X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprocessor%2FMergingWriteOnlyProcessor.java;h=b29765ba101ceb6a231e17d8a2751e911e7f286f;hb=25e3207c8a1aad3cbe72202750f67f0483ccb1a2;hp=6c6883dea955ddbf3c8fb50d11912d31cbe50a0c;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/processor/MergingWriteOnlyProcessor.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/processor/MergingWriteOnlyProcessor.java
index 6c6883dea..b29765ba1 100644
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/processor/MergingWriteOnlyProcessor.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/processor/MergingWriteOnlyProcessor.java
@@ -1,107 +1,107 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * 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
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.db.common.processor;
-
-import java.util.concurrent.ConcurrentLinkedQueue;
-
-import org.simantics.db.AsyncRequestProcessor;
-import org.simantics.db.VirtualGraph;
-import org.simantics.db.WriteOnlyGraph;
-import org.simantics.db.common.request.WriteOnlyRequest;
-import org.simantics.db.common.utils.Logger;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.request.WriteOnly;
-
-final public class MergingWriteOnlyProcessor extends ProcessorBase {
-
-    final long transactionKeepalivePeriod;
-    final ConcurrentLinkedQueue<WriteOnly> queue = new ConcurrentLinkedQueue<WriteOnly>(); 
-    final private AsyncRequestProcessor processor;
-    final private VirtualGraph vg;
-
-    boolean hasAlreadyRequest = false;
-
-    public MergingWriteOnlyProcessor(AsyncRequestProcessor processor, VirtualGraph vg, long transactionKeepalivePeriod) {
-        this.processor = processor;
-        this.vg = vg;
-        this.transactionKeepalivePeriod = transactionKeepalivePeriod;
-    }
-
-    class MergedWrite extends WriteOnlyRequest {
-
-    	public MergedWrite(VirtualGraph vg) {
-    		super(vg);
-		}
-    	
-        @Override
-        public void perform(WriteOnlyGraph graph) throws DatabaseException {
-
-//            System.out.println("MergedWrite begins");
-
-            while (true) {
-                
-                WriteOnly next = queue.poll();
-                if(next == null) {
-                    synchronized (MergingWriteOnlyProcessor.this) {
-                        if (transactionKeepalivePeriod > 0) {
-                            try {
-                                MergingWriteOnlyProcessor.this.wait(transactionKeepalivePeriod);
-                            } catch (InterruptedException e) {
-                	    		Logger.defaultLogError(e);
-                            }
-                            next = queue.poll();
-                        }
-                        if(next == null) {
-                            hasAlreadyRequest = false;
-//                            System.out.println("MergedWrite ends");
-                            return;
-                        }
-                    }
-                }
-
-//                System.out.println("MergedWrite executes " + next);
-                try {
-                	next.perform(graph);
-                } catch(Throwable t) {
-    	    		Logger.defaultLogError(t);
-                }
-
-            }
-
-        }
-
-    }
-
-    @Override
-    public void asyncRequest(WriteOnly request) {
-        
-        queue.add(request);
-
-        synchronized (this) {
-        
-          if (!hasAlreadyRequest) {
-              processor.asyncRequest(new MergedWrite(vg));
-              hasAlreadyRequest = true;
-          } else {
-              notify();
-          }
-          
-        }
-
-    }
-
-    @Override
-    public String toString() {
-        return "MergingWriteOnlyProcessor@" + System.identityHashCode(this) + " (based on " + processor + ")";
-    }
-
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.common.processor;
+
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+import org.simantics.db.AsyncRequestProcessor;
+import org.simantics.db.VirtualGraph;
+import org.simantics.db.WriteOnlyGraph;
+import org.simantics.db.common.request.WriteOnlyRequest;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.WriteOnly;
+
+final public class MergingWriteOnlyProcessor extends ProcessorBase {
+
+    final long transactionKeepalivePeriod;
+    final ConcurrentLinkedQueue<WriteOnly> queue = new ConcurrentLinkedQueue<WriteOnly>(); 
+    final private AsyncRequestProcessor processor;
+    final private VirtualGraph vg;
+
+    boolean hasAlreadyRequest = false;
+
+    public MergingWriteOnlyProcessor(AsyncRequestProcessor processor, VirtualGraph vg, long transactionKeepalivePeriod) {
+        this.processor = processor;
+        this.vg = vg;
+        this.transactionKeepalivePeriod = transactionKeepalivePeriod;
+    }
+
+    class MergedWrite extends WriteOnlyRequest {
+
+    	public MergedWrite(VirtualGraph vg) {
+    		super(vg);
+		}
+    	
+        @Override
+        public void perform(WriteOnlyGraph graph) throws DatabaseException {
+
+//            System.out.println("MergedWrite begins");
+
+            while (true) {
+                
+                WriteOnly next = queue.poll();
+                if(next == null) {
+                    synchronized (MergingWriteOnlyProcessor.this) {
+                        if (transactionKeepalivePeriod > 0) {
+                            try {
+                                MergingWriteOnlyProcessor.this.wait(transactionKeepalivePeriod);
+                            } catch (InterruptedException e) {
+                	    		Logger.defaultLogError(e);
+                            }
+                            next = queue.poll();
+                        }
+                        if(next == null) {
+                            hasAlreadyRequest = false;
+//                            System.out.println("MergedWrite ends");
+                            return;
+                        }
+                    }
+                }
+
+//                System.out.println("MergedWrite executes " + next);
+                try {
+                	next.perform(graph);
+                } catch(Throwable t) {
+    	    		Logger.defaultLogError(t);
+                }
+
+            }
+
+        }
+
+    }
+
+    @Override
+    public void asyncRequest(WriteOnly request) {
+        
+        queue.add(request);
+
+        synchronized (this) {
+        
+          if (!hasAlreadyRequest) {
+              processor.asyncRequest(new MergedWrite(vg));
+              hasAlreadyRequest = true;
+          } else {
+              notify();
+          }
+          
+        }
+
+    }
+
+    @Override
+    public String toString() {
+        return "MergingWriteOnlyProcessor@" + System.identityHashCode(this) + " (based on " + processor + ")";
+    }
+
+}