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SQLOutput


java.sql

Interface SQLOutput



  • public interface SQLOutput
    The interface for an output stream used to write attributes of an SQL User Defined Type (UDT) to the database. This interface is used for custom mapping of types and is called by the JDBC driver. It is not intended to be used by applications.

    When an object which implements the SQLData interface is used as an argument to an SQL statement, the JDBC driver calls the method SQLData.getSQLType to establish the type of the SQL UDT that is being passed. The driver then creates an SQLOutput stream and passes it to the SQLData.writeSQL method, which in turn uses the appropriate SQLOutput writer methods to write the data from the SQLData object into the stream according to the defined mapping.

    See Also:
    SQLData
    • Method Summary

      Methods
      Modifier and Type Method and Description
      void writeArray(Array theArray)
      Write an SQL Array value into the output stream.
      void writeAsciiStream(InputStream theStream)
      Write a stream of ASCII characters into the output stream.
      void writeBigDecimal(BigDecimal theBigDecimal)
      Write a java.math.BigDecimal value into the output stream.
      void writeBinaryStream(InputStream theStream)
      Write a stream of uninterpreted bytes into the output stream.
      void writeBlob(Blob theBlob)
      Write an SQL Blob value into the output stream.
      void writeBoolean(boolean theFlag)
      Write a boolean value into the output stream.
      void writeByte(byte theByte)
      Write a byte value into the output stream.
      void writeBytes(byte[] theBytes)
      Write an array of bytes into the output stream.
      void writeCharacterStream(Reader theStream)
      Write a stream of unicode characters into the output stream.
      void writeClob(Clob theClob)
      Write an SQL Clob value into the output stream.
      void writeDate(Date theDate)
      Write a java.sql.Date value into the output stream.
      void writeDouble(double theDouble)
      Write a double value into the output stream.
      void writeFloat(float theFloat)
      Write a float value into the output stream.
      void writeInt(int theInt)
      Write an int value into the output stream.
      void writeLong(long theLong)
      Write a long value into the output stream.
      void writeNClob(NClob theNClob)
      Write a Clob into the output stream as an SQL NCLOB.
      void writeNString(String theString)
      Write a String into the output stream as an SQL NCHAR, NVARCHAR, or LONGNVARCHAR.
      void writeObject(SQLData theObject)
      Write an SQLData object into the output stream.
      void writeRef(Ref theRef)
      Write an SQL Ref value into the output stream.
      void writeRowId(RowId theRowId)
      Write a RowId into the output stream as an SQL ROWID.
      void writeShort(short theShort)
      Write a short value into the output stream.
      void writeSQLXML(SQLXML theXml)
      Write a SQLXML into the output stream as an SQL XML.
      void writeString(String theString)
      Write a String value into the output stream.
      void writeStruct(Struct theStruct)
      Write an SQL Struct value into the output stream.
      void writeTime(Time theTime)
      Write a java.sql.Time value into the output stream.
      void writeTimestamp(Timestamp theTimestamp)
      Write a java.sql.Timestamp value into the output stream.
      void writeURL(URL theURL)
      Write a URL into the output stream as an SQL DATALINK.
    • Method Detail

      • writeString

        void writeString(String theString)
                         throws SQLException
        Write a String value into the output stream.
        Parameters:
        theString - the String to write.
        Throws:
        SQLException - if a database error occurs.
      • writeBoolean

        void writeBoolean(boolean theFlag)
                          throws SQLException
        Write a boolean value into the output stream.
        Parameters:
        theFlag - the boolean value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeByte

        void writeByte(byte theByte)
                       throws SQLException
        Write a byte value into the output stream.
        Parameters:
        theByte - the byte value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeShort

        void writeShort(short theShort)
                        throws SQLException
        Write a short value into the output stream.
        Parameters:
        theShort - the short value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeInt

        void writeInt(int theInt)
                      throws SQLException
        Write an int value into the output stream.
        Parameters:
        theInt - the int value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeLong

        void writeLong(long theLong)
                       throws SQLException
        Write a long value into the output stream.
        Parameters:
        theLong - the long value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeFloat

        void writeFloat(float theFloat)
                        throws SQLException
        Write a float value into the output stream.
        Parameters:
        theFloat - the float value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeDouble

        void writeDouble(double theDouble)
                         throws SQLException
        Write a double value into the output stream.
        Parameters:
        theDouble - the double value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeBigDecimal

        void writeBigDecimal(BigDecimal theBigDecimal)
                             throws SQLException
        Write a java.math.BigDecimal value into the output stream.
        Parameters:
        theBigDecimal - the BigDecimal value to write.
        Throws:
        SQLException - if a database error occurs.
      • writeBytes

        void writeBytes(byte[] theBytes)
                        throws SQLException
        Write an array of bytes into the output stream.
        Parameters:
        theBytes - the array of bytes to write.
        Throws:
        SQLException - if a database error occurs.
      • writeDate

        void writeDate(Date theDate)
                       throws SQLException
        Write a java.sql.Date value into the output stream.
        Parameters:
        theDate - the Date value to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Date
      • writeTime

        void writeTime(Time theTime)
                       throws SQLException
        Write a java.sql.Time value into the output stream.
        Parameters:
        theTime - the Time value to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Time
      • writeTimestamp

        void writeTimestamp(Timestamp theTimestamp)
                            throws SQLException
        Write a java.sql.Timestamp value into the output stream.
        Parameters:
        theTimestamp - the Timestamp value to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Timestamp
      • writeCharacterStream

        void writeCharacterStream(Reader theStream)
                                  throws SQLException
        Write a stream of unicode characters into the output stream.
        Parameters:
        theStream - the stream of unicode characters to write, as a java.io.Reader object.
        Throws:
        SQLException - if a database error occurs.
      • writeAsciiStream

        void writeAsciiStream(InputStream theStream)
                              throws SQLException
        Write a stream of ASCII characters into the output stream.
        Parameters:
        theStream - the stream of ASCII characters to write, as a java.io.InputStream object
        Throws:
        SQLException - if a database error occurs.
      • writeBinaryStream

        void writeBinaryStream(InputStream theStream)
                               throws SQLException
        Write a stream of uninterpreted bytes into the output stream.
        Parameters:
        theStream - the stream of bytes to write, as a java.io.InputStream object
        Throws:
        SQLException - if a database error occurs.
      • writeObject

        void writeObject(SQLData theObject)
                         throws SQLException
        Write an SQLData object into the output stream.

        If the SQLData object is null, writes NULL to the stream.

        Otherwise, calls the SQLData.writeSQL method of the object, which writes the object's attributes to the stream by calling the appropriate SQLOutput writer methods for each attribute, in order. The order of the attributes is the order they are listed in the SQL definition of the User Defined Type.

        Parameters:
        theObject - the SQLData object to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        SQLData
      • writeRef

        void writeRef(Ref theRef)
                      throws SQLException
        Write an SQL Ref value into the output stream.
        Parameters:
        theRef - the java.sql.Ref object to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Ref
      • writeBlob

        void writeBlob(Blob theBlob)
                       throws SQLException
        Write an SQL Blob value into the output stream.
        Parameters:
        theBlob - the java.sql.Blob object to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Blob
      • writeClob

        void writeClob(Clob theClob)
                       throws SQLException
        Write an SQL Clob value into the output stream.
        Parameters:
        theClob - the java.sql.Clob object to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Clob
      • writeStruct

        void writeStruct(Struct theStruct)
                         throws SQLException
        Write an SQL Struct value into the output stream.
        Parameters:
        theStruct - the java.sql.Struct object to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Struct
      • writeArray

        void writeArray(Array theArray)
                        throws SQLException
        Write an SQL Array value into the output stream.
        Parameters:
        theArray - the java.sql.Array object to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        Array
      • writeURL

        void writeURL(URL theURL)
                      throws SQLException
        Write a URL into the output stream as an SQL DATALINK.
        Parameters:
        theURL - the datalink value as a java.net.URL to write.
        Throws:
        SQLException - if a database error occurs.
        See Also:
        URL
      • writeNString

        void writeNString(String theString)
                          throws SQLException
        Write a String into the output stream as an SQL NCHAR, NVARCHAR, or LONGNVARCHAR.
        Parameters:
        theString - the String to write.
        Throws:
        SQLException - if a database error occurs.
      • writeNClob

        void writeNClob(NClob theNClob)
                        throws SQLException
        Write a Clob into the output stream as an SQL NCLOB.
        Parameters:
        theNClob - the java.sql.Clob object to write.
        Throws:
        SQLException - if a database error occurs.
      • writeRowId

        void writeRowId(RowId theRowId)
                        throws SQLException
        Write a RowId into the output stream as an SQL ROWID.
        Parameters:
        theRowId - the java.sql.RowId object to write.
        Throws:
        SQLException - if a database error occurs.
      • writeSQLXML

        void writeSQLXML(SQLXML theXml)
                         throws SQLException
        Write a SQLXML into the output stream as an SQL XML.
        Parameters:
        theXml - the java.sql.SQLXML object to write.
        Throws:
        SQLException - if a database error occurs.


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