X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fdiagram%2Fhandler%2Fimpl%2FLockingTransactionContext.java;h=37a517426be0987f77d16ccf2646b9ad1a97b393;hp=a42fdf01b8870df315f14c8a4a56e868ba9b8682;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/impl/LockingTransactionContext.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/impl/LockingTransactionContext.java
index a42fdf01b..37a517426 100644
--- a/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/impl/LockingTransactionContext.java
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/impl/LockingTransactionContext.java
@@ -1,133 +1,133 @@
-/*******************************************************************************
- * 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.g2d.diagram.handler.impl;
-
-import java.util.Collection;
-import java.util.concurrent.locks.ReadWriteLock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-
-import org.simantics.g2d.diagram.IDiagram;
-import org.simantics.g2d.diagram.handler.LifeCycle;
-import org.simantics.g2d.diagram.handler.TransactionContext;
-import org.simantics.g2d.element.IElement;
-import org.simantics.utils.datastructures.ListenerList;
-import org.simantics.utils.datastructures.hints.IHintContext.Key;
-import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
-
-/**
- * @author Tuukka Lehtonen
- */
-public class LockingTransactionContext implements TransactionContext, LifeCycle {
-
-    public static final LockingTransactionContext INSTANCE = new LockingTransactionContext();
-
-    private static final Key TRANSACTION_LISTENERS = new KeyOf(ListenerList.class, "TRANSACTION LISTENERS");
-    private static final Key TRANSACTION_LOCK      = new KeyOf(ReadWriteLock.class, "TRANSACTION LOCK");
-
-    @Override
-    public void onDiagramCreated(IDiagram diagram) {
-        diagram.setHint(TRANSACTION_LISTENERS, new ListenerList<TransactionListener>(TransactionListener.class));
-        diagram.setHint(TRANSACTION_LOCK, new ReentrantReadWriteLock(true));
-    }
-
-    @Override
-    public void onDiagramLoaded(IDiagram diagram, Collection<IElement> initialElements) {
-    }
-
-    @Override
-    public void onDiagramDestroyed(IDiagram diagram) {
-    }
-
-    @Override
-    public void onDiagramDisposed(IDiagram diagram) {
-        diagram.removeHint(TRANSACTION_LISTENERS);
-        diagram.removeHint(TRANSACTION_LOCK);
-    }
-
-    @Override
-    public void addTransactionListener(IDiagram d, TransactionListener l) {
-        ListenerList<TransactionListener> ll;
-        synchronized (d) {
-            ll = d.getHint(TRANSACTION_LISTENERS);
-            if (ll == null) {
-                ll = new ListenerList<TransactionListener>(TransactionListener.class);
-                d.setHint(TRANSACTION_LISTENERS, ll);
-            }
-        }
-        ll.add(l);
-    }
-
-    @Override
-    public void removeTransactionListener(IDiagram d, TransactionListener l) {
-        synchronized (d) {
-            ListenerList<TransactionListener> ll = d.getHint(TRANSACTION_LISTENERS);
-            if (ll == null)
-                return;
-            ll.remove(l);
-        }
-    }
-
-    void lock(ReadWriteLock lock, TransactionType type) {
-        switch (type) {
-            case READ:
-                lock.readLock().lock();
-                return;
-            case WRITE:
-                lock.writeLock().lock();
-                return;
-        }
-    }
-
-    void unlock(ReadWriteLock lock, TransactionType type) {
-        switch (type) {
-            case READ:
-                lock.readLock().unlock();
-                return;
-            case WRITE:
-                lock.writeLock().unlock();
-                return;
-        }
-    }
-
-    @Override
-    public Transaction startTransaction(IDiagram d, TransactionType type) {
-        ReadWriteLock lock = d.getHint(TRANSACTION_LOCK);
-        assert lock != null;
-        lock(lock, type);
-        try {
-            Transaction t = new Transaction.Impl(type);
-            ListenerList<TransactionListener> ll = d.getHint(TRANSACTION_LISTENERS);
-            if (ll != null)
-                for (TransactionListener l : ll.getListeners())
-                    l.transactionStarted(d, t);
-            return t;
-        } catch (RuntimeException e) {
-            unlock(lock, type);
-            throw e;
-        }
-    }
-
-    @Override
-    public void finishTransaction(IDiagram d, Transaction t) {
-        ReadWriteLock lock = d.getHint(TRANSACTION_LOCK);
-        assert lock != null;
-        try {
-            ListenerList<TransactionListener> ll = d.getHint(TRANSACTION_LISTENERS);
-            if (ll != null)
-                for (TransactionListener l : ll.getListeners())
-                    l.transactionFinished(d, t);
-        } finally {
-            unlock(lock, t.getType());
-        }
-    }
-
-}
+/*******************************************************************************
+ * 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.g2d.diagram.handler.impl;
+
+import java.util.Collection;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.diagram.handler.LifeCycle;
+import org.simantics.g2d.diagram.handler.TransactionContext;
+import org.simantics.g2d.element.IElement;
+import org.simantics.utils.datastructures.ListenerList;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class LockingTransactionContext implements TransactionContext, LifeCycle {
+
+    public static final LockingTransactionContext INSTANCE = new LockingTransactionContext();
+
+    private static final Key TRANSACTION_LISTENERS = new KeyOf(ListenerList.class, "TRANSACTION LISTENERS");
+    private static final Key TRANSACTION_LOCK      = new KeyOf(ReadWriteLock.class, "TRANSACTION LOCK");
+
+    @Override
+    public void onDiagramCreated(IDiagram diagram) {
+        diagram.setHint(TRANSACTION_LISTENERS, new ListenerList<TransactionListener>(TransactionListener.class));
+        diagram.setHint(TRANSACTION_LOCK, new ReentrantReadWriteLock(true));
+    }
+
+    @Override
+    public void onDiagramLoaded(IDiagram diagram, Collection<IElement> initialElements) {
+    }
+
+    @Override
+    public void onDiagramDestroyed(IDiagram diagram) {
+    }
+
+    @Override
+    public void onDiagramDisposed(IDiagram diagram) {
+        diagram.removeHint(TRANSACTION_LISTENERS);
+        diagram.removeHint(TRANSACTION_LOCK);
+    }
+
+    @Override
+    public void addTransactionListener(IDiagram d, TransactionListener l) {
+        ListenerList<TransactionListener> ll;
+        synchronized (d) {
+            ll = d.getHint(TRANSACTION_LISTENERS);
+            if (ll == null) {
+                ll = new ListenerList<TransactionListener>(TransactionListener.class);
+                d.setHint(TRANSACTION_LISTENERS, ll);
+            }
+        }
+        ll.add(l);
+    }
+
+    @Override
+    public void removeTransactionListener(IDiagram d, TransactionListener l) {
+        synchronized (d) {
+            ListenerList<TransactionListener> ll = d.getHint(TRANSACTION_LISTENERS);
+            if (ll == null)
+                return;
+            ll.remove(l);
+        }
+    }
+
+    void lock(ReadWriteLock lock, TransactionType type) {
+        switch (type) {
+            case READ:
+                lock.readLock().lock();
+                return;
+            case WRITE:
+                lock.writeLock().lock();
+                return;
+        }
+    }
+
+    void unlock(ReadWriteLock lock, TransactionType type) {
+        switch (type) {
+            case READ:
+                lock.readLock().unlock();
+                return;
+            case WRITE:
+                lock.writeLock().unlock();
+                return;
+        }
+    }
+
+    @Override
+    public Transaction startTransaction(IDiagram d, TransactionType type) {
+        ReadWriteLock lock = d.getHint(TRANSACTION_LOCK);
+        assert lock != null;
+        lock(lock, type);
+        try {
+            Transaction t = new Transaction.Impl(type);
+            ListenerList<TransactionListener> ll = d.getHint(TRANSACTION_LISTENERS);
+            if (ll != null)
+                for (TransactionListener l : ll.getListeners())
+                    l.transactionStarted(d, t);
+            return t;
+        } catch (RuntimeException e) {
+            unlock(lock, type);
+            throw e;
+        }
+    }
+
+    @Override
+    public void finishTransaction(IDiagram d, Transaction t) {
+        ReadWriteLock lock = d.getHint(TRANSACTION_LOCK);
+        assert lock != null;
+        try {
+            ListenerList<TransactionListener> ll = d.getHint(TRANSACTION_LISTENERS);
+            if (ll != null)
+                for (TransactionListener l : ll.getListeners())
+                    l.transactionFinished(d, t);
+        } finally {
+            unlock(lock, t.getType());
+        }
+    }
+
+}