java.lang.Object

org.eclipse.emf.cdo.server.ocl.OCLQueryHandler

All Implemented Interfaces:: IQueryHandler

public class OCLQueryHandler extends Object implements IQueryHandler

A query handler that evaluates OCL query expressions.

Author:: Eike Stepper

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

protected static final class

OCLQueryHandler.ContextParameter

An abstraction of the classifier and/or obejct of an OCL query context parameter.

static class

OCLQueryHandler.Factory

Creates OCLQueryHandler instances.

Nested classes/interfaces inherited from interface org.eclipse.emf.cdo.server.IQueryHandler
IQueryHandler.PotentiallySlow
Field Summary

Fields

Modifier and Type

Field

Description

static final String

IMPLICIT_ROOT_CLASS_PARAMETER

Query parameter indicating the EClass to set as the implicit root class of the type hierarchy.

static final String

LANGUAGE_NAME

static final String

LAZY_EXTENTS_PARAMETER
Constructor Summary

Constructors

Constructor

Description

OCLQueryHandler()
Method Summary

Modifier and Type

Method

Description

protected void

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

protected boolean

addResult(Object result, IQueryContext context, CDOView view)

protected CDOExtentMap

createExtentMap(CDOView view, CDOChangeSetData changeSetData, IQueryContext context)

protected org.eclipse.ocl.expressions.OCLExpression<EClassifier>

createInitExpression(org.eclipse.ocl.types.OCLStandardLibrary<EClassifier> stdLib, CDOPackageRegistry packageRegistry, Object value)

protected org.eclipse.ocl.OCL<?,EClassifier,?,?,?,?,?,?,?,org.eclipse.ocl.ecore.Constraint,EClass,EObject>

createOCL(CDOView view, CDOExtentMap extentMap)

protected org.eclipse.ocl.Query<EClassifier,EClass,EObject>

createQuery(CDOView view, CDOQueryInfo info, OCLQueryHandler.ContextParameter contextParameter, org.eclipse.ocl.OCL<?,EClassifier,?,?,?,?,?,?,?,org.eclipse.ocl.ecore.Constraint,EClass,EObject> ocl)

protected boolean

createsLazyExtents()

protected Object

evaluate(org.eclipse.ocl.Query<EClassifier,EClass,EObject> query, 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 EClassifier

getArbitraryContextClassifier(CDOPackageRegistry packageRegistry)

Deprecated.
As of 4.2 no longer supported.

protected OCLQueryHandler.ContextParameter

getContextParameter(CDOQueryInfo info, CDOView view)

protected EClass

getImplicitRootClass()

protected CDORevision

getRevision(EObject object, CDOView view)

protected void

initEnvironment(org.eclipse.ocl.Environment<?,EClassifier,?,?,?,?,?,?,?,org.eclipse.ocl.ecore.Constraint,EClass,EObject> environment, CDOPackageRegistry packageRegistry, Map<String,Object> parameters)

protected boolean

isOCLQueryParameter(String name)

static void

prepareContainer(org.eclipse.net4j.util.container.IManagedContainer container)

protected boolean

readParameter(Map<String,?> queryParameters, String name, boolean defaultValue)

protected <T> T

readParameter(Map<String,?> queryParameters, String name, Class<T> type, T defaultValue)

protected void

readParameters(Map<String,?> queryParameters)

protected void

setOCLQueryParameters(Map<String,Object> parameters, org.eclipse.ocl.Query<EClassifier,EClass,EObject> query)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- LANGUAGE_NAME
  
  public static final String LANGUAGE_NAME
  See Also:
  
  Constant Field Values
- LAZY_EXTENTS_PARAMETER
  
  public static final String LAZY_EXTENTS_PARAMETER
  Since:
  
  4.1
  
  See Also:
  
  Constant Field Values
- IMPLICIT_ROOT_CLASS_PARAMETER
  
  public static final 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 Details
- OCLQueryHandler
  
  public OCLQueryHandler()
Method Details
- executeQuery
  
  public void executeQuery(CDOQueryInfo info, IQueryContext context)
  
  Description copied from interface: IQueryHandler
  
  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.
  
  Specified by:
  
  executeQuery in interface IQueryHandler
- addResult
  
  protected boolean addResult(Object result, IQueryContext context, CDOView view)
- getRevision
  
  protected CDORevision getRevision(EObject object, CDOView view)
- evaluate
  
  protected Object evaluate(org.eclipse.ocl.Query<EClassifier,EClass,EObject> query, EObject object)
- createExtentMap
  
  protected CDOExtentMap createExtentMap(CDOView view, CDOChangeSetData changeSetData, IQueryContext context)
- createsLazyExtents
  
  protected boolean createsLazyExtents()
- createOCL
  
  protected org.eclipse.ocl.OCL<?,EClassifier,?,?,?,?,?,?,?,org.eclipse.ocl.ecore.Constraint,EClass,EObject> createOCL(CDOView view, CDOExtentMap extentMap)
  
  Since:
  
  4.2
- createQuery
  
  protected org.eclipse.ocl.Query<EClassifier,EClass,EObject> createQuery(CDOView view, CDOQueryInfo info, OCLQueryHandler.ContextParameter contextParameter, org.eclipse.ocl.OCL<?,EClassifier,?,?,?,?,?,?,?,org.eclipse.ocl.ecore.Constraint,EClass,EObject> ocl) throws org.eclipse.ocl.ParserException, DiagnosticException
  
  Throws:
  
  org.eclipse.ocl.ParserException
  
  DiagnosticException
  
  Since:
  
  4.2
- getArbitraryContextClassifier
  
  @Deprecated protected EClassifier getArbitraryContextClassifier(CDOPackageRegistry packageRegistry)
  
  Deprecated.
  As of 4.2 no longer supported.
- initEnvironment
  
  protected void initEnvironment(org.eclipse.ocl.Environment<?,EClassifier,?,?,?,?,?,?,?,org.eclipse.ocl.ecore.Constraint,EClass,EObject> environment, CDOPackageRegistry packageRegistry, Map<String,Object> parameters)
- getImplicitRootClass
  
  protected EClass getImplicitRootClass()
  
  Since:
  
  4.2
- createInitExpression
  
  protected org.eclipse.ocl.expressions.OCLExpression<EClassifier> createInitExpression(org.eclipse.ocl.types.OCLStandardLibrary<EClassifier> stdLib, CDOPackageRegistry packageRegistry, Object value)
- addEnvironmentVariable
  
  protected void addEnvironmentVariable(org.eclipse.ocl.Environment<?,EClassifier,?,?,?,?,?,?,?,org.eclipse.ocl.ecore.Constraint,EClass,EObject> environment, org.eclipse.ocl.expressions.Variable<EClassifier,?> variable)
- getContextParameter
  
  protected OCLQueryHandler.ContextParameter getContextParameter(CDOQueryInfo info, CDOView view)
  
  Since:
  
  4.2
- readParameters
  
  protected void readParameters(Map<String,?> queryParameters)
  
  Since:
  
  4.2
- readParameter
  
  protected boolean readParameter(Map<String,?> queryParameters, String name, boolean defaultValue)
  
  Since:
  
  4.2
- readParameter
  
  protected <T> T readParameter(Map<String,?> queryParameters, String name, Class<T> type, T defaultValue)
  
  Since:
  
  4.2
- setOCLQueryParameters
  
  protected void setOCLQueryParameters(Map<String,Object> parameters, org.eclipse.ocl.Query<EClassifier,EClass,EObject> query)
  
  Since:
  
  4.2
- isOCLQueryParameter
  
  protected boolean isOCLQueryParameter(String name)
  
  Since:
  
  4.2
- prepareContainer
  
  public static void prepareContainer(org.eclipse.net4j.util.container.IManagedContainer container)

Class OCLQueryHandler

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.emf.cdo.server.IQueryHandler

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

LANGUAGE_NAME

LAZY_EXTENTS_PARAMETER

IMPLICIT_ROOT_CLASS_PARAMETER

Constructor Details

OCLQueryHandler

Method Details

executeQuery

addResult

getRevision

evaluate

createExtentMap

createsLazyExtents

createOCL

createQuery

getArbitraryContextClassifier

initEnvironment

getImplicitRootClass

createInitExpression

addEnvironmentVariable

getContextParameter

readParameters

readParameter

readParameter

setOCLQueryParameters

isOCLQueryParameter

prepareContainer