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• EmptyResultSet.java

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com.databricks.jdbc.core.EmptyResultSet Maven / Gradle / Ivy

package com.databricks.jdbc.core;

import com.databricks.sdk.service.sql.StatementStatus;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.*;
import java.util.Calendar;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.entity.InputStreamEntity;

/** Empty implementation of ResultSet */
class EmptyResultSet implements ResultSet, IDatabricksResultSet {
  private boolean isClosed;
  private HttpEntity httpEntity = null;

  EmptyResultSet() {
    isClosed = false;
  }

  private void checkIfClosed() throws SQLException {
    if (isClosed()) {
      throw new DatabricksSQLException("Empty result set is closed");
    }
  }

  @Override
  public boolean wasNull() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean next() throws SQLException {
    return false; // empty
  }

  @Override
  public void close() throws SQLException {
    isClosed = true;
  }

  @Override
  public boolean getBoolean(int columnIndex) throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public int getInt(int columnIndex) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public long getLong(int columnIndex) throws SQLException {
    checkIfClosed();
    return 0L;
  }

  @Override
  public float getFloat(int columnIndex) throws SQLException {
    checkIfClosed();
    return (float) 0;
  }

  @Override
  public double getDouble(int columnIndex) throws SQLException {
    checkIfClosed();
    return (double) 0;
  }

  @Override
  public short getShort(int columnIndex) throws SQLException {
    checkIfClosed();
    return (short) 0;
  }

  @Override
  public byte getByte(int columnIndex) throws SQLException {
    checkIfClosed();
    return (byte) 0;
  }

  @Override
  public String getString(int columnIndex) throws SQLException {
    checkIfClosed();
    return "";
  }

  @Override
  public byte[] getBytes(int columnIndex) throws SQLException {
    checkIfClosed();
    return new byte[0];
  }

  @Override
  public Date getDate(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Time getTime(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Timestamp getTimestamp(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public InputStream getAsciiStream(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Deprecated
  @Override
  public InputStream getUnicodeStream(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public InputStream getBinaryStream(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public String getString(String columnLabel) throws SQLException {
    checkIfClosed();
    return "";
  }

  @Override
  public boolean getBoolean(String columnLabel) throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public byte getByte(String columnLabel) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public short getShort(String columnLabel) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public int getInt(String columnLabel) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public long getLong(String columnLabel) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public float getFloat(String columnLabel) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public double getDouble(String columnLabel) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Deprecated
  @Override
  public BigDecimal getBigDecimal(String columnLabel, int scale) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public byte[] getBytes(String columnLabel) throws SQLException {
    checkIfClosed();
    return new byte[0];
  }

  @Override
  public Date getDate(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Time getTime(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Timestamp getTimestamp(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public BigDecimal getBigDecimal(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public boolean isBeforeFirst() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean isAfterLast() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean isFirst() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean isLast() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public void beforeFirst() throws SQLException {
    checkIfClosed();
  }

  @Override
  public void afterLast() throws SQLException {
    checkIfClosed();
  }

  @Override
  public boolean first() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean last() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public int getRow() throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public boolean absolute(int row) throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean relative(int rows) throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean previous() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public void setFetchDirection(int direction) throws SQLException {
    checkIfClosed();
  }

  @Override
  public int getFetchDirection() throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public void setFetchSize(int rows) throws SQLException {
    checkIfClosed();
  }

  @Override
  public int getFetchSize() throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public int getType() throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public int getConcurrency() throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public boolean rowUpdated() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean rowInserted() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public boolean rowDeleted() throws SQLException {
    checkIfClosed();
    return false;
  }

  @Override
  public void updateNull(int columnIndex) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBoolean(int columnIndex, boolean x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateByte(int columnIndex, byte x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateShort(int columnIndex, short x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateInt(int columnIndex, int x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateLong(int columnIndex, long x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateFloat(int columnIndex, float x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateDouble(int columnIndex, double x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateString(int columnIndex, String x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBytes(int columnIndex, byte[] x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateDate(int columnIndex, Date x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateTime(int columnIndex, Time x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateObject(int columnIndex, Object x, int scaleOrLength) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateObject(int columnIndex, Object x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNull(String columnLabel) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBoolean(String columnLabel, boolean x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateByte(String columnLabel, byte x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateShort(String columnLabel, short x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateInt(String columnLabel, int x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateLong(String columnLabel, long x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateFloat(String columnLabel, float x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateDouble(String columnLabel, double x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBigDecimal(String columnLabel, BigDecimal x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateString(String columnLabel, String x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBytes(String columnLabel, byte[] x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateDate(String columnLabel, Date x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateTime(String columnLabel, Time x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateTimestamp(String columnLabel, Timestamp x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateAsciiStream(String columnLabel, InputStream x, int length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBinaryStream(String columnLabel, InputStream x, int length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateCharacterStream(String columnLabel, Reader reader, int length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateObject(String columnLabel, Object x, int scaleOrLength) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateObject(String columnLabel, Object x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void insertRow() throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateRow() throws SQLException {
    checkIfClosed();
  }

  @Override
  public void deleteRow() throws SQLException {
    checkIfClosed();
  }

  @Override
  public void refreshRow() throws SQLException {
    checkIfClosed();
  }

  @Override
  public void cancelRowUpdates() throws SQLException {
    checkIfClosed();
  }

  @Override
  public void moveToInsertRow() throws SQLException {
    checkIfClosed();
  }

  @Override
  public void moveToCurrentRow() throws SQLException {
    checkIfClosed();
  }

  @Override
  public Statement getStatement() throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Object getObject(int columnIndex, Map> map) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Ref getRef(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Blob getBlob(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Clob getClob(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Array getArray(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Object getObject(String columnLabel, Map> map) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Ref getRef(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Blob getBlob(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Clob getClob(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Array getArray(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Date getDate(int columnIndex, Calendar cal) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Date getDate(String columnLabel, Calendar cal) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Time getTime(int columnIndex, Calendar cal) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Time getTime(String columnLabel, Calendar cal) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Timestamp getTimestamp(String columnLabel, Calendar cal) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public URL getURL(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public URL getURL(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public void updateRef(int columnIndex, Ref x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateRef(String columnLabel, Ref x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBlob(int columnIndex, Blob x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBlob(String columnLabel, Blob x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateClob(int columnIndex, Clob x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateClob(String columnLabel, Clob x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateArray(int columnIndex, Array x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateArray(String columnLabel, Array x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public RowId getRowId(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public RowId getRowId(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public void updateRowId(int columnIndex, RowId x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateRowId(String columnLabel, RowId x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public int getHoldability() throws SQLException {
    checkIfClosed();
    return 0;
  }

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

  @Override
  public void updateNString(int columnIndex, String nString) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNString(String columnLabel, String nString) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNClob(int columnIndex, NClob nClob) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNClob(String columnLabel, NClob nClob) throws SQLException {
    checkIfClosed();
  }

  @Override
  public NClob getNClob(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public NClob getNClob(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public SQLXML getSQLXML(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public SQLXML getSQLXML(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateSQLXML(String columnLabel, SQLXML xmlObject) throws SQLException {
    checkIfClosed();
  }

  @Override
  public String getNString(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public String getNString(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Reader getNCharacterStream(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Reader getNCharacterStream(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNCharacterStream(String columnLabel, Reader reader, long length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateAsciiStream(String columnLabel, InputStream x, long length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBinaryStream(String columnLabel, InputStream x, long length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateCharacterStream(String columnLabel, Reader reader, long length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBlob(int columnIndex, InputStream inputStream, long length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBlob(String columnLabel, InputStream inputStream, long length)
      throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateClob(int columnIndex, Reader reader) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateClob(String columnLabel, Reader reader) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNClob(int columnIndex, Reader reader) throws SQLException {
    checkIfClosed();
  }

  @Override
  public void updateNClob(String columnLabel, Reader reader) throws SQLException {
    checkIfClosed();
  }

  @Override
  public  T getObject(int columnIndex, Class type) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public  T getObject(String columnLabel, Class type) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Deprecated
  @Override
  public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public InputStream getAsciiStream(String columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Deprecated
  @Override
  public InputStream getUnicodeStream(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public InputStream getBinaryStream(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public SQLWarning getWarnings() throws SQLException {
    checkIfClosed();
    return null;
  }

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

  @Override
  public String getCursorName() throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public ResultSetMetaData getMetaData() throws SQLException {
    checkIfClosed();
    return new EmptyResultSetMetaData();
  }

  @Override
  public Object getObject(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Object getObject(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public int findColumn(String columnLabel) throws SQLException {
    checkIfClosed();
    return 0;
  }

  @Override
  public Reader getCharacterStream(int columnIndex) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public Reader getCharacterStream(String columnLabel) throws SQLException {
    checkIfClosed();
    return null;
  }

  @Override
  public  T unwrap(Class iface) throws SQLException {
    checkIfClosed();
    return null;
  }

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

  @Override
  public String statementId() {
    return null;
  }

  @Override
  public StatementStatus getStatementStatus() {
    return null;
  }

  @Override
  public long getUpdateCount() throws SQLException {
    return 0;
  }

  @Override
  public boolean hasUpdateCount() throws SQLException {
    return false;
  }

  @Override
  public void setVolumeOperationEntityStream(HttpEntity httpEntity)
      throws SQLException, IOException {
    this.httpEntity = httpEntity;
  }

  @Override
  public InputStreamEntity getVolumeOperationInputStream() throws SQLException {
    try {
      return new InputStreamEntity(httpEntity.getContent(), httpEntity.getContentLength());
    } catch (IOException e) {
      return null;
    }
  }
}