Package org.eclipse.emf.cdo.server.ocl

Class OCLQueryHandler

  • All Implemented Interfaces:
    IQueryHandler
    public class OCLQueryHandler
extends java.lang.Object
implements IQueryHandler
    A query handler that evaluates OCL query expressions.
    Author:
    Eike Stepper

    • Constructor Summary

      Constructors 
      Constructor Description
      OCLQueryHandler()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      protected void addEnvironmentVariable​(org.eclipse.ocl.Environment<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> environment, org.eclipse.ocl.expressions.Variable<org.eclipse.emf.ecore.EClassifier,​?> variable)  
      protected boolean addResult​(java.lang.Object result, IQueryContext context, CDOView view)  
      protected CDOExtentMap createExtentMap​(CDOView view, CDOChangeSetData changeSetData, IQueryContext context)  
      protected org.eclipse.ocl.expressions.OCLExpression<org.eclipse.emf.ecore.EClassifier> createInitExpression​(org.eclipse.ocl.types.OCLStandardLibrary<org.eclipse.emf.ecore.EClassifier> stdLib, CDOPackageRegistry packageRegistry, java.lang.Object value)  
      protected org.eclipse.ocl.OCL<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> createOCL​(CDOView view, CDOExtentMap extentMap)  
      protected org.eclipse.ocl.Query<org.eclipse.emf.ecore.EClassifier,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> createQuery​(CDOView view, CDOQueryInfo info, OCLQueryHandler.ContextParameter contextParameter, org.eclipse.ocl.OCL<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> ocl)  
      protected boolean createsLazyExtents()  
      protected java.lang.Object evaluate​(org.eclipse.ocl.Query<org.eclipse.emf.ecore.EClassifier,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> query, org.eclipse.emf.ecore.EObject object)  
      void executeQuery​(CDOQueryInfo info, IQueryContext context)
      Executes the query represented by the specified query info by passing the query results to the query execution engine represented by the specified execution context.
      protected org.eclipse.emf.ecore.EClassifier getArbitraryContextClassifier​(CDOPackageRegistry packageRegistry)
      Deprecated.
      As of 4.2 no longer supported.
      protected OCLQueryHandler.ContextParameter getContextParameter​(CDOQueryInfo info, CDOView view)  
      protected org.eclipse.emf.ecore.EClass getImplicitRootClass()  
      protected CDORevision getRevision​(org.eclipse.emf.ecore.EObject object, CDOView view)  
      protected void initEnvironment​(org.eclipse.ocl.Environment<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> environment, CDOPackageRegistry packageRegistry, java.util.Map<java.lang.String,​java.lang.Object> parameters)  
      protected boolean isOCLQueryParameter​(java.lang.String name)  
      static void prepareContainer​(org.eclipse.net4j.util.container.IManagedContainer container)  
      protected boolean readParameter​(java.util.Map<java.lang.String,​?> queryParameters, java.lang.String name, boolean defaultValue)  
      protected <T> T readParameter​(java.util.Map<java.lang.String,​?> queryParameters, java.lang.String name, java.lang.Class<T> type, T defaultValue)  
      protected void readParameters​(java.util.Map<java.lang.String,​?> queryParameters)  
      protected void setOCLQueryParameters​(java.util.Map<java.lang.String,​java.lang.Object> parameters, org.eclipse.ocl.Query<org.eclipse.emf.ecore.EClassifier,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> query)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • LAZY_EXTENTS_PARAMETER

        public static final java.lang.String LAZY_EXTENTS_PARAMETER
        Since:
        4.1
        See Also:
        Constant Field Values

      • IMPLICIT_ROOT_CLASS_PARAMETER

        public static final java.lang.String IMPLICIT_ROOT_CLASS_PARAMETER
        Query parameter indicating the EClass to set as the implicit root class of the type hierarchy. The default is null.
        Since:
        4.2
        See Also:
        Constant Field Values

    • Constructor Detail

      • OCLQueryHandler

        public OCLQueryHandler()

    • Method Detail

      • addResult

        protected boolean addResult​(java.lang.Object result,
                            IQueryContext context,
                            CDOView view)

      • getRevision

        protected CDORevision getRevision​(org.eclipse.emf.ecore.EObject object,
                                  CDOView view)

      • evaluate

        protected java.lang.Object evaluate​(org.eclipse.ocl.Query<org.eclipse.emf.ecore.EClassifier,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> query,
                                    org.eclipse.emf.ecore.EObject object)

      • createsLazyExtents

        protected boolean createsLazyExtents()

      • createOCL

        protected org.eclipse.ocl.OCL<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> createOCL​(CDOView view,
                                                                                                                                                                                                                                                         CDOExtentMap extentMap)
        Since:
        4.2

      • createQuery

        protected org.eclipse.ocl.Query<org.eclipse.emf.ecore.EClassifier,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> createQuery​(CDOView view,
                                                                                                                                                      CDOQueryInfo info,
                                                                                                                                                      OCLQueryHandler.ContextParameter contextParameter,
                                                                                                                                                      org.eclipse.ocl.OCL<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> ocl)
                                                                                                                                               throws org.eclipse.ocl.ParserException,
                                                                                                                                                      org.eclipse.emf.common.util.DiagnosticException
        Throws:
        org.eclipse.ocl.ParserException
        org.eclipse.emf.common.util.DiagnosticException
        Since:
        4.2

      • getArbitraryContextClassifier

        @Deprecated
protected org.eclipse.emf.ecore.EClassifier getArbitraryContextClassifier​(CDOPackageRegistry packageRegistry)
        Deprecated.
        As of 4.2 no longer supported.

      • initEnvironment

        protected void initEnvironment​(org.eclipse.ocl.Environment<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> environment,
                               CDOPackageRegistry packageRegistry,
                               java.util.Map<java.lang.String,​java.lang.Object> parameters)

      • getImplicitRootClass

        protected org.eclipse.emf.ecore.EClass getImplicitRootClass()
        Since:
        4.2

      • createInitExpression

        protected org.eclipse.ocl.expressions.OCLExpression<org.eclipse.emf.ecore.EClassifier> createInitExpression​(org.eclipse.ocl.types.OCLStandardLibrary<org.eclipse.emf.ecore.EClassifier> stdLib,
                                                                                                            CDOPackageRegistry packageRegistry,
                                                                                                            java.lang.Object value)

      • addEnvironmentVariable

        protected void addEnvironmentVariable​(org.eclipse.ocl.Environment<?,​org.eclipse.emf.ecore.EClassifier,​?,​?,​?,​?,​?,​?,​?,​org.eclipse.ocl.ecore.Constraint,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> environment,
                                      org.eclipse.ocl.expressions.Variable<org.eclipse.emf.ecore.EClassifier,​?> variable)

      • readParameters

        protected void readParameters​(java.util.Map<java.lang.String,​?> queryParameters)
        Since:
        4.2

      • readParameter

        protected boolean readParameter​(java.util.Map<java.lang.String,​?> queryParameters,
                                java.lang.String name,
                                boolean defaultValue)
        Since:
        4.2

      • readParameter

        protected <T> T readParameter​(java.util.Map<java.lang.String,​?> queryParameters,
                              java.lang.String name,
                              java.lang.Class<T> type,
                              T defaultValue)
        Since:
        4.2

      • setOCLQueryParameters

        protected void setOCLQueryParameters​(java.util.Map<java.lang.String,​java.lang.Object> parameters,
                                     org.eclipse.ocl.Query<org.eclipse.emf.ecore.EClassifier,​org.eclipse.emf.ecore.EClass,​org.eclipse.emf.ecore.EObject> query)
        Since:
        4.2

      • isOCLQueryParameter

        protected boolean isOCLQueryParameter​(java.lang.String name)
        Since:
        4.2

      • prepareContainer

        public static void prepareContainer​(org.eclipse.net4j.util.container.IManagedContainer container)