMetadataEntityFromARecord(ARecord procedureRecord) throws HyracksDataException { |
| String dataverseCanonicalName = ((AString) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_DATAVERSENAME_FIELD_INDEX)).getStringValue(); |
| DataverseName dataverseName = DataverseName.createFromCanonicalForm(dataverseCanonicalName); |
| String procedureName = ((AString) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_NAME_FIELD_INDEX)).getStringValue(); |
| String arity = ((AString) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_ARITY_FIELD_INDEX)).getStringValue(); |
| |
| IACursor cursor = ((AOrderedList) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_PARAM_LIST_FIELD_INDEX)).getCursor(); |
| List<String> params = new ArrayList<>(); |
| while (cursor.next()) { |
| params.add(((AString) cursor.get()).getStringValue()); |
| } |
| |
| String returnType = ((AString) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_TYPE_FIELD_INDEX)).getStringValue(); |
| |
| String definition = ((AString) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_DEFINITION_FIELD_INDEX)) |
| .getStringValue(); |
| |
| String language = ((AString) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_LANGUAGE_FIELD_INDEX)) |
| .getStringValue(); |
| |
| String duration = ((AString) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_DURATION_FIELD_INDEX)) |
| .getStringValue(); |
| |
| IACursor dependenciesCursor = ((AOrderedList) procedureRecord |
| .getValueByPos(BADMetadataRecordTypes.PROCEDURE_ARECORD_DEPENDENCIES_FIELD_INDEX)).getCursor(); |
| List<List<Triple<DataverseName, String, String>>> dependencies = new ArrayList<>(); |
| while (dependenciesCursor.next()) { |
| List<Triple<DataverseName, String, String>> dependencyList = new ArrayList<>(); |
| IACursor qualifiedDependencyCursor = ((AOrderedList) dependenciesCursor.get()).getCursor(); |
| while (qualifiedDependencyCursor.next()) { |
| Triple<DataverseName, String, String> dependency = |
| getDependency((AOrderedList) qualifiedDependencyCursor.get()); |
| dependencyList.add(dependency); |
| } |
| dependencies.add(dependencyList); |
| } |
| |
| return new Procedure(dataverseName, procedureName, Integer.parseInt(arity), params, returnType, definition, |
| language, duration, dependencies); |
| } |
| |
| static Triple<DataverseName, String, String> getDependency(AOrderedList dependencySubnames) { |
| String dataverseCanonicalName = ((AString) dependencySubnames.getItem(0)).getStringValue(); |
| DataverseName dataverseName = DataverseName.createFromCanonicalForm(dataverseCanonicalName); |
| String second = null, third = null; |
| int ln = dependencySubnames.size(); |
| if (ln > 1) { |
| second = ((AString) dependencySubnames.getItem(1)).getStringValue(); |
| if (ln > 2) { |
| third = ((AString) dependencySubnames.getItem(2)).getStringValue(); |
| } |
| } |
| return new Triple<>(dataverseName, second, third); |
| } |
| |
| @Override |
| public ITupleReference getTupleFromMetadataEntity(Procedure procedure) |
| throws HyracksDataException, MetadataException { |
| String dataverseCanonicalName = procedure.getEntityId().getDataverseName().getCanonicalForm(); |
| |
| // write the key in the first 2 fields of the tuple |
| tupleBuilder.reset(); |
| aString.setValue(dataverseCanonicalName); |
| stringSerde.serialize(aString, tupleBuilder.getDataOutput()); |
| tupleBuilder.addFieldEndOffset(); |
| aString.setValue(procedure.getEntityId().getEntityName()); |
| stringSerde.serialize(aString, tupleBuilder.getDataOutput()); |
| tupleBuilder.addFieldEndOffset(); |
| aString.setValue(procedure.getArity() + ""); |
| stringSerde.serialize(aString, tupleBuilder.getDataOutput()); |
| tupleBuilder.addFieldEndOffset(); |
| |
| // write the pay-load in the fourth field of the tuple |
| |
| recordBuilder.reset(BADMetadataRecordTypes.PROCEDURE_RECORDTYPE); |
| |
| // write field 0 |
| fieldValue.reset(); |
| aString.setValue(dataverseCanonicalName); |
| stringSerde.serialize(aString, fieldValue.getDataOutput()); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_DATAVERSENAME_FIELD_INDEX, fieldValue); |
| |
| // write field 1 |
| fieldValue.reset(); |
| aString.setValue(procedure.getEntityId().getEntityName()); |
| stringSerde.serialize(aString, fieldValue.getDataOutput()); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_NAME_FIELD_INDEX, fieldValue); |
| |
| // write field 2 |
| fieldValue.reset(); |
| aString.setValue(procedure.getArity() + ""); |
| stringSerde.serialize(aString, fieldValue.getDataOutput()); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_ARITY_FIELD_INDEX, fieldValue); |
| |
| // write field 3 |
| OrderedListBuilder listBuilder = new OrderedListBuilder(); |
| ArrayBackedValueStorage itemValue = new ArrayBackedValueStorage(); |
| listBuilder.reset((AOrderedListType) BADMetadataRecordTypes.PROCEDURE_RECORDTYPE |
| .getFieldTypes()[BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_PARAM_LIST_FIELD_INDEX]); |
| for (String param : procedure.getParams()) { |
| itemValue.reset(); |
| aString.setValue(param); |
| stringSerde.serialize(aString, itemValue.getDataOutput()); |
| listBuilder.addItem(itemValue); |
| } |
| fieldValue.reset(); |
| listBuilder.write(fieldValue.getDataOutput(), true); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_PARAM_LIST_FIELD_INDEX, fieldValue); |
| |
| // write field 4 |
| fieldValue.reset(); |
| aString.setValue(procedure.getType()); |
| stringSerde.serialize(aString, fieldValue.getDataOutput()); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_TYPE_FIELD_INDEX, fieldValue); |
| |
| // write field 5 |
| fieldValue.reset(); |
| aString.setValue(procedure.getBody()); |
| stringSerde.serialize(aString, fieldValue.getDataOutput()); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_DEFINITION_FIELD_INDEX, fieldValue); |
| |
| // write field 6 |
| fieldValue.reset(); |
| aString.setValue(procedure.getLanguage()); |
| stringSerde.serialize(aString, fieldValue.getDataOutput()); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_LANGUAGE_FIELD_INDEX, fieldValue); |
| |
| // write field 7 |
| fieldValue.reset(); |
| aString.setValue(procedure.getDuration()); |
| stringSerde.serialize(aString, fieldValue.getDataOutput()); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_PROCEDURE_DURATION_FIELD_INDEX, fieldValue); |
| |
| // write field 8 |
| dependenciesListBuilder.reset((AOrderedListType) BADMetadataRecordTypes.PROCEDURE_RECORDTYPE |
| .getFieldTypes()[BADMetadataRecordTypes.PROCEDURE_ARECORD_DEPENDENCIES_FIELD_INDEX]); |
| List<List<Triple<DataverseName, String, String>>> dependenciesList = procedure.getDependencies(); |
| for (List<Triple<DataverseName, String, String>> dependencies : dependenciesList) { |
| dependencyListBuilder.reset(listOfLists); |
| for (Triple<DataverseName, String, String> dependency : dependencies) { |
| dependencyNameListBuilder.reset(stringList); |
| getDependencySubNames(dependency, dependencySubnames); |
| for (String subName : dependencySubnames) { |
| itemValue.reset(); |
| aString.setValue(subName); |
| stringSerde.serialize(aString, itemValue.getDataOutput()); |
| dependencyNameListBuilder.addItem(itemValue); |
| } |
| itemValue.reset(); |
| dependencyNameListBuilder.write(itemValue.getDataOutput(), true); |
| dependencyListBuilder.addItem(itemValue); |
| |
| } |
| itemValue.reset(); |
| dependencyListBuilder.write(itemValue.getDataOutput(), true); |
| dependenciesListBuilder.addItem(itemValue); |
| } |
| fieldValue.reset(); |
| dependenciesListBuilder.write(fieldValue.getDataOutput(), true); |
| recordBuilder.addField(BADMetadataRecordTypes.PROCEDURE_ARECORD_DEPENDENCIES_FIELD_INDEX, fieldValue); |
| |
| // write record |
| recordBuilder.write(tupleBuilder.getDataOutput(), true); |
| tupleBuilder.addFieldEndOffset(); |
| |
| tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray()); |
| return tuple; |
| } |
| |
| static void getDependencySubNames(Triple<DataverseName, String, String> dependency, List<String> outList) { |
| outList.clear(); |
| outList.add(dependency.first.getCanonicalForm()); |
| if (dependency.second != null) { |
| outList.add(dependency.second); |
| } |
| if (dependency.third != null) { |
| outList.add(dependency.third); |
| } |
| } |
| } |