Package overit.geocall.sql.code.criterion

Class Clause

java.lang.Object

overit.geocall.sql.code.criterion.Criterion

overit.geocall.sql.code.criterion.Clause

All Implemented Interfaces:

Cloneable

public class Clause
extends Criterion

The class extends Criterion and aims to define a clause expressed by pure sql code.
This class is really usefull when you need to create a Decision with a non-predefined criterion, a customized criterion.
For example a clause could be defined like "NAMEFIELD >= value".

Field Summary

Fields

Modifier and Type	Field	Description
protected final String	_clause

Fields inherited from class overit.geocall.sql.code.criterion.Criterion

ASSIGN_NULL, DIFFERENT, DISCARD, DISCARD_CONTROLS, DISCARD_NULLS, DISCARD_USELESS_COLLECTION, DISCARD_USELESS_LIKE, DISCARD_USELESS_SET, DISCARD_USELESS_STRING, EMPTY_SET, EQUAL, GREATER, GREATEREQUAL, IN, IS, ISNOT, ISNOTNULL, ISNULL, LESS, LESSEQUAL, LIKE, NOT_EQUAL, NOTIN, NULL_SET, REQUIRE_IS_DIFFERENT, REQUIRE_IS_EQUAL_TO, REQUIRE_IS_GREATER_THAN, REQUIRE_IS_GREATER_THAN_OR_EQUAL_TO, REQUIRE_IS_IN, REQUIRE_IS_LESS_THAN, REQUIRE_IS_LESS_THAN_OR_EQUAL_TO, REQUIRE_IS_LIKE, REQUIRE_IS_NOT_IN, REQUIRE_IS_NOT_NULL, REQUIRE_IS_NULL, RESET_EMPTY_SET, TAKE_EMPTY_COLLECTION, TAKE_EMPTY_SET, TAKE_IN, TAKE_IS_NULL, TAKE_LIKE, USELESS_COLLECTION, USELESS_LIKE, USELESS_SET, USELESS_STRING

Constructor Summary

Constructors

Constructor	Description
Clause(String clause)	This methos is the class's constructor and aims to sets the sql code's string.

Method Summary

Modifier and Type	Method	Description
Parts	define(String name, Object value)	defines the Parts of the operation with all the information to become a fragment.
boolean	equals(Object o)
int	hashCode()

Methods inherited from class overit.geocall.sql.code.criterion.Criterion

fieldDepiction

Methods inherited from class java.lang.Object

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

Field Details

_clause

protected final String _clause

Constructor Details

Clause

public Clause(String clause)

This methos is the class's constructor and aims to sets the sql code's string.

Parameters:

clause - The Sql code's String to be set, to create the clause.

Method Details

define

public Parts define(String name,
 Object value)

Description copied from class: Criterion

defines the Parts of the operation with all the information to become a fragment.

Specified by:

define in class Criterion

Parameters:

name - the nome of the context field

value - the current value of the context field

Returns:

return null if the Criterion don't find an information, a Parts otherwise. Then Parts con also contain empty strings if the decision is to discard the name and the value

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object