RIMDslJavaValidator.java

/*
* generated by Xtext
*/
package com.temenos.interaction.rimdsl.validation;

import javax.inject.Inject;

import org.eclipse.xtext.naming.IQualifiedNameProvider;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.resource.IEObjectDescription;
import org.eclipse.xtext.resource.IResourceDescriptions;
import org.eclipse.xtext.resource.impl.ResourceDescriptionsProvider;
import org.eclipse.xtext.validation.Check;
import org.eclipse.xtext.validation.CheckType;
import org.eclipse.xtext.xbase.lib.IterableExtensions;

import com.temenos.interaction.rimdsl.rim.RimPackage;

/**
 * Custom validation rules. 
 *
 * see http://www.eclipse.org/Xtext/documentation.html#validation
 */
public class RIMDslJavaValidator extends com.temenos.interaction.rimdsl.validation.AbstractRIMDslJavaValidator {

	@Inject
    private ResourceDescriptionsProvider resourceDescriptionsProvider;
    
	@Inject
	private IQualifiedNameProvider qualifiedNameProvider;
    
    @Check(CheckType.NORMAL) 
    public void checkDuplicateState(com.temenos.interaction.rimdsl.rim.State state) {
    	QualifiedName qfn = qualifiedNameProvider.getFullyQualifiedName(state); 
        IResourceDescriptions resourceDescriptions = resourceDescriptionsProvider.getResourceDescriptions(state.eResource());
        Iterable<IEObjectDescription> objects = resourceDescriptions.getExportedObjects(RimPackage.Literals.STATE, qfn, true);
        if (IterableExtensions.size(objects) > 1) {
        	error("A RIM state with the same name already exists", RimPackage.Literals.STATE__NAME);
        }
    }
    
    @Check(CheckType.NORMAL) 
    public void checkDuplicateCommand(com.temenos.interaction.rimdsl.rim.Command command) {
    	QualifiedName qfn = qualifiedNameProvider.getFullyQualifiedName(command); 
        IResourceDescriptions resourceDescriptions = resourceDescriptionsProvider.getResourceDescriptions(command.eResource());
        Iterable<IEObjectDescription> objects = resourceDescriptions.getExportedObjects(RimPackage.Literals.COMMAND, qfn, true);
        if (IterableExtensions.size(objects) > 1) {
        	error("A RIM command with the same name already exists", RimPackage.Literals.COMMAND__NAME);
        }
    }
    
    @Check(CheckType.NORMAL) 
    public void checkDuplicateEvent(com.temenos.interaction.rimdsl.rim.Event event) {
    	QualifiedName qfn = qualifiedNameProvider.getFullyQualifiedName(event); 
        IResourceDescriptions resourceDescriptions = resourceDescriptionsProvider.getResourceDescriptions(event.eResource());
        Iterable<IEObjectDescription> objects = resourceDescriptions.getExportedObjects(RimPackage.Literals.EVENT, qfn, true);
        if (IterableExtensions.size(objects) > 1) {
        	error("A RIM event with the same name already exists", RimPackage.Literals.EVENT__NAME);
        }
    }
    
    @Check(CheckType.NORMAL) 
    public void checkDuplicateRelation(com.temenos.interaction.rimdsl.rim.Relation relation) {
    	QualifiedName qfn = qualifiedNameProvider.getFullyQualifiedName(relation); 
        IResourceDescriptions resourceDescriptions = resourceDescriptionsProvider.getResourceDescriptions(relation.eResource());
        Iterable<IEObjectDescription> objects = resourceDescriptions.getExportedObjects(RimPackage.Literals.RELATION, qfn, true);
        if (IterableExtensions.size(objects) > 1) {
        	error("A RIM relation with the same name already exists", RimPackage.Literals.RELATION__NAME);
        }
    }

}