Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.server / src / org / simantics / db / server / protocol / AbstractFunction.java

diff --git a/bundles/org.simantics.db.server/src/org/simantics/db/server/protocol/AbstractFunction.java b/bundles/org.simantics.db.server/src/org/simantics/db/server/protocol/AbstractFunction.java
new file mode 100644 (file)
index 0000000..e214f4f
--- /dev/null
+++ b/bundles/org.simantics.db.server/src/org/simantics/db/server/protocol/AbstractFunction.java
@@ -0,0 +1,66 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.server.protocol;\r
+\r
+\r
+public abstract class AbstractFunction extends AbstractMessage {\r
+    private int token = 0;\r
+    void setToken(int token) {\r
+        this.token = token;\r
+    }\r
+    int getToken() {\r
+        return token;\r
+    }\r
+    AbstractFunction(int requestNumber, int responseNumber) {\r
+        super(requestNumber, responseNumber);\r
+    }\r
+    AbstractFunction(int requestNumber, int responseNumber, DataBuffer buffer) {\r
+        super(requestNumber, responseNumber, buffer);\r
+    }\r
+    @Override\r
+    boolean isEvent() {\r
+        return false;\r
+    }\r
+    @Override\r
+    String getExceptionText() {\r
+        String t = super.getExceptionText();\r
+        if (t != null)\r
+            return super.getExceptionText();\r
+        else if (notRightDataForUs())\r
+            return "Response type does not match.";\r
+        return null;\r
+    }\r
+    public boolean hasException() { // Used by return handler.\r
+        return notRightDataForUs() || super.getExceptionText() != null;\r
+    }\r
+    boolean notRightDataForUs() {\r
+        return receivedNumber != responseNumber;\r
+    }\r
+    void prepareForSendingRequest() {\r
+        receivedNumber = 0;\r
+        responsePending = true;\r
+        super.setExceptionText(null);\r
+    }\r
+    boolean hasResponsePending() {\r
+        return hasResponse() && responsePending;\r
+    }\r
+    synchronized void gotResponse() {\r
+        responsePending = false;\r
+        this.notify();\r
+    }\r
+//    synchronized void waitForResponse(Connection connection, long waitMs) throws SessionException {\r
+//        String string = "AbstractFunction.waitForResponse";\r
+//        if (DebugPolicy.REPORT_TIME_CONSUMING_FUNCTIONS)\r
+//            string += "token=" + token + ", returnHandler=" + returnHandler;\r
+//        DebugPolicy.wait(waitMs, this, string);\r
+//    }\r
+}\r