improve BPM engine Interface Signed-off-by: Ralf Mollik <ramollik@compex-commerce.com>

diff --git a/org.eclipse.osbp.bpm.api.feature/feature.xml b/org.eclipse.osbp.bpm.api.feature/feature.xml
index f79af98..09807e8 100644
--- a/org.eclipse.osbp.bpm.api.feature/feature.xml
+++ b/org.eclipse.osbp.bpm.api.feature/feature.xml

@@ -17,7 +17,7 @@
         label="%featureName"
         version="0.9.0.qualifier"
         provider-name="%providerName"
-		plugin="org.eclipse.osbp.bpm.api">
+		plugin="org.eclipse.osbp.license">
         
     <description>
         %description

diff --git a/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMEngine.java b/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMEngine.java
index 400d97f..969f40d 100644
--- a/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMEngine.java
+++ b/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMEngine.java

@@ -14,16 +14,84 @@
  */
 package org.eclipse.osbp.bpm.api;
 
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import org.eclipse.osbp.ui.api.useraccess.IBlipProcessPermissions;
-
 public interface IBPMEngine {
-	void clearErrors();
-	String getErrors();
-	boolean registerProcess(IBlipBPMStartInfo startInfo, String resourceBundlePath, Class<?> bundleClass, IBlipProcessPermissions blipProcessPermissions);
-	void startProcess(IBlipBPMStartInfo bpm, Map <String, Object> parameters); 
+	static final String BPM_HUMANTASK_LOCALE = "en-US";
+	
+	enum BPMResultSeverity {
+		ERROR, WARNING, INFO;
+	}
+	class BPMError {
+		private String resource;
+		private BPMResultSeverity severity;
+		private String message;
+		private int[] lines;
+		
+		public BPMError(String resource, int [] lines, int severity, String message) {
+			this.resource = resource;
+			this.lines = lines;
+			this.severity = BPMResultSeverity.values()[severity];
+			this.message = message;
+		}
+		
+		public BPMResultSeverity getSeverity() {
+			return severity;
+		}
+		
+		public String getMessage() {
+			return message; 
+		}
+		
+		public int[] getLines() {
+			return lines;
+		}
+		
+		public String getResource() {
+			return resource;
+		}
+		
+		@Override
+		public boolean equals(Object obj) {
+			if(this == obj) {
+				return true;
+			}
+			BPMError bpme = (BPMError)obj; 
+			if(this.message.equals(bpme.getMessage()) &&
+				this.resource.equals(bpme.getResource()) &&
+				this.severity.equals(bpme.getSeverity()) &&
+				this.lines.length == bpme.getLines().length) {
+					return true;
+			}
+			return false;
+		}
+		
+		public String toString() {
+			StringBuilder sb = new StringBuilder();
+			sb.append(severity.toString());
+			sb.append(" in ");
+			sb.append(resource);
+			sb.append("\n");
+			if(lines.length > 0 && (lines.length != 1 || lines[0] != -1)) {
+				sb.append("in line ");
+				for(int i=0; i<lines.length; i++) {
+					sb.append(String.format("%d ", lines[i]));
+				}
+				sb.append("\n");
+			}
+			sb.append("\n");
+			sb.append(message);
+			return sb.toString();
+		}
+	}
+	void registerProcess(String processId);
+	boolean processHasErrors();
+	List<BPMError> getKnowledgeBuilderErrors();
+	void startProcess(String processId); 
+	void signalEvent(String type, Object event);
+	void signalEvent(String type, Object event, long processInstanceId);
 	String getResourceName(String processId);
 	void initBPMUsers();
 	Set<String> getGroups();
@@ -65,13 +133,15 @@
 	 * @param   value                   new values of the variable
 	 */
 	void setProcessVariable(Object processInstanceObject, String variable, Object value);
-	void disposeKsession(Object ksession);
+	
+	void setProcessMetadata(Object processInstanceObject, String variable, Object value);	
+
+	Object getProcessMetadata(Object processInstanceObject, String variable);
+	
 	Object reCreateKnowledgeSession(Object taskInformationObject);
 	void beginTransaction();
 	void commitTransaction();
 	void rollbackTransaction();
 	Object getVariable(Object kcontext, String variable, Object defaultValue);
 	void setVariable(Object kcontext, String variable, Object value);
-	void registerBlipFunctionProvider(IBlipBPMFunctionProvider blipFunctionProvider);
-	void unregisterBlipFunctionProvider(IBlipBPMFunctionProvider blipFunctionProvider);
 }

diff --git a/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMTaskClient.java b/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMTaskClient.java
index 1ae65c6..f7f7582 100644
--- a/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMTaskClient.java
+++ b/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBPMTaskClient.java

@@ -33,6 +33,7 @@
 	void unsubscribeTaskEventNotification(BPMTaskEventType type, IBPMTaskEventNotification notification);
 	IDto getWorkloadDto(Object taskInformationObject);
 	String getWorkloadDtoFqn(Object taskInformationObject);
+	void setWorkloadDtoFqn(Object taskInformationObject, String workloadDtoFqn);
 	void setWorkloadDto(Object taskInformationObject, IDto workloadDto);
 	String getProcessId(BPMTaskSummary taskSummary);
 	void registerPerspectiveListener(BPMTaskClientPerspectiveListener listener);

diff --git a/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBlipBPMFunctionProvider.java b/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBlipBPMFunctionProvider.java
index 919f30c..a5441b5 100644
--- a/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBlipBPMFunctionProvider.java
+++ b/org.eclipse.osbp.bpm.api/src/org/eclipse/osbp/bpm/api/IBlipBPMFunctionProvider.java

@@ -19,7 +19,5 @@
 
 public interface IBlipBPMFunctionProvider extends IBlipBPMConstants {
 	Map<String, IBlipBPMStartInfo> getBpmns();
-	void startProcess(String processName);
-	void startProcess(String processName, Map<String, Object> map);
 	public IBlipBPMStartInfo getStartInfo(BPMTaskSummary taskSummary);
 }