org.enableit.db
Class DBUpdate

java.lang.Object
  |
  +--org.enableit.db.DBStatement
        |
        +--org.enableit.db.DBUpdate

public class DBUpdate

extends DBStatement

Encapsulate the information required to perform a database update, (includes deletes and data definition statements).

The 'base' SQL is considered that part before any 'WHERE' clause.

Author:

Tim Stephenson

Field Summary

static java.lang.String	ABOUT CVS info ABOUT this class and its current version
protected java.util.List	joins

Fields inherited from class org.enableit.db.DBStatement

cols, SPACE, vals

Constructor Summary

DBUpdate()
Default Constructor

DBUpdate(java.lang.String baseSql)
Construct instance and set the base SQL statement.

Method Summary

void	addJoin(org.enableit.db.beans.ForeignKey fk)
void	addUpdate(org.enableit.db.beans.Column col, java.lang.Object val)
java.lang.String	getBaseSql() This method appends SQL to represent any update clauses added with addUpdate to the original base SQL passed to the constructor.
java.util.List	getUpdParams()

Methods inherited from class org.enableit.db.DBStatement

addFilter, appendWhereClause, getFilterIterator, getParam, getParameters, getSql, getWhereClause, setBaseSql, setDateFormat, setDateTimeFormat, setTimeFormat, setWhereClause

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ABOUT

public static final java.lang.String ABOUT

CVS info ABOUT this class and its current version

See Also:

Constant Field Values

joins

protected java.util.List joins

Constructor Detail

DBUpdate

public DBUpdate()

Default Constructor

DBUpdate

public DBUpdate(java.lang.String baseSql)

Construct instance and set the base SQL statement.

Method Detail

getBaseSql

public java.lang.String getBaseSql()

This method appends SQL to represent any update clauses added with addUpdate to the original base SQL passed to the constructor.

Overrides:

getBaseSql in class DBStatement

Returns:

baseSql The base SQL (up to the start of the WHERE clause).

addUpdate

public void addUpdate(org.enableit.db.beans.Column col,
                      java.lang.Object val)

getUpdParams

public java.util.List getUpdParams()

Returns:

List of update clause parameters.

addJoin

public void addJoin(org.enableit.db.beans.ForeignKey fk)

Parameters:

fk - Encapsulates information on what to join to.