package me.zzp.ar.pool;

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;

/**
 *
 * @author redraiment
 * @since 2.2
 * @see SingleConnectionDataSource
 */
final class SingletonConnection implements Connection {
  private final Connection c;

  SingletonConnection(Connection c) {
    this.c = c;
  }

  @Override
  public Statement createStatement() throws SQLException {
    return c.createStatement();
  }

  @Override
  public PreparedStatement prepareStatement(String sql) throws SQLException {
    return new SingletonPreparedStatement(this, c.prepareStatement(sql));
  }

  @Override
  public CallableStatement prepareCall(String sql) throws SQLException {
    return c.prepareCall(sql);
  }

  @Override
  public String nativeSQL(String sql) throws SQLException {
    return c.nativeSQL(sql);
  }

  @Override
  public void setAutoCommit(boolean autoCommit) throws SQLException {
    c.setAutoCommit(autoCommit);
  }

  @Override
  public boolean getAutoCommit() throws SQLException {
    return c.getAutoCommit();
  }

  @Override
  public void commit() throws SQLException {
    c.commit();
  }

  @Override
  public void rollback() throws SQLException {
    c.rollback();
  }

  @Override
  public void close() throws SQLException {
  }

  @Override
  public boolean isClosed() throws SQLException {
    return c.isClosed();
  }

  @Override
  public DatabaseMetaData getMetaData() throws SQLException {
    return c.getMetaData();
  }

  @Override
  public void setReadOnly(boolean readOnly) throws SQLException {
    c.setReadOnly(readOnly);
  }

  @Override
  public boolean isReadOnly() throws SQLException {
    return c.isReadOnly();
  }

  @Override
  public void setCatalog(String catalog) throws SQLException {
    c.setCatalog(catalog);
  }

  @Override
  public String getCatalog() throws SQLException {
    return c.getCatalog();
  }

  @Override
  public void setTransactionIsolation(int level) throws SQLException {
    c.setTransactionIsolation(level);
  }

  @Override
  public int getTransactionIsolation() throws SQLException {
    return c.getTransactionIsolation();
  }

  @Override
  public SQLWarning getWarnings() throws SQLException {
    return c.getWarnings();
  }

  @Override
  public void clearWarnings() throws SQLException {
    c.clearWarnings();
  }

  @Override
  public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
    return c.createStatement(resultSetType, resultSetConcurrency);
  }

  @Override
  public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
    return new SingletonPreparedStatement(this, c.prepareStatement(sql, resultSetType, resultSetConcurrency));
  }

  @Override
  public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
    return c.prepareCall(sql, resultSetType, resultSetConcurrency);
  }

  @Override
  public Map<String, Class<?>> getTypeMap() throws SQLException {
    return c.getTypeMap();
  }

  @Override
  public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
    c.setTypeMap(map);
  }

  @Override
  public void setHoldability(int holdability) throws SQLException {
    c.setHoldability(holdability);
  }

  @Override
  public int getHoldability() throws SQLException {
    return c.getHoldability();
  }

  @Override
  public Savepoint setSavepoint() throws SQLException {
    return c.setSavepoint();
  }

  @Override
  public Savepoint setSavepoint(String name) throws SQLException {
    return c.setSavepoint(name);
  }

  @Override
  public void rollback(Savepoint savepoint) throws SQLException {
    c.rollback(savepoint);
  }

  @Override
  public void releaseSavepoint(Savepoint savepoint) throws SQLException {
    c.releaseSavepoint(savepoint);
  }

  @Override
  public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
    return c.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
  }

  @Override
  public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
    return new SingletonPreparedStatement(this, c.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability));
  }

  @Override
  public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
    return c.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
  }

  @Override
  public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
    return new SingletonPreparedStatement(this, c.prepareStatement(sql, autoGeneratedKeys));
  }

  @Override
  public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
    return new SingletonPreparedStatement(this, c.prepareStatement(sql, columnIndexes));
  }

  @Override
  public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
    return new SingletonPreparedStatement(this, c.prepareStatement(sql, columnNames));
  }

  @Override
  public Clob createClob() throws SQLException {
    return c.createClob();
  }

  @Override
  public Blob createBlob() throws SQLException {
    return c.createBlob();
  }

  @Override
  public NClob createNClob() throws SQLException {
    return c.createNClob();
  }

  @Override
  public SQLXML createSQLXML() throws SQLException {
    return c.createSQLXML();
  }

  @Override
  public boolean isValid(int timeout) throws SQLException {
    return c.isValid(timeout);
  }

  @Override
  public void setClientInfo(String name, String value) throws SQLClientInfoException {
    c.setClientInfo(name, value);
  }

  @Override
  public void setClientInfo(Properties properties) throws SQLClientInfoException {
    c.setClientInfo(properties);
  }

  @Override
  public String getClientInfo(String name) throws SQLException {
    return c.getClientInfo(name);
  }

  @Override
  public Properties getClientInfo() throws SQLException {
    return c.getClientInfo();
  }

  @Override
  public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
    return c.createArrayOf(typeName, elements);
  }

  @Override
  public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
    return c.createStruct(typeName, attributes);
  }

  @Override
  public void setSchema(String schema) throws SQLException {
    c.setSchema(schema);
  }

  @Override
  public String getSchema() throws SQLException {
    return c.getSchema();
  }

  @Override
  public void abort(Executor executor) throws SQLException {
    c.abort(executor);
  }

  @Override
  public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
    c.setNetworkTimeout(executor, milliseconds);
  }

  @Override
  public int getNetworkTimeout() throws SQLException {
    return c.getNetworkTimeout();
  }

  @Override
  public <T> T unwrap(Class<T> iface) throws SQLException {
    return c.unwrap(iface);
  }

  @Override
  public boolean isWrapperFor(Class<?> iface) throws SQLException {
    return c.isWrapperFor(iface);
  }
}