content: /*
   * Copyright 1999-2018 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.alibaba.druid.util.jdbc;
  
  import com.alibaba.druid.mock.MockConnection;
  import com.alibaba.druid.mock.MockConnectionClosedException;
  
  import java.sql.*;
  
  public abstract class StatementBase implements Statement {
      private Connection connection;
      private int fetchDirection;
      private int fetchSize;
      private int resultSetType;
      private int resultSetConcurrency;
      private int resultSetHoldability;
      private int maxFieldSize;
      private int maxRows;
      private int queryTimeout;
      private boolean escapeProcessing;
      private String cursorName;
      private SQLWarning warnings;
      private int updateCount;
      protected boolean closed;
      private boolean poolable;
  
      protected ResultSet generatedKeys;
      protected ResultSet resultSet;
  
      public StatementBase(Connection connection) {
          super();
          this.connection = connection;
      }
  
      public Connection getConnection() throws SQLException {
          return connection;
      }
  
      public void setConnection(Connection connection) {
          this.connection = connection;
      }
  
      protected void checkOpen() throws SQLException {
          if (closed) {
              throw new SQLException();
          }
  
          if (this.connection != null) {
              if (this.connection instanceof MockConnection) {
                  ((MockConnection) this.connection).checkState();
              } else if (this.connection.isClosed()) {
                  throw new MockConnectionClosedException();
              }
          }
      }
  
      @Override
      public void setFetchDirection(int direction) throws SQLException {
          checkOpen();
  
          this.fetchDirection = direction;
      }
  
      @Override
      public int getFetchDirection() throws SQLException {
          checkOpen();
          return fetchDirection;
      }
  
      @Override
      public void setFetchSize(int rows) throws SQLException {
          checkOpen();
          this.fetchSize = rows;
      }
  
      @Override
      public int getFetchSize() throws SQLException {
          checkOpen();
          return fetchSize;
      }
  
      public int getResultSetType() throws SQLException {
          checkOpen();
  
          return resultSetType;
      }
  
      public void setResultSetType(int resultType) {
          this.resultSetType = resultType;
      }
  
      public void setResultSetConcurrency(int resultSetConcurrency) {
          this.resultSetConcurrency = resultSetConcurrency;
      }
  
      @Override
      public int getResultSetConcurrency() throws SQLException {
          checkOpen();
          return resultSetConcurrency;
      }
  
      @Override
      public int getResultSetHoldability() throws SQLException {
          checkOpen();
          return resultSetHoldability;
      }
  
      public void setResultSetHoldability(int resultSetHoldability) {
          this.resultSetHoldability = resultSetHoldability;
      }
  
      @Override
      public int getMaxFieldSize() throws SQLException {
          checkOpen();
  
          return maxFieldSize;
      }
  
      @Override
      public void setMaxFieldSize(int max) throws SQLException {
          checkOpen();
  
          this.maxFieldSize = max;
      }
  
      @Override
      public int getMaxRows() throws SQLException {
          checkOpen();
  
          return maxRows;
      }
  
      @Override
      public void setMaxRows(int max) throws SQLException {
          checkOpen();
  
          this.maxRows = max;
      }
  
      @Override
      public void setEscapeProcessing(boolean enable) throws SQLException {
          checkOpen();
          this.escapeProcessing = enable;
      }
  
      public boolean isEscapeProcessing() {
          return escapeProcessing;
      }
  
      @Override
      public int getQueryTimeout() throws SQLException {
          checkOpen();
          return queryTimeout;
      }
  
      @Override
      public void setQueryTimeout(int seconds) throws SQLException {
          checkOpen();
          this.queryTimeout = seconds;
      }
  
      @Override
      public void setCursorName(String name) throws SQLException {
          checkOpen();
  
          cursorName = name;
      }
  
      public String getCursorName() {
          return cursorName;
      }
  
      @Override
      public SQLWarning getWarnings() throws SQLException {
          checkOpen();
  
          return warnings;
      }
  
      @Override
      public void clearWarnings() throws SQLException {
          checkOpen();
  
          warnings = null;
      }
  
      public void setWarning(SQLWarning warning) {
          this.warnings = warning;
      }
  
      @Override
      public int getUpdateCount() throws SQLException {
          checkOpen();
  
          return updateCount;
      }
  
      public void setUpdateCount(int updateCount) {
          this.updateCount = updateCount;
      }
  
      @Override
      public void close() throws SQLException {
          this.closed = true;
      }
  
      @SuppressWarnings("unchecked")
      @Override
      public <T> T unwrap(Class<T> iface) throws SQLException {
          if (isWrapperFor(iface)) {
              return (T) this;
          }
  
          return null;
      }
  
      @Override
      public boolean isWrapperFor(Class<?> iface) throws SQLException {
          if (iface == null) {
              return false;
          }
  
          if (iface == this.getClass() || iface.isInstance(this)) {
              return true;
          }
  
          return false;
      }
  
      public boolean isPoolable() throws SQLException {
          checkOpen();
          return poolable;
      }
  
      public void setPoolable(boolean poolable) throws SQLException {
          checkOpen();
          this.poolable = poolable;
      }
  
      public void closeOnCompletion() throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      public boolean isCloseOnCompletion() throws SQLException {
          throw new SQLFeatureNotSupportedException();
      }
  
      @Override
      public boolean isClosed() throws SQLException {
          return closed;
      }
  
      @Override
      public boolean getMoreResults() throws SQLException {
          checkOpen();
  
          return false;
      }
  
      @Override
      public void addBatch(String sql) throws SQLException {
          checkOpen();
      }
  
      @Override
      public void clearBatch() throws SQLException {
          checkOpen();
      }
  
      @Override
      public ResultSet getGeneratedKeys() throws SQLException {
          checkOpen();
          return this.generatedKeys;
      }
  
      public void setGeneratedKeys(ResultSet generatedKeys) {
          this.generatedKeys = generatedKeys;
      }
  
      @Override
      public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException {
          checkOpen();
          return 0;
      }
  
      @Override
      public int executeUpdate(String sql, int[] columnIndexes) throws SQLException {
          checkOpen();
          return 0;
      }
  
      @Override
      public int executeUpdate(String sql, String[] columnNames) throws SQLException {
          checkOpen();
          return 0;
      }
  
      @Override
      public boolean execute(String sql, int autoGeneratedKeys) throws SQLException {
          checkOpen();
          return false;
      }
  
      @Override
      public boolean execute(String sql, int[] columnIndexes) throws SQLException {
          checkOpen();
          return false;
      }
  
      @Override
      public boolean execute(String sql, String[] columnNames) throws SQLException {
          checkOpen();
          return false;
      }
  
      @Override
      public ResultSet getResultSet() throws SQLException {
          checkOpen();
  
          return resultSet;
      }
  
      @Override
      public int[] executeBatch() throws SQLException {
          checkOpen();
  
          return new int[0];
      }
  
      @Override
      public boolean getMoreResults(int current) throws SQLException {
          checkOpen();
          return false;
      }
  
      public void setWarnings(SQLWarning warnings) {
          this.warnings = warnings;
      }
  
      public void setResultSet(ResultSet resultSet) {
          this.resultSet = resultSet;
      }
  
      @Override
      public boolean execute(String sql) throws SQLException {
          checkOpen();
  
          return false;
      }
  
      @Override
      public ResultSet executeQuery(String sql) throws SQLException {
          return null;
      }
  
      @Override
      public int executeUpdate(String sql) throws SQLException {
          return 0;
      }
  
      @Override
      public void cancel() throws SQLException {
          checkOpen();
      }
  }
  