TesterResultSetMetaData.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.zeppelin.tajo;

import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.ArrayList;
import java.util.List;

/**
 * A dummy {@link java.sql.ResultSetMetaData}, for testing purposes.
 */
public class TesterResultSetMetaData implements ResultSetMetaData {

  // Dummy columns
  private List<String> columns = null;

  public TesterResultSetMetaData() {
    columns = new ArrayList<String>();
    columns.add("id");
    columns.add("name");
    columns.add("score");
    columns.add("type");
  }

  @Override
  public int getColumnCount() throws SQLException {
    return columns.size();
  }

  @Override
  public boolean isAutoIncrement(int column) throws SQLException {
    return false;
  }

  @Override
  public boolean isCaseSensitive(int column) throws SQLException {
    return false;
  }

  @Override
  public boolean isSearchable(int column) throws SQLException {
    return false;
  }

  @Override
  public boolean isCurrency(int column) throws SQLException {
    return false;
  }

  @Override
  public int isNullable(int column) throws SQLException {
    return 0;
  }

  @Override
  public boolean isSigned(int column) throws SQLException {
    return false;
  }

  @Override
  public int getColumnDisplaySize(int column) throws SQLException {
    return 0;
  }

  @Override
  public String getColumnLabel(int column) throws SQLException {
    throw new SQLFeatureNotSupportedException("Not supported.");
  }

  @Override
  public String getColumnName(int column) throws SQLException {
    return columns.get(column - 1);
  }

  @Override
  public String getSchemaName(int column) throws SQLException {
    throw new SQLFeatureNotSupportedException("Not supported.");
  }

  @Override
  public int getPrecision(int column) throws SQLException {
    return 0;
  }

  @Override
  public int getScale(int column) throws SQLException {
    return 0;
  }

  @Override
  public String getTableName(int column) throws SQLException {
    return null;
  }

  @Override
  public String getCatalogName(int column) throws SQLException {
    return null;
  }

  @Override
  public int getColumnType(int column) throws SQLException {
    return 0;
  }

  @Override
  public String getColumnTypeName(int column) throws SQLException {
    throw new SQLFeatureNotSupportedException("Not supported.");
  }

  @Override
  public boolean isReadOnly(int column) throws SQLException {
    return false;
  }

  @Override
  public boolean isWritable(int column) throws SQLException {
    return false;
  }

  @Override
  public boolean isDefinitelyWritable(int column) throws SQLException {
    return false;
  }

  @Override
  public String getColumnClassName(int column) throws SQLException {
    throw new SQLFeatureNotSupportedException("Not supported.");
  }

  @Override
  public <T> T unwrap(Class<T> iface) throws SQLException {
    throw new SQLFeatureNotSupportedException("Not supported.");
  }

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