Package overit.geocall.sql.code.criterion

Class Operation

java.lang.Object

overit.geocall.sql.code.criterion.Criterion

overit.geocall.sql.code.criterion.Operation

All Implemented Interfaces:

Cloneable

public class Operation
extends Criterion

The class extends Criterion and aims to represent the operator used in the clauses definition.
For example in the clause "NAMEFIELD = ?VALUE" it's used the equal operation, in the clause "NAMEFIELD <= ?VALUE" it's used the less equal operation, and so on.

Field Summary

Fields

Modifier and Type	Field	Description
protected final String	_operation

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
Operation(String operation)	Creates a new Operation

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

_operation

protected final String _operation

Constructor Details

Operation

public Operation(String operation)

Creates a new Operation

Parameters:

operation - The operation

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