]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.acorn/src/org/simantics/acorn/GraphClientImpl2.java
Make Write-interfaces as @FunctionalInterface for lambdas
[simantics/platform.git] / bundles / org.simantics.acorn / src / org / simantics / acorn / GraphClientImpl2.java
index 05f9c8de00b66c315f9a6c5317026f28c0c664cb..904427b6d617f6682c78547db1dde17a419dff48 100644 (file)
@@ -21,6 +21,7 @@ import java.util.concurrent.Semaphore;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.TimeUnit;
 
+import org.simantics.acorn.MainProgram.MainProgramRunnable;
 import org.simantics.acorn.exception.AcornAccessVerificationException;
 import org.simantics.acorn.exception.IllegalAcornStateException;
 import org.simantics.acorn.internal.ClusterChange;
@@ -86,6 +87,7 @@ public class GraphClientImpl2 implements Database.Session {
            load();
            ClusterSetsSupport cssi = locator.getService(ClusterSetsSupport.class); 
            cssi.setReadDirectory(clusters.lastSessionDirectory);
+           cssi.updateWriteDirectory(clusters.workingDirectory);
            mainProgram = new MainProgram(this, clusters);
            executor.execute(mainProgram);
        }
@@ -122,10 +124,10 @@ public class GraphClientImpl2 implements Database.Session {
                                                mainProgram.mutex.release();
                                        }
                                } catch (IllegalAcornStateException | ProCoreException e) {
-                                       Logger.defaultLogError(e);
+                                       Logger.defaultLogError("Snapshotting failed", e);
                                        unexpectedClose = true;
                                } catch (InterruptedException e) {
-                                       Logger.defaultLogError(e);
+                                       Logger.defaultLogError("Snapshotting interrupted", e);
                                } finally {
                                        try {
                                                if(tr != null)
@@ -135,11 +137,11 @@ public class GraphClientImpl2 implements Database.Session {
                            try {
                                support.close();
                            } catch (DatabaseException e1) {
-                               Logger.defaultLogError(e1);
+                               Logger.defaultLogError("Failed to close database as a safety measure due to failed snapshotting", e1);
                            }
                                                }
                                        } catch (ProCoreException e) {
-                                               Logger.defaultLogError(e);
+                                               Logger.defaultLogError("Failed to end snapshotting write transaction", e);
                                        }
                                }
                        }
@@ -239,18 +241,17 @@ public class GraphClientImpl2 implements Database.Session {
 
        @Override
        public long cancelCommit(long transactionId, long changeSetId, byte[] metadata, OnChangeSetUpdate onChangeSetUpdate) throws ProCoreException {
-           UnsupportedOperationException e = new UnsupportedOperationException("org.simantics.acorn.GraphClientImpl2.cancelCommit() is not supported operation! Closing down to prevent further havoc");
-           clusters.notSafeToMakeSnapshot(new IllegalAcornStateException(e));
-           throw e;
-//         System.err.println("GraphClientImpl2.cancelCommit() called!! this is experimental and might cause havoc!");
-//         try {
-//            undo(new long[] {changeSetId}, onChangeSetUpdate);
-//        } catch (SDBException e) {
-//            e.printStackTrace();
-//            throw new ProCoreException(e);
-//        }
-//         clusters.state.headChangeSetId++;
-//         return clusters.state.headChangeSetId;
+               // Accept and finalize current transaction and then undo it
+               acceptCommit(transactionId, changeSetId, metadata);
+
+               try {
+                       undo(new long[] {changeSetId+1}, onChangeSetUpdate);
+                       clusters.state.headChangeSetId++;
+                       return clusters.state.headChangeSetId;
+               } catch (SDBException e) {
+                       Logger.defaultLogError("Failed to undo cancelled transaction", e);
+                       throw new ProCoreException(e);
+               }
        }
 
        @Override
@@ -604,89 +605,111 @@ public class GraphClientImpl2 implements Database.Session {
                        clusters.clusterLRU.releaseMutex();
                }
        }
-       
+
        @Override
        public boolean undo(long[] changeSetIds, OnChangeSetUpdate onChangeSetUpdate) throws SDBException {
-           try {
-               final ArrayList<Pair<ClusterUID, byte[]>> clusterChanges = new ArrayList<Pair<ClusterUID, byte[]>>();
-               
-               UndoClusterSupport support = new UndoClusterSupport(clusters);
-               
-               final int changeSetId = clusters.state.headChangeSetId;
-               
-               if(ClusterUpdateProcessorBase.DEBUG)
-                       System.err.println(" === BEGIN UNDO ===");
-               
-               for(int i=0;i<changeSetIds.length;i++) {
-                       final long id = changeSetIds[changeSetIds.length-1-i];
-                       ArrayList<String> ccss = clusters.getChanges(id);
-    
-                       for(int j=0;j<ccss.size();j++) {
-                               try {
-                                       if(ClusterUpdateProcessorBase.DEBUG)
-                                               System.err.println("performUndo " + ccss.get(ccss.size()-j-1));
-                                       performUndo(ccss.get(ccss.size()-j-1), clusterChanges, support);
-                               } catch (DatabaseException e) {
-                                       e.printStackTrace();
-                               }
-                       }
-               }
-    
-               if(ClusterUpdateProcessorBase.DEBUG)
-                       System.err.println(" === END UNDO ===");
-    
-               for(int i=0;i<clusterChanges.size();i++) {
-                       
-                       final int changeSetIndex = i;
-                       
-                       final Pair<ClusterUID, byte[]> pair = clusterChanges.get(i);
-                       
-                       final ClusterUID cuid = pair.first;
-                       final byte[] data = pair.second;
-    
-                       onChangeSetUpdate.onChangeSetUpdate(new ChangeSetUpdate() {
-    
-                               @Override
-                               public long getChangeSetId() {
-                                       return changeSetId;
-                               }
-    
-                               @Override
-                               public int getChangeSetIndex() {
-                                       return 0;
-                               }
-    
-                               @Override
-                               public int getNumberOfClusterChangeSets() {
-                                       return clusterChanges.size();
-                               }
-    
-                               @Override
-                               public int getIndexOfClusterChangeSet() {
-                                       return changeSetIndex;
-                               }
-    
-                               @Override
-                               public byte[] getClusterId() {
-                                       return cuid.asBytes();
-                               }
-    
-                               @Override
-                               public boolean getNewCluster() {
-                                       return false;
-                               }
-    
-                               @Override
-                               public byte[] getData() {
-                                       return data;
-                               }
-    
-                       });
-               }
-        } catch (AcornAccessVerificationException | IllegalAcornStateException e1) {
-            throw new ProCoreException(e1);
-        }
+
+               Exception exception = mainProgram.runIdle(new MainProgramRunnable() {
+
+                       @Override
+                       public void run() throws Exception {
+
+                               try {
+
+                               final ArrayList<Pair<ClusterUID, byte[]>> clusterChanges = new ArrayList<Pair<ClusterUID, byte[]>>();
+                               
+                               UndoClusterSupport support = new UndoClusterSupport(clusters);
+                               
+                               final int changeSetId = clusters.state.headChangeSetId;
+                               
+                               if(ClusterUpdateProcessorBase.DEBUG)
+                                       System.err.println(" === BEGIN UNDO ===");
+                               
+                               for(int i=0;i<changeSetIds.length;i++) {
+                                       final long id = changeSetIds[changeSetIds.length-1-i];
+                                       ArrayList<String> ccss = clusters.getChanges(id);
+                   
+                                       for(int j=0;j<ccss.size();j++) {
+                                               String ccsid = ccss.get(ccss.size()-j-1);
+                                               try {
+                                                       if(ClusterUpdateProcessorBase.DEBUG)
+                                                               System.err.println("performUndo " + ccsid);
+                                                       performUndo(ccsid, clusterChanges, support);
+                                               } catch (DatabaseException e) {
+                                                       e.printStackTrace();
+                                               }
+                                       }
+                               }
+                   
+                               if(ClusterUpdateProcessorBase.DEBUG)
+                                       System.err.println(" === END UNDO ===");
+                   
+                               for(int i=0;i<clusterChanges.size();i++) {
+                                       
+                                       final int changeSetIndex = i;
+                                       
+                                       final Pair<ClusterUID, byte[]> pair = clusterChanges.get(i);
+                                       
+                                       final ClusterUID cuid = pair.first;
+                                       final byte[] data = pair.second;
+                   
+                                       onChangeSetUpdate.onChangeSetUpdate(new ChangeSetUpdate() {
+                   
+                                               @Override
+                                               public long getChangeSetId() {
+                                                       return changeSetId;
+                                               }
+                   
+                                               @Override
+                                               public int getChangeSetIndex() {
+                                                       return 0;
+                                               }
+                   
+                                               @Override
+                                               public int getNumberOfClusterChangeSets() {
+                                                       return clusterChanges.size();
+                                               }
+                   
+                                               @Override
+                                               public int getIndexOfClusterChangeSet() {
+                                                       return changeSetIndex;
+                                               }
+                   
+                                               @Override
+                                               public byte[] getClusterId() {
+                                                       return cuid.asBytes();
+                                               }
+                   
+                                               @Override
+                                               public boolean getNewCluster() {
+                                                       return false;
+                                               }
+                   
+                                               @Override
+                                               public byte[] getData() {
+                                                       return data;
+                                               }
+                   
+                                       });
+                               }
+                       } catch (AcornAccessVerificationException | IllegalAcornStateException e1) {
+                           throw new ProCoreException(e1);
+                       }
+
+                       }
+
+                       @Override
+                       public void done() {
+
+                       }
+
+               });
+
+               if(exception instanceof SDBException) throw (SDBException)exception;
+               else if(exception != null) throw new IllegalAcornStateException(exception);
+               
                return false;
+               
        }
        
        public ServiceLocator getServiceLocator() {