Package de.espirit.or.query

Class ComposedConstraint

java.lang.Object

de.espirit.or.query.ComposedConstraint

All Implemented Interfaces:

Constraint, Serializable, Cloneable

Direct Known Subclasses:

And, Or

public abstract class ComposedConstraint
extends Object
implements Constraint

The base class of all composed constraints.

Since:

4.0.17

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface de.espirit.or.query.Constraint

Constraint.Type

Constructor Summary

Constructors

Constructor	Description
ComposedConstraint()

Method Summary

Modifier and Type	Method	Description
void	add(@NotNull Constraint constraint)	Add a new sub constraint to this composed constraint.
List<Constraint>	getConstraints()	Return an unmodifiable list of all sub contraints contained in this composed constraint.
boolean	isEmpty()	Check if this is an empty constraint.
int	size()	Returns the number of sub constraints.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.espirit.or.query.Constraint

getType

Constructor Details

ComposedConstraint

public ComposedConstraint()

Method Details

getConstraints

public List<Constraint> getConstraints()

Return an unmodifiable list of all sub contraints contained in this composed constraint.

Since:

4.0.17

add

public void add(@NotNull
 @NotNull Constraint constraint)

Add a new sub constraint to this composed constraint.

Since:

4.0.17

size

public int size()

Returns the number of sub constraints.

Since:

4.0.17

isEmpty

public boolean isEmpty()

Check if this is an empty constraint. Empty constraints could be omitted without changing the query result.

Specified by:

isEmpty in interface Constraint

Returns:

true if the constraint is empty, i.e. removing the constraint would not change the query result.

Since:

5.0.102