content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    Licensed 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 com.aliyun.fastmodel.driver.client;
  
  import com.aliyun.fastmodel.driver.client.command.BaseCommandProperties;
  import com.aliyun.fastmodel.driver.client.command.ExecuteCommand;
  import com.aliyun.fastmodel.driver.client.exception.FastModelException;
  import com.aliyun.fastmodel.driver.client.metadata.FastModelDataBaseMetadata;
  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.ResultSet;
  import java.sql.SQLClientInfoException;
  import java.sql.SQLException;
  import java.sql.SQLFeatureNotSupportedException;
  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;
  import lombok.Getter;
  import lombok.extern.slf4j.Slf4j;
  
  /**
   * FastModelEngineConnection
   *
   * @author panguanjing
   * @date 2020/12/3
   */
  @Slf4j
  @Getter
  public class FastModelEngineConnection implements Connection {
  
      private String url;
  
      private boolean closed = false;
  
      private BaseCommandProperties commandProperties;
  
      private ExecuteCommand strategy;
  
      public FastModelEngineConnection(String url,
                                       ExecuteCommand executeCommand) throws FastModelException {
          try {
              this.url = url;
              strategy = executeCommand;
              commandProperties = executeCommand.getProperties();
              strategy.init();
          } catch (Exception e) {
              throw new FastModelException("get connection error", e, url);
          }
      }
  
      @Override
      public Statement createStatement() throws SQLException {
          return new FastModelEngineStatement(this, ResultSet.TYPE_FORWARD_ONLY);
      }
  
      @Override
      public PreparedStatement prepareStatement(String sql) throws SQLException {
          return new FastModelEnginePrepareStatement(this, sql, ResultSet.TYPE_FORWARD_ONLY);
      }
  
      @Override
      public CallableStatement prepareCall(String sql) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public String nativeSQL(String sql) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public void setAutoCommit(boolean autoCommit) throws SQLException {
  
      }
  
      @Override
      public boolean getAutoCommit() throws SQLException {
          return false;
      }
  
      @Override
      public void commit() throws SQLException {
  
      }
  
      @Override
      public void rollback() throws SQLException {
  
      }
  
      @Override
      public void close() throws SQLException {
          strategy.close();
          closed = true;
      }
  
      @Override
      public boolean isClosed() throws SQLException {
          return closed;
      }
  
      @Override
      public DatabaseMetaData getMetaData() throws SQLException {
          return new FastModelDataBaseMetadata(url, this);
      }
  
      @Override
      public void setReadOnly(boolean readOnly) throws SQLException {
  
      }
  
      @Override
      public boolean isReadOnly() throws SQLException {
          return false;
      }
  
      @Override
      public void setCatalog(String catalog) throws SQLException {
  
      }
  
      @Override
      public String getCatalog() throws SQLException {
          return null;
      }
  
      @Override
      public void setTransactionIsolation(int level) throws SQLException {
  
      }
  
      @Override
      public int getTransactionIsolation() throws SQLException {
          return Connection.TRANSACTION_NONE;
      }
  
      @Override
      public SQLWarning getWarnings() throws SQLException {
          return null;
      }
  
      @Override
      public void clearWarnings() throws SQLException {
  
      }
  
      @Override
      public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
          return new FastModelEngineStatement(this, resultSetType);
      }
  
      @Override
      public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
          throws SQLException {
          return new FastModelEnginePrepareStatement(this, sql, resultSetType);
      }
  
      @Override
      public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public Map<String, Class<?>> getTypeMap() throws SQLException {
          return null;
      }
  
      @Override
      public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
  
      }
  
      @Override
      public void setHoldability(int holdability) throws SQLException {
  
      }
  
      @Override
      public int getHoldability() throws SQLException {
          return 0;
      }
  
      @Override
      public Savepoint setSavepoint() throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public Savepoint setSavepoint(String name) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public void rollback(Savepoint savepoint) throws SQLException {
  
      }
  
      @Override
      public void releaseSavepoint(Savepoint savepoint) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
          throws SQLException {
          return new FastModelEngineStatement(this, resultSetType);
      }
  
      @Override
      public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency,
                                                int resultSetHoldability) throws SQLException {
          return new FastModelEnginePrepareStatement(this, sql, resultSetType);
      }
  
      @Override
      public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
                                           int resultSetHoldability) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public Clob createClob() throws SQLException {
          return null;
      }
  
      @Override
      public Blob createBlob() throws SQLException {
          return null;
      }
  
      @Override
      public NClob createNClob() throws SQLException {
          return null;
      }
  
      @Override
      public SQLXML createSQLXML() throws SQLException {
          return null;
      }
  
      @Override
      public boolean isValid(int timeout) throws SQLException {
          if (timeout < 0) {
              throw new SQLException("Timeout value mustn't be less 0");
          }
          if (isClosed()) {
              return false;
          }
          return true;
      }
  
      @Override
      public void setClientInfo(String name, String value) throws SQLClientInfoException {
  
      }
  
      @Override
      public void setClientInfo(Properties properties) throws SQLClientInfoException {
  
      }
  
      @Override
      public String getClientInfo(String name) throws SQLException {
          return getCommandProperties().asProperty().getProperty(name);
      }
  
      @Override
      public Properties getClientInfo() throws SQLException {
          return getCommandProperties().asProperty();
      }
  
      @Override
      public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
          return null;
      }
  
      @Override
      public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public void setSchema(String schema) throws SQLException {
          getCommandProperties().setDatabase(schema);
      }
  
      @Override
      public String getSchema() throws SQLException {
          return getCommandProperties().getDatabase();
      }
  
      @Override
      public void abort(Executor executor) throws SQLException {
          close();
      }
  
      @Override
      public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
  
      }
  
      @Override
      public int getNetworkTimeout() throws SQLException {
          return 0;
      }
  
      @Override
      public <T> T unwrap(Class<T> iface) throws SQLException {
          if (iface.isAssignableFrom(getClass())) {
              return iface.cast(this);
          }
          throw new SQLException("Cannot unwrap to " + iface.getName());
      }
  
      @Override
      public boolean isWrapperFor(Class<?> iface) throws SQLException {
          return iface.isAssignableFrom(getClass());
      }
  }
  