X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprocedure%2Fsingle%2Fwrapper%2FNullSingleOrExceptionProcedure.java;h=183859340a532f81facf26988a519973dd36e4be;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=55b2e3369220cc3f089d4e7b3078abc87a075f3e;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrExceptionProcedure.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrExceptionProcedure.java
index 55b2e3369..183859340 100644
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrExceptionProcedure.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/NullSingleOrExceptionProcedure.java
@@ -1,85 +1,85 @@
-/*******************************************************************************
- * 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.procedure.single.wrapper;
-
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import org.simantics.db.AsyncReadGraph;
-import org.simantics.db.common.utils.Logger;
-import org.simantics.db.exception.NoSingleResultException;
-import org.simantics.db.procedure.AsyncProcedure;
-
-final public class NullSingleOrExceptionProcedure<Result> {
-
-	private Result result = null;
-	final AsyncProcedure<Result> procedure;
-	final AtomicBoolean done = new AtomicBoolean(false);
-	final AtomicBoolean found = new AtomicBoolean(false);
-	final AtomicInteger ready = new AtomicInteger(1);
-
-	public NullSingleOrExceptionProcedure(AsyncProcedure<Result> procedure) {
-
-		this.procedure = procedure;
-
-	}
-
-	public void inc() {
-
-		ready.incrementAndGet();
-
-	}
-
-	public void dec(AsyncReadGraph graph) {
-
-		if(ready.decrementAndGet() == 0) {
-			// Shall fire exactly once!
-			if(done.compareAndSet(false, true)) {
-				try {
-					procedure.execute(graph, result);
-				} catch (Throwable t) {
-		    		Logger.defaultLogError(t);
-				}
-			}
-		}
-
-	}
-
-	public void offer(AsyncReadGraph graph, Result result) {
-
-		if(found.compareAndSet(false, true)) {
-			this.result = result;
-		} else {
-			// Shall fire exactly once!
-			if(done.compareAndSet(false, true)) {
-				try {
-					procedure.exception(graph, new NoSingleResultException(procedure.toString()));
-				} catch (Throwable t) {
-		    		Logger.defaultLogError(t);
-				}
-			}
-		}
-
-	}
-
-	public void exception(AsyncReadGraph graph, Throwable t) {
-		// Shall fire exactly once!
-		if(done.compareAndSet(false, true)) {
-			try {
-				procedure.exception(graph, t);
-			} catch (Throwable t2) {
-	    		Logger.defaultLogError(t2);
-			}
-		}
-	}
-
-}
+/*******************************************************************************
+ * 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.procedure.single.wrapper;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.NoSingleResultException;
+import org.simantics.db.procedure.AsyncProcedure;
+
+final public class NullSingleOrExceptionProcedure<Result> {
+
+	private Result result = null;
+	final AsyncProcedure<Result> procedure;
+	final AtomicBoolean done = new AtomicBoolean(false);
+	final AtomicBoolean found = new AtomicBoolean(false);
+	final AtomicInteger ready = new AtomicInteger(1);
+
+	public NullSingleOrExceptionProcedure(AsyncProcedure<Result> procedure) {
+
+		this.procedure = procedure;
+
+	}
+
+	public void inc() {
+
+		ready.incrementAndGet();
+
+	}
+
+	public void dec(AsyncReadGraph graph) {
+
+		if(ready.decrementAndGet() == 0) {
+			// Shall fire exactly once!
+			if(done.compareAndSet(false, true)) {
+				try {
+					procedure.execute(graph, result);
+				} catch (Throwable t) {
+		    		Logger.defaultLogError(t);
+				}
+			}
+		}
+
+	}
+
+	public void offer(AsyncReadGraph graph, Result result) {
+
+		if(found.compareAndSet(false, true)) {
+			this.result = result;
+		} else {
+			// Shall fire exactly once!
+			if(done.compareAndSet(false, true)) {
+				try {
+					procedure.exception(graph, new NoSingleResultException(procedure.toString()));
+				} catch (Throwable t) {
+		    		Logger.defaultLogError(t);
+				}
+			}
+		}
+
+	}
+
+	public void exception(AsyncReadGraph graph, Throwable t) {
+		// Shall fire exactly once!
+		if(done.compareAndSet(false, true)) {
+			try {
+				procedure.exception(graph, t);
+			} catch (Throwable t2) {
+	    		Logger.defaultLogError(t2);
+			}
+		}
+	}
+
+}