| /** |
| * 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 |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * 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.atlas.hive.hook; |
| |
| import org.apache.atlas.model.instance.AtlasEntity; |
| import org.apache.atlas.hive.hook.HiveMetastoreHookImpl.HiveMetastoreHook; |
| import org.apache.atlas.hive.hook.HiveHook.PreprocessAction; |
| import org.apache.atlas.hive.hook.HiveHook.HiveHookObjectNamesCache; |
| import org.apache.commons.lang.RandomStringUtils; |
| import org.apache.hadoop.hive.metastore.IHMSHandler; |
| import org.apache.hadoop.hive.metastore.api.Database; |
| import org.apache.hadoop.hive.metastore.events.*; |
| import org.apache.hadoop.hive.ql.hooks.*; |
| import org.apache.hadoop.hive.ql.metadata.Hive; |
| import org.apache.hadoop.hive.ql.metadata.Table; |
| import org.apache.hadoop.hive.ql.plan.HiveOperation; |
| import org.apache.hadoop.hive.ql.session.SessionState; |
| |
| import java.util.*; |
| |
| import static org.apache.atlas.hive.bridge.HiveMetaStoreBridge.getDatabaseName; |
| import static org.apache.atlas.hive.hook.events.BaseHiveEvent.toTable; |
| |
| |
| public class AtlasHiveHookContext { |
| public static final char QNAME_SEP_METADATA_NAMESPACE = '@'; |
| public static final char QNAME_SEP_ENTITY_NAME = '.'; |
| public static final char QNAME_SEP_PROCESS = ':'; |
| public static final String TEMP_TABLE_PREFIX = "_temp-"; |
| public static final String CREATE_OPERATION = "CREATE"; |
| public static final String ALTER_OPERATION = "ALTER"; |
| |
| private final HiveHook hook; |
| private final HiveOperation hiveOperation; |
| private final HookContext hiveContext; |
| private final Hive hive; |
| private final Map<String, AtlasEntity> qNameEntityMap = new HashMap<>(); |
| private final HiveHookObjectNamesCache knownObjects; |
| private final HiveMetastoreHook metastoreHook; |
| private final ListenerEvent metastoreEvent; |
| private final IHMSHandler metastoreHandler; |
| |
| private boolean isSkippedInputEntity; |
| private boolean isSkippedOutputEntity; |
| private boolean skipTempTables; |
| |
| public AtlasHiveHookContext(HiveHook hook, HiveOperation hiveOperation, HookContext hiveContext, |
| HiveHookObjectNamesCache knownObjects, boolean skipTempTables) throws Exception { |
| this(hook, hiveOperation, hiveContext, knownObjects, null, null, skipTempTables); |
| } |
| |
| public AtlasHiveHookContext(HiveHook hook, HiveOperation hiveOperation, HiveHookObjectNamesCache knownObjects, |
| HiveMetastoreHook metastoreHook, ListenerEvent listenerEvent, boolean skipTempTables) throws Exception { |
| this(hook, hiveOperation, null, knownObjects, metastoreHook, listenerEvent, skipTempTables); |
| } |
| |
| public AtlasHiveHookContext(HiveHook hook, HiveOperation hiveOperation, HookContext hiveContext, HiveHookObjectNamesCache knownObjects, |
| HiveMetastoreHook metastoreHook, ListenerEvent listenerEvent, boolean skipTempTables) throws Exception { |
| this.hook = hook; |
| this.hiveOperation = hiveOperation; |
| this.hiveContext = hiveContext; |
| this.hive = hiveContext != null ? Hive.get(hiveContext.getConf()) : null; |
| this.knownObjects = knownObjects; |
| this.metastoreHook = metastoreHook; |
| this.metastoreEvent = listenerEvent; |
| this.metastoreHandler = (listenerEvent != null) ? metastoreEvent.getIHMSHandler() : null; |
| this.skipTempTables = skipTempTables; |
| |
| init(); |
| } |
| |
| public boolean isMetastoreHook() { |
| return metastoreHook != null; |
| } |
| |
| public ListenerEvent getMetastoreEvent() { |
| return metastoreEvent; |
| } |
| |
| public IHMSHandler getMetastoreHandler() { |
| return metastoreHandler; |
| } |
| |
| public Set<ReadEntity> getInputs() { |
| return hiveContext != null ? hiveContext.getInputs() : Collections.emptySet(); |
| } |
| |
| public Set<WriteEntity> getOutputs() { |
| return hiveContext != null ? hiveContext.getOutputs() : Collections.emptySet(); |
| } |
| |
| public boolean isSkippedInputEntity() { |
| return isSkippedInputEntity; |
| } |
| |
| public boolean isSkippedOutputEntity() { |
| return isSkippedOutputEntity; |
| } |
| |
| public void registerSkippedEntity(Entity entity) { |
| if (entity instanceof ReadEntity) { |
| registerSkippedInputEntity(); |
| } else if (entity instanceof WriteEntity) { |
| registerSkippedOutputEntity(); |
| } |
| } |
| |
| public void registerSkippedInputEntity() { |
| if (!isSkippedInputEntity) { |
| isSkippedInputEntity = true; |
| } |
| } |
| |
| public void registerSkippedOutputEntity() { |
| if (!isSkippedOutputEntity) { |
| isSkippedOutputEntity = true; |
| } |
| } |
| |
| public boolean isSkipTempTables() { |
| return skipTempTables; |
| } |
| |
| public LineageInfo getLineageInfo() { |
| return hiveContext != null ? hiveContext.getLinfo() : null; |
| } |
| |
| public HookContext getHiveContext() { |
| return hiveContext; |
| } |
| |
| public Hive getHive() { |
| return hive; |
| } |
| |
| public HiveOperation getHiveOperation() { |
| return hiveOperation; |
| } |
| |
| public void putEntity(String qualifiedName, AtlasEntity entity) { |
| qNameEntityMap.put(qualifiedName, entity); |
| } |
| |
| public AtlasEntity getEntity(String qualifiedName) { |
| return qNameEntityMap.get(qualifiedName); |
| } |
| |
| public Collection<AtlasEntity> getEntities() { return qNameEntityMap.values(); } |
| |
| public Map<String, AtlasEntity> getQNameToEntityMap() { return qNameEntityMap; } |
| |
| public String getMetadataNamespace() { |
| return hook.getMetadataNamespace(); |
| } |
| |
| public String getHostName() { return hook.getHostName(); } |
| |
| public boolean isConvertHdfsPathToLowerCase() { |
| return hook.isConvertHdfsPathToLowerCase(); |
| } |
| |
| public String getAwsS3AtlasModelVersion() { |
| return hook.getAwsS3AtlasModelVersion(); |
| } |
| |
| public boolean getSkipHiveColumnLineageHive20633() { |
| return hook.getSkipHiveColumnLineageHive20633(); |
| } |
| |
| public int getSkipHiveColumnLineageHive20633InputsThreshold() { |
| return hook.getSkipHiveColumnLineageHive20633InputsThreshold(); |
| } |
| |
| public PreprocessAction getPreprocessActionForHiveTable(String qualifiedName) { |
| return hook.getPreprocessActionForHiveTable(qualifiedName); |
| } |
| |
| public List getIgnoreDummyDatabaseName() { |
| return hook.getIgnoreDummyDatabaseName(); |
| } |
| |
| public List getIgnoreDummyTableName() { |
| return hook.getIgnoreDummyTableName(); |
| } |
| |
| public String getIgnoreValuesTmpTableNamePrefix() { |
| return hook.getIgnoreValuesTmpTableNamePrefix(); |
| } |
| |
| public String getQualifiedName(Database db) { |
| return getDatabaseName(db) + QNAME_SEP_METADATA_NAMESPACE + getMetadataNamespace(); |
| } |
| |
| public String getQualifiedName(Table table) { |
| String tableName = table.getTableName(); |
| |
| if (table.isTemporary()) { |
| if (SessionState.get() != null && SessionState.get().getSessionId() != null) { |
| tableName = tableName + TEMP_TABLE_PREFIX + SessionState.get().getSessionId(); |
| } else { |
| tableName = tableName + TEMP_TABLE_PREFIX + RandomStringUtils.random(10); |
| } |
| } |
| |
| return (table.getDbName() + QNAME_SEP_ENTITY_NAME + tableName + QNAME_SEP_METADATA_NAMESPACE).toLowerCase() + getMetadataNamespace(); |
| } |
| |
| public boolean isKnownDatabase(String dbQualifiedName) { |
| return knownObjects != null && dbQualifiedName != null ? knownObjects.isKnownDatabase(dbQualifiedName) : false; |
| } |
| |
| public boolean isKnownTable(String tblQualifiedName) { |
| return knownObjects != null && tblQualifiedName != null ? knownObjects.isKnownTable(tblQualifiedName) : false; |
| } |
| |
| public void addToKnownEntities(Collection<AtlasEntity> entities) { |
| if (knownObjects != null && entities != null) { |
| knownObjects.addToKnownEntities(entities); |
| } |
| } |
| |
| public void removeFromKnownDatabase(String dbQualifiedName) { |
| if (knownObjects != null && dbQualifiedName != null) { |
| knownObjects.removeFromKnownDatabase(dbQualifiedName); |
| } |
| } |
| |
| public void removeFromKnownTable(String tblQualifiedName) { |
| if (knownObjects != null && tblQualifiedName != null) { |
| knownObjects.removeFromKnownTable(tblQualifiedName); |
| } |
| } |
| |
| public boolean isHiveProcessPopulateDeprecatedAttributes() { |
| return hook.isHiveProcessPopulateDeprecatedAttributes(); |
| } |
| |
| private void init() { |
| if (hiveOperation == null) { |
| return; |
| } |
| |
| String operation = hiveOperation.getOperationName(); |
| |
| if (knownObjects == null || !isCreateAlterOperation(operation)) { |
| return; |
| } |
| |
| List<Database> databases = new ArrayList<>(); |
| List<Table> tables = new ArrayList<>(); |
| |
| if (isMetastoreHook()) { |
| switch (hiveOperation) { |
| case CREATEDATABASE: |
| databases.add(((CreateDatabaseEvent) metastoreEvent).getDatabase()); |
| break; |
| case ALTERDATABASE: |
| databases.add(((AlterDatabaseEvent) metastoreEvent).getOldDatabase()); |
| databases.add(((AlterDatabaseEvent) metastoreEvent).getNewDatabase()); |
| break; |
| case CREATETABLE: |
| tables.add(toTable(((CreateTableEvent) metastoreEvent).getTable())); |
| break; |
| case ALTERTABLE_PROPERTIES: |
| case ALTERTABLE_RENAME: |
| case ALTERTABLE_RENAMECOL: |
| tables.add(toTable(((AlterTableEvent) metastoreEvent).getOldTable())); |
| tables.add(toTable(((AlterTableEvent) metastoreEvent).getNewTable())); |
| break; |
| } |
| } else { |
| if (getOutputs() != null) { |
| for (WriteEntity output : hiveContext.getOutputs()) { |
| switch (output.getType()) { |
| case DATABASE: |
| databases.add(output.getDatabase()); |
| break; |
| case TABLE: |
| tables.add(output.getTable()); |
| break; |
| } |
| } |
| } |
| } |
| |
| for (Database database : databases) { |
| knownObjects.removeFromKnownDatabase(getQualifiedName(database)); |
| } |
| |
| for (Table table : tables) { |
| knownObjects.removeFromKnownTable(getQualifiedName(table)); |
| } |
| } |
| |
| private static boolean isCreateAlterOperation(String operationName) { |
| return operationName != null && operationName.startsWith(CREATE_OPERATION) || operationName.startsWith(ALTER_OPERATION); |
| } |
| } |