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[core] Introduce DelegateCatalog (#3824)
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162 changes: 162 additions & 0 deletions
162
paimon-core/src/main/java/org/apache/paimon/catalog/DelegateCatalog.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.paimon.catalog; | ||
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| import org.apache.paimon.fs.FileIO; | ||
| import org.apache.paimon.metastore.MetastoreClient; | ||
| import org.apache.paimon.schema.Schema; | ||
| import org.apache.paimon.schema.SchemaChange; | ||
| import org.apache.paimon.table.Table; | ||
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| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
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| /** A {@link Catalog} to delegate all operations to another {@link Catalog}. */ | ||
| public class DelegateCatalog implements Catalog { | ||
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| protected final Catalog wrapped; | ||
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| public DelegateCatalog(Catalog wrapped) { | ||
| this.wrapped = wrapped; | ||
| } | ||
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| public Catalog wrapped() { | ||
| return wrapped; | ||
| } | ||
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| @Override | ||
| public boolean caseSensitive() { | ||
| return wrapped.caseSensitive(); | ||
| } | ||
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| @Override | ||
| public String warehouse() { | ||
| return wrapped.warehouse(); | ||
| } | ||
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| @Override | ||
| public Map<String, String> options() { | ||
| return wrapped.options(); | ||
| } | ||
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| @Override | ||
| public FileIO fileIO() { | ||
| return wrapped.fileIO(); | ||
| } | ||
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| @Override | ||
| public Optional<CatalogLockFactory> lockFactory() { | ||
| return wrapped.lockFactory(); | ||
| } | ||
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| @Override | ||
| public Optional<CatalogLockContext> lockContext() { | ||
| return wrapped.lockContext(); | ||
| } | ||
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| @Override | ||
| public Optional<MetastoreClient.Factory> metastoreClientFactory(Identifier identifier) { | ||
| return wrapped.metastoreClientFactory(identifier); | ||
| } | ||
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| @Override | ||
| public List<String> listDatabases() { | ||
| return wrapped.listDatabases(); | ||
| } | ||
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| @Override | ||
| public void createDatabase(String name, boolean ignoreIfExists, Map<String, String> properties) | ||
| throws DatabaseAlreadyExistException { | ||
| wrapped.createDatabase(name, ignoreIfExists, properties); | ||
| } | ||
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| @Override | ||
| public Map<String, String> loadDatabaseProperties(String name) | ||
| throws DatabaseNotExistException { | ||
| return wrapped.loadDatabaseProperties(name); | ||
| } | ||
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| @Override | ||
| public void dropDatabase(String name, boolean ignoreIfNotExists, boolean cascade) | ||
| throws DatabaseNotExistException, DatabaseNotEmptyException { | ||
| wrapped.dropDatabase(name, ignoreIfNotExists, cascade); | ||
| } | ||
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| @Override | ||
| public List<String> listTables(String databaseName) throws DatabaseNotExistException { | ||
| return wrapped.listTables(databaseName); | ||
| } | ||
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| @Override | ||
| public void dropTable(Identifier identifier, boolean ignoreIfNotExists) | ||
| throws TableNotExistException { | ||
| wrapped.dropTable(identifier, ignoreIfNotExists); | ||
| } | ||
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| @Override | ||
| public void createTable(Identifier identifier, Schema schema, boolean ignoreIfExists) | ||
| throws TableAlreadyExistException, DatabaseNotExistException { | ||
| wrapped.createTable(identifier, schema, ignoreIfExists); | ||
| } | ||
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| @Override | ||
| public void renameTable(Identifier fromTable, Identifier toTable, boolean ignoreIfNotExists) | ||
| throws TableNotExistException, TableAlreadyExistException { | ||
| wrapped.renameTable(fromTable, toTable, ignoreIfNotExists); | ||
| } | ||
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| @Override | ||
| public void alterTable( | ||
| Identifier identifier, List<SchemaChange> changes, boolean ignoreIfNotExists) | ||
| throws TableNotExistException, ColumnAlreadyExistException, ColumnNotExistException { | ||
| wrapped.alterTable(identifier, changes, ignoreIfNotExists); | ||
| } | ||
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| @Override | ||
| public Table getTable(Identifier identifier) throws TableNotExistException { | ||
| return wrapped.getTable(identifier); | ||
| } | ||
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| @Override | ||
| public void dropPartition(Identifier identifier, Map<String, String> partitions) | ||
| throws TableNotExistException, PartitionNotExistException { | ||
| wrapped.dropPartition(identifier, partitions); | ||
| } | ||
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| @Override | ||
| public void repairCatalog() { | ||
| wrapped.repairCatalog(); | ||
| } | ||
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| @Override | ||
| public void repairDatabase(String databaseName) { | ||
| wrapped.repairDatabase(databaseName); | ||
| } | ||
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| @Override | ||
| public void repairTable(Identifier identifier) throws TableNotExistException { | ||
| wrapped.repairTable(identifier); | ||
| } | ||
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| @Override | ||
| public void close() throws Exception { | ||
| wrapped.close(); | ||
| } | ||
| } |
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