org.jboss.ejb.plugins.jaws.jdbc: abstract public class: JDBCUpdateCommand

org.jboss.ejb.plugins.jaws.jdbc
abstract public class: JDBCUpdateCommand [javadoc | source]

java.lang.Object
   org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand
      org.jboss.ejb.plugins.jaws.jdbc.JDBCUpdateCommand

Direct Known Subclasses:
JDBCCreateEntityCommand, JDBCInitCommand, JDBCStoreEntityCommand, JDBCRemoveEntityCommand, JDBCDestroyCommand

Abstract superclass for all JAWS Commands that issue JDBC updates directly. Provides a Template Method implementation for executeStatementAndHandleResult.

author: < - a href="mailto:justin@j-m-f.demon.co.uk">Justin Forder

version: $ - Revision: 1.8 $

Revisions:

20010812 vincent.harcq@hubmethods.com:

Get Rid of debug flag, use log4j instead

Fields inherited from org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand:
factory, jawsEntity, name

Constructor:
protected JDBCUpdateCommand(JDBCCommandFactory factory, String name) { // Constructors -------------------------------------------------- super(factory, name); } Pass the arguments on to the superclass constructor.

Constructor:

 protected JDBCUpdateCommand(JDBCCommandFactory factory,
    String name) {
  // Constructors --------------------------------------------------
      super(factory, name);
}

Pass the arguments on to the superclass constructor.

Method from org.jboss.ejb.plugins.jaws.jdbc.JDBCUpdateCommand Summary:
executeStatementAndHandleResult, handleResult

Methods from org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand:
executeStatementAndHandleResult, getCMPFieldValue, getConnection, getJDBCType, getJDBCTypeName, getJawsCMPFieldJDBCType, getName, getPkColumnList, getPkColumnWhereList, getPkFieldValue, getResultObject, getResultObject, getSQL, getState, isBinaryType, jdbcExecute, setCMPFieldValue, setParameter, setParameters, setPrimaryKeyParameters, setSQL

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.jboss.ejb.plugins.jaws.jdbc.JDBCUpdateCommand Detail:
protected Object executeStatementAndHandleResult(PreparedStatement stmt, Object argOrArgs) throws Exception { int rowsAffected = stmt.executeUpdate(); if (log.isDebugEnabled()) { log.debug("Rows affected = " + rowsAffected); } return handleResult(rowsAffected, argOrArgs); } Template Method that executes the PreparedStatement and calls `handleResult` on the integer result.
abstract protected Object handleResult(int rowsAffected, Object argOrArgs) throws Exception Handle the result of successful execution of the update.

Method from org.jboss.ejb.plugins.jaws.jdbc.JDBCUpdateCommand Detail:

 protected Object executeStatementAndHandleResult(PreparedStatement stmt,
    Object argOrArgs) throws Exception {
      int rowsAffected = stmt.executeUpdate();
      if (log.isDebugEnabled())
      {
         log.debug("Rows affected = " + rowsAffected);
      }
      return handleResult(rowsAffected, argOrArgs);
}

handleResult

 abstract protected Object handleResult(int rowsAffected,
    Object argOrArgs) throws ExceptionHandle the result of successful execution of the update.