From b58db2f76a10bae96a7b54cb105ce1d052d0cf7f Mon Sep 17 00:00:00 2001
From: Rodolfo Totaro <rodolfo_totaro@yahoo.it>
Date: Sat, 14 Jan 2017 13:28:18 +0100
Subject: [PATCH] #190 In progress TqCL - syntax (insert) and library services

---
 .../commands/validation/TqclValidator.java    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/org.eclipse.triquetrum.commands.xtext/src/main/java/org/eclipse/triquetrum/commands/validation/TqclValidator.java b/org.eclipse.triquetrum.commands.xtext/src/main/java/org/eclipse/triquetrum/commands/validation/TqclValidator.java
index c78db9ce..2c14c821 100644
--- a/org.eclipse.triquetrum.commands.xtext/src/main/java/org/eclipse/triquetrum/commands/validation/TqclValidator.java
+++ b/org.eclipse.triquetrum.commands.xtext/src/main/java/org/eclipse/triquetrum/commands/validation/TqclValidator.java
@@ -18,6 +18,7 @@
 import java.util.Set;
 
 import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.common.util.TreeIterator;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.triquetrum.commands.api.TqCLServices;
 import org.eclipse.triquetrum.commands.api.services.EntityDescriptor;
@@ -29,6 +30,7 @@
 import org.eclipse.triquetrum.commands.tqcl.Library;
 import org.eclipse.triquetrum.commands.tqcl.Parameter;
 import org.eclipse.triquetrum.commands.tqcl.TqclPackage;
+import org.eclipse.xtext.EcoreUtil2;
 import org.eclipse.xtext.validation.Check;
 
 /**
@@ -44,6 +46,8 @@ public class TqclValidator extends AbstractTqclValidator {
 	public static final String INVALID_LIBRARY = "invalidLibrary";
 
 	public static final String INVALID_PARAMETER = "invalidParameter";
+	
+	public static final String DUPLICATED_ENTITY_NAME = "invalidParameter";
 
 	@Check
 	public void checkLibrary(Library library) {
@@ -72,6 +76,27 @@ public void checkEntityInLibrary(Insert insert) {
 		String message = MessageFormat.format("Entity class {0} not found in imported library", entityClass);
 		error(message, TqclPackage.Literals.INSERT__ENTITY_CLASS, INVALID_ENTITY_CLASS);
 	}
+	@Check
+	public void checkNameUnique(Insert insert)
+	{
+		String name = insert.getName();
+		EObject rootContainer = EcoreUtil2.getRootContainer(insert);
+		TreeIterator<EObject> eAllContents = rootContainer.eAllContents();
+		while (eAllContents.hasNext()) {
+			EObject eObject = (EObject) eAllContents.next();
+			if (eObject instanceof Insert) {
+				Insert otherInsert = (Insert) eObject;
+				if(otherInsert!=insert)
+				{
+					if(otherInsert.getName().equals(name))
+					{
+						error("Duplicated entity name", TqclPackage.Literals.INSERT__NAME,DUPLICATED_ENTITY_NAME);
+					}
+				}
+				
+			}
+		}
+	}
 
 	private String cleanEntityClassName(String entityClass) {
 		return entityClass.substring(1, entityClass.lastIndexOf('>'));