Attachment 126724 Details for Bug 255786 – improvements and new management of constraint

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[patch] improvements and new management of constraint

constraintsDelegator5.patch (text/plain), 30.04 KB, created by Tristan Faure

on 2009-02-25 09:46:56 EST

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Filename:

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Creator: Tristan Faure

Created: 2009-02-25 09:46:56 EST

Size: 30.04 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.emf.ecore
>Index: plugin.xml
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.emf/org.eclipse.emf/plugins/org.eclipse.emf.ecore/plugin.xml,v
>retrieving revision 1.22
>diff -u -r1.22 plugin.xml
>--- plugin.xml	27 Apr 2008 20:27:23 -0000	1.22
>+++ plugin.xml	25 Feb 2009 14:44:54 -0000
>@@ -10,6 +10,7 @@
>    <extension-point id="content_handler" name="%_UI_ContentHandlerRegistry_extensionpoint" schema="schema/content_handler.exsd"/>
>    <extension-point id="uri_mapping" name="%_UI_URIMappingRegistry_extensionpoint" schema="schema/uri_mapping.exsd"/>
>    <extension-point id="package_registry_implementation" name="%_UI_PackageRegistryImplementation_extensionpoint" schema="schema/package_registry_implementation.exsd"/>
>+   <extension-point id="constraints_delegator_registry" name="%_UI_ConstraintsDelegatorRegistry_extensionpoint" schema="schema/constraints_delegator_registry.exsd"/>
> 
>    <extension point="org.eclipse.emf.ecore.generated_package">
>       <package
>Index: plugin.properties
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.emf/org.eclipse.emf/plugins/org.eclipse.emf.ecore/plugin.properties,v
>retrieving revision 1.33
>diff -u -r1.33 plugin.properties
>--- plugin.properties	20 Feb 2009 12:44:50 -0000	1.33
>+++ plugin.properties	25 Feb 2009 14:44:54 -0000
>@@ -116,6 +116,8 @@
> _UI_ContentHandler_extensionpoint = Content Handler Registry
> _UI_URIMappingRegistry_extensionpoint = URI Converter Mapping Registry
> _UI_PackageRegistryImplementation_extensionpoint = Ecore Package Registry Implementation
>+_UI_ConstraintsDelegatorRegistry_extensionpoint = Constraints Delegator Registry
>+
> 
> _UI_GenericInvariant_diagnostic = The ''{0}'' invariant is violated on ''{1}''
> _UI_GenericConstraint_diagnostic = The ''{0}'' constraint is violated on ''{1}''
>Index: src/org/eclipse/emf/ecore/plugin/EcorePlugin.java
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.emf/org.eclipse.emf/plugins/org.eclipse.emf.ecore/src/org/eclipse/emf/ecore/plugin/EcorePlugin.java,v
>retrieving revision 1.23
>diff -u -r1.23 EcorePlugin.java
>--- src/org/eclipse/emf/ecore/plugin/EcorePlugin.java	2 Aug 2008 13:40:51 -0000	1.23
>+++ src/org/eclipse/emf/ecore/plugin/EcorePlugin.java	25 Feb 2009 14:44:54 -0000
>@@ -55,7 +55,7 @@
>  * A collection of platform-neutral static utilities
>  * as well as Eclipse support utilities.
>  */
>-public class EcorePlugin  extends EMFPlugin
>+public class EcorePlugin extends EMFPlugin
> {
>   /**
>    * The singleton instance of the plugin.
>@@ -67,7 +67,7 @@
>    */
>   private EcorePlugin()
>   {
>-    super(new ResourceLocator[] {});
>+    super(new ResourceLocator []{});
>   }
> 
>   @Override
>@@ -162,7 +162,7 @@
>    * @param arguments an array of "command line" options.
>    * @return the arguments stripped of those recognized as platform resource options.
>    */
>-  public static String [] handlePlatformResourceOptions(String [] arguments)
>+  public static String[] handlePlatformResourceOptions(String[] arguments)
>   {
>     getPlatformResourceMap();
> 
>@@ -204,7 +204,7 @@
>           }
>         }
> 
>-        String [] remainingArguments = new String [arguments.length - (i - start)];
>+        String[] remainingArguments = new String [arguments.length - (i - start)];
>         System.arraycopy(arguments, 0, remainingArguments, 0, start);
>         System.arraycopy(arguments, i, remainingArguments, start, arguments.length - i);
>         return remainingArguments;
>@@ -213,7 +213,7 @@
> 
>     return arguments;
>   }
>-  
>+
>   /**
>    * Returns a map from {@link EPackage#getNsURI() package namespace URI} (represented as a String) 
>    * to the location of the GenModel containing a GenPackage for the package (represented as a {@link URI URI}).
>@@ -258,10 +258,10 @@
>     }
>     return result;
>   }
>-  
>+
>   private static Pattern bundleSymbolNamePattern;
>-  private static byte [] NO_BYTES = new byte [0];
>-  
>+  private static byte[] NO_BYTES = new byte [0];
>+
>   /**
>    * Computes a map from <code>platform:/plugin/&lt;plugin-id>/</code> {@link URI} to 
>    * <code>platform:/resource/&lt;plugin-location>/</code> URI
>@@ -277,12 +277,12 @@
>     Map<URI, URI> result = new HashMap<URI, URI>();
>     IWorkspaceRoot root = getWorkspaceRoot();
>     if (root != null)
>-    { 
>-      IProject [] projects = root.getProjects();
>+    {
>+      IProject[] projects = root.getProjects();
>       if (projects != null)
>       {
>         String pluginID = null;
>-        
>+
>         class Handler extends DefaultHandler
>         {
>           public String pluginID;
>@@ -298,11 +298,11 @@
>           }
>         }
>         Handler handler = new Handler();
>-        
>-        SAXParserFactory parserFactory= SAXParserFactory.newInstance();
>+
>+        SAXParserFactory parserFactory = SAXParserFactory.newInstance();
>         parserFactory.setNamespaceAware(true);
>         SAXParser parser = null;
>-        
>+
>         try
>         {
>           parser = parserFactory.newSAXParser();
>@@ -311,14 +311,14 @@
>         {
>           INSTANCE.log(exception);
>         }
>-        
>+
>         if (bundleSymbolNamePattern == null)
>         {
>           bundleSymbolNamePattern = Pattern.compile("^\\s*Bundle-SymbolicName\\s*:\\s*([^\\s;]*)\\s*(;.*)?$", Pattern.MULTILINE);
>         }
>-        
>-        byte [] bytes = NO_BYTES;
>-        
>+
>+        byte[] bytes = NO_BYTES;
>+
>         for (int i = 0, size = projects.length; i < size; ++i)
>         {
>           IProject project = projects[i];
>@@ -331,7 +331,7 @@
>               InputStream inputStream = null;
>               try
>               {
>-                inputStream = manifest.getContents(); 
>+                inputStream = manifest.getContents();
>                 int available = inputStream.available();
>                 if (bytes.length < available)
>                 {
>@@ -386,21 +386,21 @@
>                 }
>               }
>             }
>-            
>+
>             if (pluginID != null)
>             {
>               URI platformPluginURI = URI.createPlatformPluginURI(pluginID + "/", false);
>-              URI platformResourceURI = URI.createPlatformResourceURI(project.getName() + "/",  true);
>+              URI platformResourceURI = URI.createPlatformResourceURI(project.getName() + "/", true);
>               result.put(platformPluginURI, platformResourceURI);
>             }
>           }
>         }
>       }
>     }
>-    
>+
>     return result;
>   }
>-  
>+
>   /**
>    * Computes a map so that plugins in the workspace will override those in the environment
>    * and so that plugins with Ecore and GenModels will look like projects in the workspace.
>@@ -425,13 +425,13 @@
>     result.putAll(computePlatformResourceToPlatformPluginMap(new HashSet<URI>(EcorePlugin.getEPackageNsURIToGenModelLocationMap().values())));
>     return result;
>   }
>-  
>+
>   /**
>    * The platform resource map.
>    * @see #getPlatformResourceMap
>    */
>   private static Map<String, URI> platformResourceMap;
>-  
>+
>   /**
>    * The map from package namespace URIs to the location of the GenModel for that package.
>    * @see #getPlatformResourceMap
>@@ -452,7 +452,7 @@
>       super();
>       plugin = this;
>     }
>-  
>+
>     /**
>      * Starts up this plugin by reading some extensions and populating the relevant registries.
>      * <p>
>@@ -520,52 +520,53 @@
>         workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
>       }
> 
>-      new RegistryReader
>-        (Platform.getExtensionRegistry(),
>-         EcorePlugin.getPlugin().getBundle().getSymbolicName(), 
>-         PACKAGE_REGISTRY_IMPLEMENTATION_PPID)
>-      {
>-        IConfigurationElement previous;
>-
>-        @Override
>-        protected boolean readElement(IConfigurationElement element)
>+      new RegistryReader(
>+        Platform.getExtensionRegistry(),
>+        EcorePlugin.getPlugin().getBundle().getSymbolicName(),
>+        PACKAGE_REGISTRY_IMPLEMENTATION_PPID)
>         {
>-          if (element.getName().equals("registry"))
>+          IConfigurationElement previous;
>+
>+          @Override
>+          protected boolean readElement(IConfigurationElement element)
>           {
>-            String implementationClass = element.getAttribute("class");
>-            if (implementationClass == null)
>+            if (element.getName().equals("registry"))
>             {
>-              logMissingAttribute(element, "class");
>-            }
>-            else
>-            {
>-              if (defaultRegistryImplementation != null)
>+              String implementationClass = element.getAttribute("class");
>+              if (implementationClass == null)
>+              {
>+                logMissingAttribute(element, "class");
>+              }
>+              else
>               {
>-                if (previous != null)
>+                if (defaultRegistryImplementation != null)
>                 {
>-                  log("Both '" + previous.getContributor().getName() + "' and '" + element.getContributor().getName() + "' register a package registry implementation");
>+                  if (previous != null)
>+                  {
>+                    log("Both '" + previous.getContributor().getName() + "' and '" + element.getContributor().getName()
>+                      + "' register a package registry implementation");
>+                  }
>+                  if (defaultRegistryImplementation instanceof EPackageRegistryImpl.Delegator)
>+                  {
>+                    return false;
>+                  }
>                 }
>-                if (defaultRegistryImplementation instanceof EPackageRegistryImpl.Delegator)
>+                try
>                 {
>-                  return false;
>+                  defaultRegistryImplementation = (EPackage.Registry)element.createExecutableExtension("class");
>+                  previous = element;
>                 }
>+                catch (CoreException exception)
>+                {
>+                  log(exception);
>+                }
>+                return true;
>               }
>-              try
>-              {
>-                defaultRegistryImplementation = (EPackage.Registry)element.createExecutableExtension("class");
>-                previous = element;
>-              }
>-              catch (CoreException exception)
>-              {
>-                log(exception);
>-              }
>-              return true;
>             }
>+            return false;
>           }
>-          return false;
>-        }
>-        
>-      }.readRegistry();
>+
>+        }.readRegistry();
> 
>       new GeneratedPackageRegistryReader(getEPackageNsURIToGenModelLocationMap()).readRegistry();
>       new DynamicPackageRegistryReader().readRegistry();
>@@ -575,13 +576,14 @@
>       new ContentParserRegistryReader().readRegistry();
>       new ContentHandlerRegistryReader().readRegistry();
>       new URIMappingRegistryReader().readRegistry();
>+      new ConstraintsDelegatorFactoryRegistryReader().readRegistry();
>     }
>   }
> 
>   /**
>    * The default registry implementation singleton.
>    */
>-  private static EPackage.Registry defaultRegistryImplementation; 
>+  private static EPackage.Registry defaultRegistryImplementation;
> 
>   /**
>    * Returns the default registry implementation singleton.
>@@ -631,4 +633,5 @@
>   public static final String SCHEME_PARSER_PPID = "scheme_parser";
>   public static final String URI_MAPPING_PPID = "uri_mapping";
>   public static final String PACKAGE_REGISTRY_IMPLEMENTATION_PPID = "package_registry_implementation";
>+  public static final String CONSTRAINTS_DELEGATOR_FACTORY = "constraints_delegator_registry";
> }
>\ No newline at end of file
>Index: src/org/eclipse/emf/ecore/util/EObjectValidator.java
>===================================================================
>RCS file: /cvsroot/modeling/org.eclipse.emf/org.eclipse.emf/plugins/org.eclipse.emf.ecore/src/org/eclipse/emf/ecore/util/EObjectValidator.java,v
>retrieving revision 1.30
>diff -u -r1.30 EObjectValidator.java
>--- src/org/eclipse/emf/ecore/util/EObjectValidator.java	20 Feb 2009 12:44:50 -0000	1.30
>+++ src/org/eclipse/emf/ecore/util/EObjectValidator.java	25 Feb 2009 14:44:54 -0000
>@@ -16,7 +16,8 @@
>  */
> package org.eclipse.emf.ecore.util;
> 
>-
>+import java.lang.reflect.Array;
>+import java.math.BigDecimal;
> import java.util.ArrayList;
> import java.util.Collection;
> import java.util.HashMap;
>@@ -25,33 +26,27 @@
> import java.util.ListIterator;
> import java.util.Map;
> 
>-import java.lang.reflect.Array;
>-import java.math.BigDecimal;
>-
> import org.eclipse.emf.common.util.BasicDiagnostic;
> import org.eclipse.emf.common.util.BasicEList;
> import org.eclipse.emf.common.util.Diagnostic;
> import org.eclipse.emf.common.util.DiagnosticChain;
> import org.eclipse.emf.common.util.EMap;
> import org.eclipse.emf.common.util.ResourceLocator;
>-
>-import org.eclipse.emf.ecore.EValidator;
>-
>+import org.eclipse.emf.ecore.EAnnotation;
> import org.eclipse.emf.ecore.EAttribute;
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.emf.ecore.EClass;
>-import org.eclipse.emf.ecore.EReference;
>-import org.eclipse.emf.ecore.EcorePackage;
> import org.eclipse.emf.ecore.EDataType;
>+import org.eclipse.emf.ecore.EObject;
> import org.eclipse.emf.ecore.EPackage;
>+import org.eclipse.emf.ecore.EReference;
> import org.eclipse.emf.ecore.EStructuralFeature;
>+import org.eclipse.emf.ecore.EValidator;
>+import org.eclipse.emf.ecore.EcorePackage;
> import org.eclipse.emf.ecore.InternalEObject;
>-
> import org.eclipse.emf.ecore.plugin.EcorePlugin;
>-
> import org.eclipse.emf.ecore.resource.Resource;
> import org.eclipse.emf.ecore.resource.ResourceSet;
>-
>+import org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory;
> import org.eclipse.emf.ecore.xml.type.util.XMLTypeUtil;
> 
> 
>@@ -82,6 +77,15 @@
>   
>   static final int EOBJECT_DIAGNOSTIC_CODE_COUNT = EOBJECT__NO_CIRCULAR_CONTAINMENT;
>   
>+  // constants for user validation
>+  private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY = "factory";
>+  private static final String USER_CONSTRAINT_VALIDATION_NAME = "name";
>+  private static final String USER_CONSTRAINT_VALIDATION_MESSAGE = "message";
>+  private static final String USER_CONSTRAINT_VALIDATION_SEVERITY = "severity";
>+  private static final String USER_CONSTRAINT_VALIDATION_CONSTRAINT = "constraint";
>+  private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE = "inheritsConstraints";
>+  private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_ECORE = "http://www.eclipse.org/emf/2002/Ecore";
>+  
>   /**
>    * A key to be used in <code>context</code> maps to indicate the root object at which validation started.
>    * It's used to detect {@link #EOBJECT__NO_CIRCULAR_CONTAINMENT circular containment}
>@@ -1417,7 +1421,124 @@
>         }
>       }
>     }
>-
>+        return result;
>+  }
>+  
>+  /**
>+   * @since 2.5
>+   * @param theEClass the eclass of the eobject
>+   * @param objectn the eobject to check
>+   * @param theDiagnostics the diagnostic chain to modify if problems
>+   * @param context the context
>+   * @return true if user constraint ok false else
>+   */
>+  protected boolean validate_UserConstraintsByEClass(
>+    EClass theEClass,
>+    EObject object,
>+    DiagnosticChain theDiagnostics,
>+    Map<Object, Object> context)
>+  {
>+    // we check if the factory is declared in EPackage if it 's not the case. Constraints can't be checked
>+    Collection<EAnnotation> annotations = theEClass.getEAnnotations();
>+    EAnnotation annotationPackage = theEClass.getEPackage().getEAnnotation(USER_CONSTRAINT_VALIDATION_EANNOTATION_ECORE);
>+    boolean result = true;
>+    boolean inheritsConstraints = true;
>+    if (annotationPackage != null && annotationPackage.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY))
>+    {
>+      String factoryName = "";
>+      String keyName = "";
>+      // for validation
>+      String rule = "";
>+      String ruleName = "";
>+      String message = "";
>+      int severity = Diagnostic.WARNING;
>+      String strFactory = annotationPackage.getDetails().get(USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY);
>+      String[] strs = strFactory.split("#");
>+      if (strs != null && strs.length == 2)
>+      {
>+        factoryName = strs[0];
>+        keyName = strs[1];
>+      }
>+      else
>+      {
>+        factoryName = strFactory;
>+        keyName = strFactory;
>+      }
>+      Factory factory = ConstraintsDelegator.Factory.Registry.INSTANCE.getFactory(factoryName);
>+      if (factory != null)
>+      {
>+        for (EAnnotation e : annotations)
>+        {
>+          if (keyName.equals(e.getSource()) || factoryName.equals(e.getSource()))
>+          {
>+            if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE))
>+            {
>+              String value = e.getDetails().get(USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE);
>+              if (value != null && ("true".equals(value.trim().toLowerCase()) || "false".equals(value.trim().toLowerCase())))
>+              {
>+                inheritsConstraints = Boolean.valueOf(value);
>+              }
>+            }
>+            if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_CONSTRAINT))
>+            {
>+              rule = e.getDetails().get(USER_CONSTRAINT_VALIDATION_CONSTRAINT);
>+              // default value
>+              ruleName = rule;
>+              message = "problem with rule  " + rule;
>+              // we need at least a constraint to work
>+              if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_MESSAGE))
>+              {
>+                message = e.getDetails().get(USER_CONSTRAINT_VALIDATION_MESSAGE);
>+              }
>+              if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_NAME))
>+              {
>+                ruleName = e.getDetails().get(USER_CONSTRAINT_VALIDATION_NAME);
>+              }
>+              if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_SEVERITY))
>+              {
>+                String severityS = e.getDetails().get(USER_CONSTRAINT_VALIDATION_SEVERITY);
>+                severityS = severityS.toLowerCase().trim();
>+                if ("warning".equals(severityS))
>+                {
>+                  severity = Diagnostic.WARNING;
>+                }
>+                else if ("error".equals(severityS))
>+                {
>+                  severity = Diagnostic.ERROR;
>+                }
>+              }
>+              ConstraintsDelegator constraintDelegator = factory.createConstraintDelegator();
>+              if (constraintDelegator != null)
>+              {
>+                result &= constraintDelegator.validate(rule, ruleName, severity, message, object, theDiagnostics, context);
>+              }
>+            }
>+          }
>+        }
>+        // we check inherited constraints
>+        if (inheritsConstraints)
>+        {
>+          for (EClass c : theEClass.getESuperTypes())
>+          {
>+            result &= validate_UserConstraintsByEClass(c, object, theDiagnostics, context);
>+          }
>+        }
>+      }
>+    }
>+    return result;
>+  }
>+  
>+  /**
>+     * @since 2.5
>+     * @param object the eobject to check
>+     * @param theDiagnostics the diagnostic to modify if problem
>+     * @param context the context
>+     * @return true if user constraint is ok false else
>+     */
>+  protected boolean validate_UserConstraints(EObject object, DiagnosticChain theDiagnostics, Map<Object, Object> context)
>+  {
>+    EClass theclass = object.eClass();
>+    boolean result = validate_UserConstraintsByEClass(theclass, object, theDiagnostics, context);
>     return result;
>   }
> 
>Index: src/org/eclipse/emf/ecore/plugin/ConstraintsDelegatorFactoryRegistryReader.java
>===================================================================
>RCS file: src/org/eclipse/emf/ecore/plugin/ConstraintsDelegatorFactoryRegistryReader.java
>diff -N src/org/eclipse/emf/ecore/plugin/ConstraintsDelegatorFactoryRegistryReader.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/emf/ecore/plugin/ConstraintsDelegatorFactoryRegistryReader.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,87 @@
>+/**
>+ * <copyright>
>+ *
>+ * Copyright (c) 2005 IBM Corporation and others.
>+ * All rights reserved.   This program and the accompanying materials
>+ * are made available under the terms of the Common Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/cpl-v10.html
>+ * 
>+ * Contributors: 
>+ *   IBM - Initial API and implementation
>+ *
>+ * </copyright>
>+ *
>+ * $Id: EMF_codetemplates.xml,v 1.1 2008/05/06 20:12:20 nickb Exp $
>+ */
>+package org.eclipse.emf.ecore.plugin;
>+
>+import org.eclipse.core.runtime.CoreException;
>+import org.eclipse.core.runtime.IConfigurationElement;
>+import org.eclipse.core.runtime.Platform;
>+import org.eclipse.emf.common.util.WrappedException;
>+import org.eclipse.emf.ecore.util.ConstraintsDelegator;
>+import org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory;
>+
>+/**
>+ * A plugin extension reader that populates the
>+ * {@link org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory.Registry#INSTANCE global} resource factory's
>+ * Clients are not expected to use this class directly.
>+ */
>+public class ConstraintsDelegatorFactoryRegistryReader extends RegistryReader
>+{
>+  static final String TAG_FACTORY = "factory";
>+  static final String ATT_URI = "uri";
>+  static final String ATT_CLASS = "class";
>+  
>+  public ConstraintsDelegatorFactoryRegistryReader()
>+  {
>+    super
>+    (Platform.getExtensionRegistry(),
>+     EcorePlugin.getPlugin().getBundle().getSymbolicName(), 
>+     EcorePlugin.CONSTRAINTS_DELEGATOR_FACTORY);
>+  }
>+  
>+  @Override
>+  protected boolean readElement(IConfigurationElement element, boolean add)
>+  {
>+    if (element.getName().equals(TAG_FACTORY))
>+    {
>+      String packageURI = element.getAttribute(ATT_URI);
>+      if (packageURI == null)
>+      {
>+        logMissingAttribute(element, ATT_URI);
>+      }
>+      else if (element.getAttribute(ATT_CLASS) == null)
>+      {
>+        logMissingAttribute(element, ATT_CLASS);
>+      }
>+      else
>+      {
>+        try
>+        {
>+          Object o = element.createExecutableExtension(ATT_CLASS);
>+          if (o instanceof ConstraintsDelegator.Factory)
>+          {
>+            Factory tmp = ConstraintsDelegator.Factory.Registry.INSTANCE.getFactory(packageURI);
>+            if (tmp != null)
>+            {
>+              EcorePlugin.INSTANCE.log
>+              ("factory '" + o.getClass().getName() + "'tries to override '" + packageURI + "' instead of factor '" + tmp.getClass().getName()+"'");
>+            }
>+            else 
>+            {
>+              ConstraintsDelegator.Factory.Registry.INSTANCE.putFactory(packageURI, (Factory)o);
>+            }
>+          }
>+          return true;
>+        }
>+        catch (CoreException e)
>+        {
>+          throw new WrappedException(e);
>+        }
>+      }
>+    }
>+    return false;
>+  }
>+}
>Index: schema/constraints_delegator_registry.exsd
>===================================================================
>RCS file: schema/constraints_delegator_registry.exsd
>diff -N schema/constraints_delegator_registry.exsd
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ schema/constraints_delegator_registry.exsd	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,113 @@
>+<?xml version='1.0' encoding='UTF-8'?>
>+
>+<schema targetNamespace="org.eclipse.emf.ecore" xmlns="http://www.w3.org/2001/XMLSchema">
>+<annotation>
>+      <appinfo>
>+         <meta.schema plugin="org.eclipse.emf.ecore" id="constraints_delegator_registry" name="%_UI_ConstraintsDelegatorRegistry_extensionpoint"/>
>+      </appinfo>
>+      <documentation>
>+         Adds a ConstraintDelegatorFactory to check constraints in Ecore models
>+      </documentation>
>+   </annotation>
>+
>+   <element name="extension">
>+      <annotation>
>+         <appinfo>
>+            <meta.element />
>+         </appinfo>
>+      </annotation>
>+      <complexType>
>+         <sequence>
>+            <element ref="factory"/>
>+         </sequence>
>+         <attribute name="point" type="string" use="required">
>+            <annotation>
>+               <documentation>
>+                  
>+               </documentation>
>+            </annotation>
>+         </attribute>
>+         <attribute name="id" type="string">
>+            <annotation>
>+               <documentation>
>+                  
>+               </documentation>
>+            </annotation>
>+         </attribute>
>+         <attribute name="name" type="string">
>+            <annotation>
>+               <documentation>
>+                  
>+               </documentation>
>+               <appinfo>
>+                  <meta.attribute translatable="true"/>
>+               </appinfo>
>+            </annotation>
>+         </attribute>
>+      </complexType>
>+   </element>
>+
>+   <element name="factory">
>+      <complexType>
>+         <attribute name="uri" type="string" use="required">
>+            <annotation>
>+               <documentation>
>+                  the uri which will be inserted by user to check constraints
>+               </documentation>
>+            </annotation>
>+         </attribute>
>+         <attribute name="class" type="string" use="required">
>+            <annotation>
>+               <documentation>
>+                  A fully qualified name of the Java class implementing &lt;samp&gt;org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory
>+&lt;/samp&gt;.
>+               </documentation>
>+               <appinfo>
>+                  <meta.attribute kind="java" basedOn=":org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory"/>
>+               </appinfo>
>+            </annotation>
>+         </attribute>
>+      </complexType>
>+   </element>
>+
>+   <annotation>
>+      <appinfo>
>+         <meta.section type="since"/>
>+      </appinfo>
>+      <documentation>
>+         2.5.0
>+      </documentation>
>+   </annotation>
>+
>+   <annotation>
>+      <appinfo>
>+         <meta.section type="examples"/>
>+      </appinfo>
>+      <documentation>
>+         Following is an example of implementation
>+&lt;pre&gt;
>+&lt;extension
>+         point=&quot;org.eclipse.emf.ecore.constraints_delegator_regstry&quot;&gt;
>+      &lt;factory
>+            class=&quot;ocl.test.ConstraintsDelegator.MyFactory&quot;
>+            uri=&quot;org.eclipse.emf.ocl&quot;&gt;
>+      &lt;/factory&gt;
>+   &lt;/extension&gt;
>+&lt;/pre&gt;
>+      </documentation>
>+   </annotation>
>+
>+
>+
>+   <annotation>
>+      <appinfo>
>+         <meta.section type="copyright"/>
>+      </appinfo>
>+      <documentation>
>+         Copyright (c) 2002, 2004 IBM Corporation and others.&lt;br&gt;
>+All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at &lt;a 
>+href=&quot;http://www.eclipse.org/legal/epl-v10.html&quot;&gt;http://www.eclipse.org/legal/epl-v10.html&lt;/a&gt;
>+      </documentation>
>+   </annotation>
>+
>+</schema>
>Index: src/org/eclipse/emf/ecore/util/ConstraintsDelegator.java
>===================================================================
>RCS file: src/org/eclipse/emf/ecore/util/ConstraintsDelegator.java
>diff -N src/org/eclipse/emf/ecore/util/ConstraintsDelegator.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/emf/ecore/util/ConstraintsDelegator.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,85 @@
>+/**
>+ * <copyright>
>+ *
>+ * Copyright (c) 2005 IBM Corporation and others.
>+ * All rights reserved.   This program and the accompanying materials
>+ * are made available under the terms of the Common Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/cpl-v10.html
>+ * 
>+ * Contributors: 
>+ *   IBM - Initial API and implementation
>+ *
>+ * </copyright>
>+ *
>+ * $Id: ConstraintsDelegator.java,v 1.0 2008/11/19 16:37:42 tfaure Exp $
>+ */
>+package org.eclipse.emf.ecore.util;
>+
>+import java.util.HashMap;
>+import java.util.Map;
>+
>+import org.eclipse.emf.common.util.DiagnosticChain;
>+import org.eclipse.emf.ecore.EObject;
>+
>+
>+/**
>+ * An interface to validate a constraint
>+ * The only method to implement is {@link #validate(String, EObject, DiagnosticChain, Map)
>+ * To add a factory please see extension point : constraints_delegator_regstry
>+ */
>+public interface ConstraintsDelegator
>+{
>+  interface Factory
>+  {
>+    interface Registry
>+    {
>+      Registry INSTANCE = new Impl();
>+
>+      /**
>+       * Returns the factory identified by the key
>+       * @param key the factory id
>+       * @return the factory or null if it doesn't exist
>+       */
>+      Factory getFactory(String key);
>+
>+      /**
>+       * Registers a factory and associates it to an id
>+       * @param key the id
>+       * @param value the factory
>+       */
>+      void putFactory(String key, Factory value);
>+
>+      class Impl extends HashMap<String, Factory> implements Registry
>+      {
>+        private static final long serialVersionUID = 1L;
>+
>+        public Factory getFactory(String key)
>+        {
>+          return get(key);
>+        }
>+
>+        public void putFactory(String key, Factory value)
>+        {
>+          put(key, value);
>+        }
>+      }
>+    }
>+
>+    /**
>+     * Create a constraint delegator which is able to check a constraint
>+     * @return the constraint Delegator
>+     */
>+    ConstraintsDelegator createConstraintDelegator();
>+  }
>+
>+  /**
>+   * Validate a constraint and add to the diagnostic chain the evaluation's diagnostic
>+   * @param value the expression to manage
>+   * @param object the current EObject
>+   * @param theDiagnostics the diagnostic's chain
>+   * @param context the context of the current validation
>+   * @return true if it's OK else false
>+   */
>+  boolean validate(String constraint,String name, int severity, String message, EObject object, DiagnosticChain theDiagnostics, Map<Object, Object> context);
>+}

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Attachments on bug 255786: 118244 | 118245 | 118338 | 123880 | 123881 | 123883 | 123885 | 126724 | 126725 | 126726 | 126727 | 126729 | 146761 | 146762 | 146778 | 146787 | 147341 | 147449 | 147455 | 147479