Package org.alfresco.repo.search.impl.querymodel.impl.db.functions

Class DBExists

java.lang.Object

org.alfresco.repo.search.impl.querymodel.impl.BaseFunction

org.alfresco.repo.search.impl.querymodel.impl.functions.Exists

org.alfresco.repo.search.impl.querymodel.impl.db.functions.DBExists

All Implemented Interfaces:

Function, DBQueryBuilderComponent

public class DBExists
extends Exists
implements DBQueryBuilderComponent

Author:

Andy

Field Summary

Fields inherited from class org.alfresco.repo.search.impl.querymodel.impl.functions.Exists

ARG_NOT, ARG_PROPERTY, args, NAME

Constructor Summary

Constructors

Constructor	Description
DBExists()

Method Summary

Modifier and Type	Method	Description
void	buildJoins(Map<QName,DBQueryBuilderJoinCommand> singleJoins, List<DBQueryBuilderJoinCommand> multiJoins)	Build the Set of required joins Assign join aliases and link them up to each component where required
void	buildPredicateCommands(List<DBQueryBuilderPredicatePartCommand> predicatePartCommands)	Add to the list of commands used to build the SQL predicate
boolean	isSupported()	Is this component supported in a DB query?
void	prepare(NamespaceService namespaceService, DictionaryService dictionaryService, QNameDAO qnameDAO, NodeDAO nodeDAO, TenantService tenantService, Set<String> selectors, Map<String,Argument> functionArgs, FunctionEvaluationContext functionContext, boolean supportBooleanFloatAndDouble)	Use the dictionary to expand any terms, deal with multi-valued properties, etc Use the QNameDAO to look up any ids

Methods inherited from class org.alfresco.repo.search.impl.querymodel.impl.functions.Exists

getValue

Methods inherited from class org.alfresco.repo.search.impl.querymodel.impl.BaseFunction

getArgumentDefinition, getArgumentDefinitions, getName, getReturnType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DBExists

public DBExists()

Method Detail

isSupported

public boolean isSupported()

Description copied from interface: DBQueryBuilderComponent

Is this component supported in a DB query?

Specified by:

isSupported in interface DBQueryBuilderComponent

Returns:

boolean

prepare

public void prepare(NamespaceService namespaceService,
                    DictionaryService dictionaryService,
                    QNameDAO qnameDAO,
                    NodeDAO nodeDAO,
                    TenantService tenantService,
                    Set<String> selectors,
                    Map<String,Argument> functionArgs,
                    FunctionEvaluationContext functionContext,
                    boolean supportBooleanFloatAndDouble)

Description copied from interface: DBQueryBuilderComponent

Use the dictionary to expand any terms, deal with multi-valued properties, etc Use the QNameDAO to look up any ids

Specified by:

prepare in interface DBQueryBuilderComponent

Parameters:

namespaceService - NamespaceService

dictionaryService - DictionaryService

qnameDAO - QNameDAO

nodeDAO - NodeDAO

tenantService - TenantService

functionContext - FunctionEvaluationContext

buildJoins

public void buildJoins(Map<QName,DBQueryBuilderJoinCommand> singleJoins,
                       List<DBQueryBuilderJoinCommand> multiJoins)

Description copied from interface: DBQueryBuilderComponent

Build the Set of required joins Assign join aliases and link them up to each component where required

Specified by:

buildJoins in interface DBQueryBuilderComponent

buildPredicateCommands

public void buildPredicateCommands(List<DBQueryBuilderPredicatePartCommand> predicatePartCommands)

Description copied from interface: DBQueryBuilderComponent

Add to the list of commands used to build the SQL predicate

Specified by:

buildPredicateCommands in interface DBQueryBuilderComponent