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org.eclipse.edc.transaction.local.ConnectionWrapper Maven / Gradle / Ivy
/*
* Copyright (c) 2021 Microsoft Corporation
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0
*
* SPDX-License-Identifier: Apache-2.0
*
* Contributors:
* Microsoft Corporation - initial API and implementation
*
*/
package org.eclipse.edc.transaction.local;
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;
/**
* Wraps an underlying JDBC connection so that @link {@link #close()} invocations are ignored. When a transaction commits, the resource manner will call close
* on the unwrapped connection.
*/
class ConnectionWrapper implements Connection {
private final Connection delegate;
ConnectionWrapper(Connection delegate) {
this.delegate = delegate;
}
public Connection getWrappedConnection() {
return delegate;
}
@Override
public Statement createStatement() throws SQLException {
return delegate.createStatement();
}
@Override
public PreparedStatement prepareStatement(String sql) throws SQLException {
return delegate.prepareStatement(sql);
}
@Override
public CallableStatement prepareCall(String sql) throws SQLException {
return delegate.prepareCall(sql);
}
@Override
public String nativeSQL(String sql) throws SQLException {
return delegate.nativeSQL(sql);
}
@Override
public void setAutoCommit(boolean autoCommit) throws SQLException {
throw new UnsupportedOperationException();
}
@Override
public boolean getAutoCommit() {
return false;
}
@Override
public void commit() {
throw new UnsupportedOperationException("Commit must not be called directly as transaction boundaries are handled by the transaction context.");
}
@Override
public void rollback() {
throw new UnsupportedOperationException("Rollback must not be called directly as transaction boundaries are handled by the transaction context.");
}
@Override
public void close() {
// no-op
}
@Override
public boolean isClosed() {
return false;
}
@Override
public DatabaseMetaData getMetaData() throws SQLException {
return delegate.getMetaData();
}
@Override
public void setReadOnly(boolean readOnly) throws SQLException {
delegate.setReadOnly(readOnly);
}
@Override
public boolean isReadOnly() throws SQLException {
return delegate.isReadOnly();
}
@Override
public void setCatalog(String catalog) throws SQLException {
delegate.setCatalog(catalog);
}
@Override
public String getCatalog() throws SQLException {
return delegate.getCatalog();
}
@Override
public void setTransactionIsolation(int level) throws SQLException {
delegate.setTransactionIsolation(level);
}
@Override
public int getTransactionIsolation() throws SQLException {
return delegate.getTransactionIsolation();
}
@Override
public SQLWarning getWarnings() throws SQLException {
return delegate.getWarnings();
}
@Override
public void clearWarnings() throws SQLException {
delegate.clearWarnings();
}
@Override
public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
return delegate.createStatement(resultSetType, resultSetConcurrency);
}
@Override
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
return delegate.prepareStatement(sql, resultSetType, resultSetConcurrency);
}
@Override
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
return delegate.prepareCall(sql, resultSetType, resultSetConcurrency);
}
@Override
public Map> getTypeMap() throws SQLException {
return delegate.getTypeMap();
}
@Override
public void setTypeMap(Map> map) throws SQLException {
delegate.setTypeMap(map);
}
@Override
public void setHoldability(int holdability) throws SQLException {
delegate.setHoldability(holdability);
}
@Override
public int getHoldability() throws SQLException {
return delegate.getHoldability();
}
@Override
public Savepoint setSavepoint() throws SQLException {
return delegate.setSavepoint();
}
@Override
public Savepoint setSavepoint(String name) throws SQLException {
return delegate.setSavepoint(name);
}
@Override
public void rollback(Savepoint savepoint) throws SQLException {
delegate.rollback(savepoint);
}
@Override
public void releaseSavepoint(Savepoint savepoint) throws SQLException {
delegate.releaseSavepoint(savepoint);
}
@Override
public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
return delegate.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
}
@Override
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
return delegate.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
}
@Override
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
return delegate.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
}
@Override
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
return delegate.prepareStatement(sql, autoGeneratedKeys);
}
@Override
public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
return delegate.prepareStatement(sql, columnIndexes);
}
@Override
public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
return delegate.prepareStatement(sql, columnNames);
}
@Override
public Clob createClob() throws SQLException {
return delegate.createClob();
}
@Override
public Blob createBlob() throws SQLException {
return delegate.createBlob();
}
@Override
public NClob createNClob() throws SQLException {
return delegate.createNClob();
}
@Override
public SQLXML createSQLXML() throws SQLException {
return delegate.createSQLXML();
}
@Override
public boolean isValid(int timeout) throws SQLException {
return delegate.isValid(timeout);
}
@Override
public void setClientInfo(String name, String value) throws SQLClientInfoException {
delegate.setClientInfo(name, value);
}
@Override
public void setClientInfo(Properties properties) throws SQLClientInfoException {
delegate.setClientInfo(properties);
}
@Override
public String getClientInfo(String name) throws SQLException {
return delegate.getClientInfo(name);
}
@Override
public Properties getClientInfo() throws SQLException {
return delegate.getClientInfo();
}
@Override
public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
return delegate.createArrayOf(typeName, elements);
}
@Override
public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
return delegate.createStruct(typeName, attributes);
}
@Override
public void setSchema(String schema) throws SQLException {
delegate.setSchema(schema);
}
@Override
public String getSchema() throws SQLException {
return delegate.getSchema();
}
@Override
public void abort(Executor executor) throws SQLException {
delegate.abort(executor);
}
@Override
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
delegate.setNetworkTimeout(executor, milliseconds);
}
@Override
public int getNetworkTimeout() throws SQLException {
return delegate.getNetworkTimeout();
}
@Override
public T unwrap(Class iface) throws SQLException {
return delegate.unwrap(iface);
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
return delegate.isWrapperFor(iface);
}
}
