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## org.jboss.ejb.plugins.jaws.jdbc
Class JDBCFinderCommand

    java.lang.Object
      |
      +--org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand
            |
            +--org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand
                  |
                  +--org.jboss.ejb.plugins.jaws.jdbc.JDBCFinderCommand

All Implemented Interfaces:
  JPMFindEntitiesCommand

Direct Known Subclasses:
  JDBCDefinedFinderCommand, JDBCFindAllCommand, JDBCFindByCommand

public abstract class JDBCFinderCommand
extends JDBCQueryCommand
implements JPMFindEntitiesCommand

Abstract superclass of finder commands that return collections. Provides the handleResult() implementation that these all need.

Version:
  $Revision: 1.11.2.1 $
Author:
  Rickard Öberg, Marc Fleury, Joe Shevland, Justin Forder
See Also:

Field Summary
`protected FinderMetaData` | `finderMetaData`

Fields inherited from class org.jboss.ejb.plugins.jaws.jdbc.JDBCCommand
`debug, factory, jawsEntity, log, name`

Constructor Summary
`JDBCFinderCommand(JDBCCommandFactory factory, FinderMetaData f)`

Method Summary
`FinderResults` | `execute(java.lang.reflect.Method finderMethod, java.lang.Object[] args, EntityEnterpriseContext ctx)`
`FinderMetaData` | `getFinderMetaData()`
`abstract java.lang.String` | `getFromClause()` This method must be ovverridden to return the full table list for the query, including any join statements.
`abstract java.lang.String` | `getOrderByClause()` This method must be ovverridded to return the full order by clause for the query, including the 'ORDER BY' keyword.
`abstract java.lang.String` | `getWhereClause()` This method must be overridden to return the where clause used in this query.
`protected java.lang.Object` | `handleResult(java.sql.ResultSet rs, java.lang.Object argOrArgs)` Handles the result of successful execution of the query.

Methods inherited from class org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand
`executeStatementAndHandleResult`

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

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

Field Detail

### finderMetaData

    protected FinderMetaData finderMetaData

Constructor Detail

### JDBCFinderCommand

    public JDBCFinderCommand(JDBCCommandFactory factory,
                             FinderMetaData f)

Method Detail

### getFinderMetaData

    public FinderMetaData getFinderMetaData()

### getWhereClause

    public abstract java.lang.String getWhereClause()

  This method must be overridden to return the where clause used in this query. This must start with the keyword 'WHERE' and include all conditions needed to execute the query properly.

### getFromClause

    public abstract java.lang.String getFromClause()

  This method must be ovverridden to return the full table list for the query, including any join statements. This must start with the keyword 'FROM' and include all tables needed to execute the query properly.

### getOrderByClause

    public abstract java.lang.String getOrderByClause()

  This method must be ovverridded to return the full order by clause for the query, including the 'ORDER BY' keyword.

### execute

    public FinderResults execute(java.lang.reflect.Method finderMethod,
                                 java.lang.Object[] args,
                                 EntityEnterpriseContext ctx)
                          throws java.rmi.RemoteException,
                                 javax.ejb.FinderException

  Specified by:
    `execute` in interface `JPMFindEntitiesCommand`

### handleResult

    protected java.lang.Object handleResult(java.sql.ResultSet rs,
                                            java.lang.Object argOrArgs)
                                     throws java.lang.Exception

  Description copied from class: `JDBCQueryCommand`
  Handles the result of successful execution of the query.
  Overrides:
    `handleResult` in class `JDBCQueryCommand`
  Following copied from class: `org.jboss.ejb.plugins.jaws.jdbc.JDBCQueryCommand`
  Parameters:
    `rs` - the result set from the query.
    `argOrArgs` - argument or array of arguments passed in from subclass execute method.
  Returns:
    any result produced by the handling of the result of executing the prepared statement.
  Throws:
    `java.lang.Exception` - if execution or result handling fails.

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