package com.github.davidmoten.rx.jdbc;
   
   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;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  /**
   * Wraps a single {@link Connection} so that calls to {@link Connection#close()}
   * are ignored. When calling close isClosed will change from false to true but
   * the underlying connection will not really be closed.
   */
  final class ConnectionNonClosing implements Connection {
  
      private final Connection con;
      private final AtomicBoolean isClosed = new AtomicBoolean(false);
  
      /**
       * Constructor.
       * 
       * @param con
       *            underlying connection that will not be closed by this class
       */
      public ConnectionNonClosing(Connection con) {
          this.con = con;
      }
  
      @Override
      public <T> T unwrap(Class<T> iface) throws SQLException {
          return con.unwrap(iface);
      }
  
      @Override
      public boolean isWrapperFor(Class<?> iface) throws SQLException {
          return con.isWrapperFor(iface);
      }
  
      @Override
      public Statement createStatement() throws SQLException {
          return con.createStatement();
      }
  
      @Override
      public PreparedStatement prepareStatement(String sql) throws SQLException {
          return con.prepareStatement(sql);
      }
  
      @Override
      public CallableStatement prepareCall(String sql) throws SQLException {
          return con.prepareCall(sql);
      }
  
      @Override
      public String nativeSQL(String sql) throws SQLException {
          return con.nativeSQL(sql);
      }
  
      @Override
      public void setAutoCommit(boolean autoCommit) throws SQLException {
          con.setAutoCommit(autoCommit);
      }
  
      @Override
      public boolean getAutoCommit() throws SQLException {
          return con.getAutoCommit();
      }
  
      @Override
      public void commit() throws SQLException {
          con.commit();
      }
  
      @Override
      public void rollback() throws SQLException {
          con.rollback();
      }
  
      @Override
      public void close() throws SQLException {
          // don't close the underlying connection
          isClosed.set(true);
      }
  
      @Override
     public boolean isClosed() throws SQLException {
         return isClosed.get();
     }
 
     @Override
     public DatabaseMetaData getMetaData() throws SQLException {
         return con.getMetaData();
     }
 
     @Override
     public void setReadOnly(boolean readOnly) throws SQLException {
         con.setReadOnly(readOnly);
     }
 
     @Override
     public boolean isReadOnly() throws SQLException {
         return con.isReadOnly();
     }
 
     @Override
     public void setCatalog(String catalog) throws SQLException {
         con.setCatalog(catalog);
     }
 
     @Override
     public String getCatalog() throws SQLException {
         return con.getCatalog();
     }
 
     @Override
     public void setTransactionIsolation(int level) throws SQLException {
         con.setTransactionIsolation(level);
     }
 
     @Override
     public int getTransactionIsolation() throws SQLException {
         return con.getTransactionIsolation();
     }
 
     @Override
     public SQLWarning getWarnings() throws SQLException {
         return con.getWarnings();
     }
 
     @Override
     public void clearWarnings() throws SQLException {
         con.clearWarnings();
     }
 
     @Override
     public Statement createStatement(int resultSetType, int resultSetConcurrency)
             throws SQLException {
         return con.createStatement(resultSetType, resultSetConcurrency);
     }
 
     @Override
     public PreparedStatement prepareStatement(String sql, int resultSetType,
             int resultSetConcurrency) throws SQLException {
         return con.prepareStatement(sql, resultSetType, resultSetConcurrency);
     }
 
     @Override
     public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency)
             throws SQLException {
         return con.prepareCall(sql, resultSetType, resultSetConcurrency);
     }
 
     @Override
     public Map<String, Class<?>> getTypeMap() throws SQLException {
         return con.getTypeMap();
     }
 
     @Override
     public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
         con.setTypeMap(map);
     }
 
     @Override
     public void setHoldability(int holdability) throws SQLException {
         con.setHoldability(holdability);
     }
 
     @Override
     public int getHoldability() throws SQLException {
         return con.getHoldability();
     }
 
     @Override
     public Savepoint setSavepoint() throws SQLException {
         return con.setSavepoint();
     }
 
     @Override
     public Savepoint setSavepoint(String name) throws SQLException {
         return con.setSavepoint(name);
     }
 
     @Override
     public void rollback(Savepoint savepoint) throws SQLException {
         con.rollback(savepoint);
     }
 
     @Override
     public void releaseSavepoint(Savepoint savepoint) throws SQLException {
         con.releaseSavepoint(savepoint);
     }
 
     @Override
     public Statement createStatement(int resultSetType, int resultSetConcurrency,
             int resultSetHoldability) throws SQLException {
         return con.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
     }
 
     @Override
     public PreparedStatement prepareStatement(String sql, int resultSetType,
             int resultSetConcurrency, int resultSetHoldability) throws SQLException {
         return con.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
     }
 
     @Override
     public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
             int resultSetHoldability) throws SQLException {
         return con.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
     }
 
     @Override
     public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
             throws SQLException {
         return con.prepareStatement(sql, autoGeneratedKeys);
     }
 
     @Override
     public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
         return con.prepareStatement(sql, columnIndexes);
     }
 
     @Override
     public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
         return con.prepareStatement(sql, columnNames);
     }
 
     @Override
     public Clob createClob() throws SQLException {
         return con.createClob();
     }
 
     @Override
     public Blob createBlob() throws SQLException {
         return con.createBlob();
     }
 
     @Override
     public NClob createNClob() throws SQLException {
         return con.createNClob();
     }
 
     @Override
     public SQLXML createSQLXML() throws SQLException {
         return con.createSQLXML();
     }
 
     @Override
     public boolean isValid(int timeout) throws SQLException {
         return con.isValid(timeout);
     }
 
     @Override
     public void setClientInfo(String name, String value) throws SQLClientInfoException {
         con.setClientInfo(name, value);
     }
 
     @Override
     public void setClientInfo(Properties properties) throws SQLClientInfoException {
         con.setClientInfo(properties);
     }
 
     @Override
     public String getClientInfo(String name) throws SQLException {
         return con.getClientInfo(name);
     }
 
     @Override
     public Properties getClientInfo() throws SQLException {
         return con.getClientInfo();
     }
 
     @Override
     public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
         return con.createArrayOf(typeName, elements);
     }
 
     @Override
     public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
         return con.createStruct(typeName, attributes);
     }
 
     @Override
     public void setSchema(String schema) throws SQLException {
         con.setSchema(schema);
     }
 
     @Override
     public String getSchema() throws SQLException {
         return con.getSchema();
     }
 
     @Override
     public void abort(Executor executor) throws SQLException {
         con.abort(executor);
     }
 
     @Override
     public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
         con.setNetworkTimeout(executor, milliseconds);
     }
 
     @Override
     public int getNetworkTimeout() throws SQLException {
         return con.getNetworkTimeout();
     }
 }