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## com.bea.p13n.util.jdbc
Class WlsOracleJDriverDatabase

    java.lang.Object
      com.bea.p13n.util.jdbc.GenericDatabase
          com.bea.p13n.util.jdbc.OracleDatabase
              com.bea.p13n.util.jdbc.WlsOracleJDriverDatabase

All Implemented Interfaces:
  Database

public class WlsOracleJDriverDatabase
extends OracleDatabase

Concrete implementation of OracleDatabase that provides support for reading/writing of BLOB/CLOB data. Designed to work with Weblogic JDriver for Oracle JDBC driver.

See Also:
  `OracleDatabase`

Constructor Summary
`WlsOracleJDriverDatabase(Connection connection)`

Method Summary
`boolean` | `commitConnection(Connection connection)`
`byte[]` | `getBlob(ResultSet rs, int index)` Retrieve Blob value and write to an InputStream from a ResultSet.
`OutputStream` | `getBlobLocator(Connection con, String tableName, String blobColumnName, String whereClause)` Gets the BlobLocator object inside an Oracle database column.
`String` | `getClob(ResultSet rs, int index)` Retrieve CLOB value as a String of Unicode characters.
`String` | `getName()` The name of this GenericDatabase instance.
`void` | `insertClob(ClobKey key, String data)` Inserts a CLOB into the database managed tables for CLOB persistence
`String` | `readClob(ClobKey key)` Reads a CLOB into the database managed tables for CLOB persistence
`void` | `removeClob(ClobKey key)` Removes a CLOB from the database managed tables for CLOB persistence
`void` | `updateClob(ClobKey key, String data)` Updates a CLOB in the database managed tables for CLOB persistence
`void` | `writeToClob(Clob clob, String data)` Writes the data from the String into the Clob.

Methods inherited from class com.bea.p13n.util.jdbc.OracleDatabase
`getClobLocator, getEmptyBlobInitializer, getEmptyClobInitializer, setClob, trimClob`

Methods inherited from class com.bea.p13n.util.jdbc.GenericDatabase
`accept, close, close, close, close, close, close, close, close, close, createPreparedStatement, endBlob, endClob, getApplicationName, getClobTableName, getConnection, getProperty, printSqlWarning, readFromClob, readFromClob, setClob, startBlob, startClob, writeToClob`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### WlsOracleJDriverDatabase

    public WlsOracleJDriverDatabase(Connection connection)

Method Detail

### commitConnection

    public boolean commitConnection(Connection connection)
                             throws SQLException

  Specified by:
    `commitConnection` in interface `Database`
  Overrides:
    `commitConnection` in class `GenericDatabase`
  Throws:
    `SQLException`

### getBlob

    public byte[] getBlob(ResultSet rs,
                          int index)
                   throws SQLException

  Retrieve Blob value and write to an InputStream from a ResultSet.

  Specified by:
    `getBlob` in interface `Database`
  Overrides:
    `getBlob` in class `GenericDatabase`
  Parameters:
    `rs` - The ResultSet containing the Blob.
    `index` - The position of the Blob in the ResultSet.
  Returns:
    An InputStream containing the binary value of the Blob.
  Throws:
    `SQLException` - on an error

### getBlobLocator

    public OutputStream getBlobLocator(Connection con,
                                       String tableName,
                                       String blobColumnName,
                                       String whereClause)
                                throws SQLException

  Gets the BlobLocator object inside an Oracle database column.

  Specified by:
    `getBlobLocator` in interface `Database`
  Overrides:
    `getBlobLocator` in class `GenericDatabase`
  Returns:
    OutputStream An OutputStream pointing to the BlobLocator.
  Throws:
    `SQLException` - on an error.

### getClob

    public String getClob(ResultSet rs,
                          int index)
                   throws SQLException

  Retrieve CLOB value as a String of Unicode characters.

  Specified by:
    `getClob` in interface `Database`
  Overrides:
    `getClob` in class `GenericDatabase`
  Parameters:
    `rs` - the resultset containing the clob
    `index` - the position of the clob in the resultset
  Returns:
    the value of the CLOB as a String.
  Throws:
    `SQLException` - on an error
  See Also:
    `getClob(ResultSet rs, int index)`

### getName

    public String getName()

  Description copied from class: `GenericDatabase`
  The name of this GenericDatabase instance.

  Specified by:
    `getName` in interface `Database`
  Overrides:
    `getName` in class `GenericDatabase`
  Returns:
    the name of the database

### insertClob

    public void insertClob(ClobKey key,
                           String data)
                    throws SQLException

  Inserts a CLOB into the database managed tables for CLOB persistence

  Throws:
    `SQLException`

### readClob

    public String readClob(ClobKey key)
                    throws SQLException

  Reads a CLOB into the database managed tables for CLOB persistence

  Throws:
    `SQLException`

### removeClob

    public void removeClob(ClobKey key)
                    throws SQLException

  Removes a CLOB from the database managed tables for CLOB persistence

  Throws:
    `SQLException`

### updateClob

    public void updateClob(ClobKey key,
                           String data)
                    throws SQLException

  Updates a CLOB in the database managed tables for CLOB persistence

  Overrides:
    `updateClob` in class `OracleDatabase`
  Throws:
    `SQLException`

### writeToClob

    public void writeToClob(Clob clob,
                            String data)
                     throws SQLException

  Writes the data from the String into the Clob.

  Specified by:
    `writeToClob` in interface `Database`
  Overrides:
    `writeToClob` in class `GenericDatabase`
  Parameters:
    `clob` - The target Clob object.
    `data` - The data to be converted to a Clob in the form of a String.
  Throws:
    `SQLException` - Thrown because this is an unsupported operation.

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Copyright © 2004 BEA Systems, Inc. All Rights Reserved