org.apache.cassandra.cql3

Class ColumnConditions

java.lang.Object

org.apache.cassandra.cql3.ColumnConditions

All Implemented Interfaces:

Conditions

public final class ColumnConditions
extends java.lang.Object

A set of ColumnConditions.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ColumnConditions.Builder A Builder for ColumnConditions.

Field Summary

Fields inherited from interface org.apache.cassandra.cql3.Conditions

EMPTY_CONDITION, IF_EXISTS_CONDITION, IF_NOT_EXISTS_CONDITION

Method Summary

Modifier and Type	Method and Description
void	addConditionsTo(CQL3CasRequest request, Clustering clustering, QueryOptions options) Adds the conditions to the specified CAS request.
boolean	appliesToRegularColumns() Checks if some of the conditions apply to regular columns.
boolean	appliesToStaticColumns() Checks if some of the conditions apply to static columns.
java.util.Collection<ColumnDefinition>	getColumns() Returns the column definitions to which apply the conditions.
java.lang.Iterable<Function>	getFunctions() Returns the functions used by the conditions.
boolean	isEmpty() Checks if this Conditions is empty.
boolean	isIfExists() Checks if this is a IF EXIST condition.
boolean	isIfNotExists() Checks if this is a IF NOT EXIST condition.
static ColumnConditions.Builder	newBuilder() Creates a new Builder for ColumnConditions.

Methods inherited from class java.lang.Object

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

Method Detail

appliesToStaticColumns

public boolean appliesToStaticColumns()

Description copied from interface: Conditions

Checks if some of the conditions apply to static columns.

Specified by:

appliesToStaticColumns in interface Conditions

Returns:

true if some of the conditions apply to static columns, false otherwise.

appliesToRegularColumns

public boolean appliesToRegularColumns()

Description copied from interface: Conditions

Checks if some of the conditions apply to regular columns.

Specified by:

appliesToRegularColumns in interface Conditions

Returns:

true if some of the conditions apply to regular columns, false otherwise.

getColumns

public java.util.Collection<ColumnDefinition> getColumns()

Description copied from interface: Conditions

Returns the column definitions to which apply the conditions.

Specified by:

getColumns in interface Conditions

Returns:

the column definitions to which apply the conditions.

isEmpty

public boolean isEmpty()

Description copied from interface: Conditions

Checks if this Conditions is empty.

Specified by:

isEmpty in interface Conditions

Returns:

true if this Conditions is empty, false otherwise.

addConditionsTo

public void addConditionsTo(CQL3CasRequest request,
                            Clustering clustering,
                            QueryOptions options)

Adds the conditions to the specified CAS request.

Parameters:

request - the request

clustering - the clustering prefix

options - the query options

getFunctions

public java.lang.Iterable<Function> getFunctions()

Description copied from interface: Conditions

Returns the functions used by the conditions.

Specified by:

getFunctions in interface Conditions

Returns:

the functions used by the conditions

newBuilder

public static ColumnConditions.Builder newBuilder()

Creates a new Builder for ColumnConditions.

Returns:

a new Builder for ColumnConditions

isIfExists

public boolean isIfExists()

Description copied from interface: Conditions

Checks if this is a IF EXIST condition.

Specified by:

isIfExists in interface Conditions

Returns:

true if this is a IF EXIST condition, false otherwise.

isIfNotExists

public boolean isIfNotExists()

Description copied from interface: Conditions

Checks if this is a IF NOT EXIST condition.

Specified by:

isIfNotExists in interface Conditions

Returns:

true if this is a IF NOT EXIST condition, false otherwise.