| /* |
| * 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.drill.jdbc; |
| |
| import com.google.common.base.Preconditions; |
| |
| import java.sql.Array; |
| import java.sql.Blob; |
| import java.sql.CallableStatement; |
| import java.sql.Clob; |
| import java.sql.Connection; |
| import java.sql.DatabaseMetaData; |
| import java.sql.NClob; |
| import java.sql.PreparedStatement; |
| import java.sql.SQLClientInfoException; |
| import java.sql.SQLException; |
| import java.sql.SQLWarning; |
| import java.sql.SQLXML; |
| import java.sql.Savepoint; |
| import java.sql.Statement; |
| import java.sql.Struct; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * A connection decorator that ignores {@link Connection#close} calls. |
| * |
| * All other calls are delegated to inner {@link Connection connection}. |
| */ |
| public final class NonClosableConnection implements Connection { |
| private final Connection delegate; |
| |
| public NonClosableConnection(final Connection delegate) { |
| this.delegate = Preconditions.checkNotNull(delegate, "delegate cannot be null"); |
| } |
| |
| public static NonClosableConnection of(final Connection inner) { |
| return new NonClosableConnection(inner); |
| } |
| |
| public <T> T unwrap(Class<T> iface) throws SQLException { |
| return delegate.unwrap(iface); |
| } |
| |
| public boolean isWrapperFor(Class<?> iface) throws SQLException { |
| return delegate.isWrapperFor(iface); |
| } |
| |
| public Statement createStatement() throws SQLException { |
| return delegate.createStatement(); |
| } |
| |
| public PreparedStatement prepareStatement(String sql) throws SQLException { |
| return delegate.prepareStatement(sql); |
| } |
| |
| public CallableStatement prepareCall(String sql) throws SQLException { |
| return delegate.prepareCall(sql); |
| } |
| |
| public String nativeSQL(String sql) throws SQLException { |
| return delegate.nativeSQL(sql); |
| } |
| |
| public void setAutoCommit(boolean autoCommit) throws SQLException { |
| delegate.setAutoCommit(autoCommit); |
| } |
| |
| public boolean getAutoCommit() throws SQLException { |
| return delegate.getAutoCommit(); |
| } |
| |
| public void commit() throws SQLException { |
| delegate.commit(); |
| } |
| |
| public void rollback() throws SQLException { |
| delegate.rollback(); |
| } |
| |
| public void close() throws SQLException { |
| // noop here. this instance is non-closable. |
| } |
| |
| public boolean isClosed() throws SQLException { |
| return delegate.isClosed(); |
| } |
| |
| public DatabaseMetaData getMetaData() throws SQLException { |
| return delegate.getMetaData(); |
| } |
| |
| public void setReadOnly(boolean readOnly) throws SQLException { |
| delegate.setReadOnly(readOnly); |
| } |
| |
| public boolean isReadOnly() throws SQLException { |
| return delegate.isReadOnly(); |
| } |
| |
| public void setCatalog(String catalog) throws SQLException { |
| delegate.setCatalog(catalog); |
| } |
| |
| public String getCatalog() throws SQLException { |
| return delegate.getCatalog(); |
| } |
| |
| public void setTransactionIsolation(int level) throws SQLException { |
| delegate.setTransactionIsolation(level); |
| } |
| |
| public int getTransactionIsolation() throws SQLException { |
| return delegate.getTransactionIsolation(); |
| } |
| |
| public SQLWarning getWarnings() throws SQLException { |
| return delegate.getWarnings(); |
| } |
| |
| public void clearWarnings() throws SQLException { |
| delegate.clearWarnings(); |
| } |
| |
| public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException { |
| return delegate.createStatement(resultSetType, resultSetConcurrency); |
| } |
| |
| public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException { |
| return delegate.prepareStatement(sql, resultSetType, resultSetConcurrency); |
| } |
| |
| public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException { |
| return delegate.prepareCall(sql, resultSetType, resultSetConcurrency); |
| } |
| |
| public Map<String, Class<?>> getTypeMap() throws SQLException { |
| return delegate.getTypeMap(); |
| } |
| |
| public void setTypeMap(Map<String, Class<?>> map) throws SQLException { |
| delegate.setTypeMap(map); |
| } |
| |
| public void setHoldability(int holdability) throws SQLException { |
| delegate.setHoldability(holdability); |
| } |
| |
| public int getHoldability() throws SQLException { |
| return delegate.getHoldability(); |
| } |
| |
| public Savepoint setSavepoint() throws SQLException { |
| return delegate.setSavepoint(); |
| } |
| |
| public Savepoint setSavepoint(String name) throws SQLException { |
| return delegate.setSavepoint(name); |
| } |
| |
| public void rollback(Savepoint savepoint) throws SQLException { |
| delegate.rollback(savepoint); |
| } |
| |
| public void releaseSavepoint(Savepoint savepoint) throws SQLException { |
| delegate.releaseSavepoint(savepoint); |
| } |
| |
| public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { |
| return delegate.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability); |
| } |
| |
| public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { |
| return delegate.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability); |
| } |
| |
| public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { |
| return delegate.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability); |
| } |
| |
| public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException { |
| return delegate.prepareStatement(sql, autoGeneratedKeys); |
| } |
| |
| public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException { |
| return delegate.prepareStatement(sql, columnIndexes); |
| } |
| |
| public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException { |
| return delegate.prepareStatement(sql, columnNames); |
| } |
| |
| public Clob createClob() throws SQLException { |
| return delegate.createClob(); |
| } |
| |
| public Blob createBlob() throws SQLException { |
| return delegate.createBlob(); |
| } |
| |
| public NClob createNClob() throws SQLException { |
| return delegate.createNClob(); |
| } |
| |
| public SQLXML createSQLXML() throws SQLException { |
| return delegate.createSQLXML(); |
| } |
| |
| public boolean isValid(int timeout) throws SQLException { |
| return delegate.isValid(timeout); |
| } |
| |
| public void setClientInfo(String name, String value) throws SQLClientInfoException { |
| delegate.setClientInfo(name, value); |
| } |
| |
| public void setClientInfo(Properties properties) throws SQLClientInfoException { |
| delegate.setClientInfo(properties); |
| } |
| |
| public String getClientInfo(String name) throws SQLException { |
| return delegate.getClientInfo(name); |
| } |
| |
| public Properties getClientInfo() throws SQLException { |
| return delegate.getClientInfo(); |
| } |
| |
| public Array createArrayOf(String typeName, Object[] elements) throws SQLException { |
| return delegate.createArrayOf(typeName, elements); |
| } |
| |
| public Struct createStruct(String typeName, Object[] attributes) throws SQLException { |
| return delegate.createStruct(typeName, attributes); |
| } |
| |
| public void setSchema(String schema) throws SQLException { |
| delegate.setSchema(schema); |
| } |
| |
| public String getSchema() throws SQLException { |
| return delegate.getSchema(); |
| } |
| |
| public void abort(Executor executor) throws SQLException { |
| delegate.abort(executor); |
| } |
| |
| public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException { |
| delegate.setNetworkTimeout(executor, milliseconds); |
| } |
| |
| public int getNetworkTimeout() throws SQLException { |
| return delegate.getNetworkTimeout(); |
| } |
| } |