org.apache.cassandra.cql3.restrictions

Interface Restrictions

All Superinterfaces:

Restriction

public interface Restrictions
extends Restriction

Sets of restrictions

Method Summary

Modifier and Type	Method and Description
boolean	hasIN() Checks if any of the underlying restriction is an IN.
boolean	hasOnlyEqualityRestrictions() Checks if all of the underlying restrictions are EQ or IN restrictions.
boolean	isEmpty() Checks if this PrimaryKeyRestrictionSet is empty or not.
int	size() Returns the number of columns that have a restriction.

Methods inherited from interface org.apache.cassandra.cql3.restrictions.Restriction

addFunctionsTo, addRowFilterTo, getColumnDefs, getFirstColumn, getLastColumn, hasSupportingIndex, isOnToken

Method Detail

isEmpty

boolean isEmpty()

Checks if this PrimaryKeyRestrictionSet is empty or not.

Returns:

true if this PrimaryKeyRestrictionSet is empty, false otherwise.

size

int size()

Returns the number of columns that have a restriction.

Returns:

the number of columns that have a restriction.

hasIN

boolean hasIN()

Checks if any of the underlying restriction is an IN.

Returns:

true if any of the underlying restriction is an IN, false otherwise

hasOnlyEqualityRestrictions

boolean hasOnlyEqualityRestrictions()

Checks if all of the underlying restrictions are EQ or IN restrictions.

Returns:

true if all of the underlying restrictions are EQ or IN restrictions, false otherwise