Package com.e1c.langtool.history.db.query

Class Criteria

java.lang.Object

com.e1c.langtool.history.db.query.Criteria

All Implemented Interfaces:

ICriteria, IExpression

public final class Criteria
extends Object
implements ICriteria

Immutable and thread-safe implementation of ICriteria.

Nested Class Summary

Nested classes/interfaces inherited from interface com.e1c.langtool.history.db.query.ICriteria

ICriteria.CompareOp, ICriteria.Field

Method Summary

Modifier and Type	Method	Description
void	accept(IExpressionVisitor visitor)	Accepts the given expression visitor.
static Criteria	createForContextField(Context context)
static Criteria	createForStringField(ICriteria.Field field, ICriteria.CompareOp op, String value)
boolean	equals(Object obj)
ICriteria.Field	getField()	Returns the field of translation storage of which value comparing with this criteria value.
ICriteria.CompareOp	getOperator()
Object	getValue()	Returns the value to compare with the field.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

createForStringField

public static Criteria createForStringField(ICriteria.Field field,
 ICriteria.CompareOp op,
 String value)

createForContextField

public static Criteria createForContextField(Context context)

accept

public void accept(IExpressionVisitor visitor)

Description copied from interface: IExpression

Accepts the given expression visitor.

The visitor's visit method is called with this expression.

Specified by:

accept in interface IExpression

Parameters:

visitor - the visitor

getField

public ICriteria.Field getField()

Description copied from interface: ICriteria

Returns the field of translation storage of which value comparing with this criteria value.

Specified by:

getField in interface ICriteria

Returns:

the storage field. Can't be null.

getValue

public Object getValue()

Description copied from interface: ICriteria

Returns the value to compare with the field.

Specified by:

getValue in interface ICriteria

Returns:

the value to compare. Can't be null.

getOperator

public ICriteria.CompareOp getOperator()

Specified by:

getOperator in interface ICriteria

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object