Class MariaDbClob

java.lang.Object
org.mariadb.jdbc.MariaDbBlob
org.mariadb.jdbc.MariaDbClob
All Implemented Interfaces:
Serializable, Blob, Clob, NClob

public class MariaDbClob extends MariaDbBlob implements Clob, NClob, Serializable
MariaDB Clob implementation
See Also:
  • Field Details

  • Constructor Details

    • MariaDbClob

      public MariaDbClob(byte[] bytes)
      Creates a Clob with content.
      Parameters:
      bytes - the content for the Clob.
    • MariaDbClob

      public MariaDbClob(byte[] bytes, int offset, int length)
      Creates a Clob with content.
      Parameters:
      bytes - the content for the Clob.
      offset - offset
      length - length
    • MariaDbClob

      public MariaDbClob()
      Creates an empty Clob.
  • Method Details

    • toString

      public String toString()
      ToString implementation.
      Overrides:
      toString in class Object
      Returns:
      string value of blob content.
    • getSubString

      public String getSubString(long pos, int length) throws SQLException
      Get sub string.
      Specified by:
      getSubString in interface Clob
      Parameters:
      pos - position
      length - length of sub string
      Returns:
      substring
      Throws:
      SQLException - if pos is less than 1 or length is less than 0
    • getCharacterStream

      public Reader getCharacterStream()
      Specified by:
      getCharacterStream in interface Clob
    • getCharacterStream

      public Reader getCharacterStream(long pos, long length) throws SQLException
      Returns a Reader object that contains a partial Clob value, starting with the character specified by pos, which is length characters in length.
      Specified by:
      getCharacterStream in interface Clob
      Parameters:
      pos - the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1.
      length - the length in characters of the partial value to be retrieved.
      Returns:
      Reader through which the partial Clob value can be read.
      Throws:
      SQLException - if pos is less than 1 or if pos is greater than the number of characters in the Clob or if pos + length is greater than the number of characters in the Clob
    • setCharacterStream

      public Writer setCharacterStream(long pos) throws SQLException
      Set character stream.
      Specified by:
      setCharacterStream in interface Clob
      Parameters:
      pos - position
      Returns:
      writer
      Throws:
      SQLException - if position is invalid
    • getAsciiStream

      public InputStream getAsciiStream() throws SQLException
      Specified by:
      getAsciiStream in interface Clob
      Throws:
      SQLException
    • position

      public long position(String searchStr, long start)
      Specified by:
      position in interface Clob
    • position

      public long position(Clob searchStr, long start)
      Specified by:
      position in interface Clob
    • utf8Position

      private int utf8Position(int charPosition)
      Convert character position into byte position in UTF8 byte array.
      Parameters:
      charPosition - charPosition
      Returns:
      byte position
    • setString

      public int setString(long pos, String str) throws SQLException
      Set String.
      Specified by:
      setString in interface Clob
      Parameters:
      pos - position
      str - string
      Returns:
      string length
      Throws:
      SQLException - if UTF-8 conversion failed
    • setString

      public int setString(long pos, String str, int offset, int len) throws SQLException
      Specified by:
      setString in interface Clob
      Throws:
      SQLException
    • setAsciiStream

      public OutputStream setAsciiStream(long pos) throws SQLException
      Specified by:
      setAsciiStream in interface Clob
      Throws:
      SQLException
    • length

      public long length()
      Return character length of the Clob. Assume UTF8 encoding.
      Specified by:
      length in interface Blob
      Specified by:
      length in interface Clob
      Overrides:
      length in class MariaDbBlob
      Returns:
      length of the BLOB in bytes
    • truncate

      public void truncate(long truncateLen)
      Description copied from class: MariaDbBlob
      Truncates the BLOB value that this Blob object represents to be len bytes in length.
      Specified by:
      truncate in interface Blob
      Specified by:
      truncate in interface Clob
      Overrides:
      truncate in class MariaDbBlob
      Parameters:
      truncateLen - the length, in bytes, to which the BLOB value that this Blob object represents should be truncated
    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class MariaDbBlob