org.syrup.sql
Class QueryOperation

java.lang.Object
  org.syrup.sql.QueryOperation

public class QueryOperation

extends java.lang.Object

Temporary data structure to aid the construction of qualified SQL queries.

Author:

Robbert van Dalen

Field Summary

java.lang.String	sqlAtt The SQL attribute.
java.lang.String	sqlOp The SQL qualifier.
java.lang.String	templAtt The Template attribute.
java.lang.Integer	templOp The Template qualifier.
java.lang.Object	value The qualifier value.

Constructor Summary

QueryOperation(Template t, java.lang.String sAtt, java.lang.String tAtt)
Constructor for the QueryOperation object

Method Summary

protected java.lang.String	boolean_op(int i) Returns the SQL (boolean)qualifier based on the Template qualifier
protected java.lang.String	number_op(int i) Returns the SQL (number)qualifier based on the Template qualifier
protected java.lang.String	queryOp(java.lang.Integer i, java.lang.Object o) Returns the mapped SQL qualifier based on the Template qualifier and the qualifier value.
protected java.lang.String	string_op(int i) Returns the SQL (string)qualifier based on the Template qualifier

Methods inherited from class java.lang.Object

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

Field Detail

value

public final java.lang.Object value

The qualifier value.

sqlOp

public final java.lang.String sqlOp

The SQL qualifier.

sqlAtt

public final java.lang.String sqlAtt

The SQL attribute.

templAtt

public final java.lang.String templAtt

The Template attribute.

templOp

public final java.lang.Integer templOp

The Template qualifier.

Constructor Detail

QueryOperation

public QueryOperation(Template t,
                      java.lang.String sAtt,
                      java.lang.String tAtt)
               throws java.lang.Exception

Constructor for the QueryOperation object

Parameters:

t - The Template specifying all the qualifiers.

sAtt - The SQL attribute (i.e. parent_key).

tAtt - The Template attribute (i.e. parentKey).

Method Detail

queryOp

protected java.lang.String queryOp(java.lang.Integer i,
                                   java.lang.Object o)
                            throws java.lang.Exception

Returns the mapped SQL qualifier based on the Template qualifier and the qualifier value.

Parameters:

i - The Template qualifier.

o - The qualifier value.

Returns:

The mapped SQL qualifier.

Throws:

java.lang.Exception

number_op

protected java.lang.String number_op(int i)
                              throws java.lang.Exception

Returns the SQL (number)qualifier based on the Template qualifier

Parameters:

i - The Template qualifier.

Returns:

The SQL (number)qualifier based on the Template qualifier

Throws:

java.lang.Exception

string_op

protected java.lang.String string_op(int i)
                              throws java.lang.Exception

Returns the SQL (string)qualifier based on the Template qualifier

Parameters:

i - The Template qualifier.

Returns:

The SQL (string)qualifier based on the Template qualifier

Throws:

java.lang.Exception

boolean_op

protected java.lang.String boolean_op(int i)
                               throws java.lang.Exception

Returns the SQL (boolean)qualifier based on the Template qualifier

Parameters:

i - The Template qualifier.

Returns:

The SQL (boolean)qualifier based on the Template qualifier

Throws:

java.lang.Exception