Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.history / examples / org / simantics / history / examples / CollectorExample2.java

diff --git a/bundles/org.simantics.history/examples/org/simantics/history/examples/CollectorExample2.java b/bundles/org.simantics.history/examples/org/simantics/history/examples/CollectorExample2.java
new file mode 100644 (file)
index 0000000..52a2d9b
--- /dev/null
+++ b/bundles/org.simantics.history/examples/org/simantics/history/examples/CollectorExample2.java
@@ -0,0 +1,86 @@
+package org.simantics.history.examples;\r
+\r
+import java.util.UUID;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.Datatypes;\r
+import org.simantics.databoard.accessor.StreamAccessor;\r
+import org.simantics.databoard.accessor.error.AccessorException;\r
+import org.simantics.databoard.binding.RecordBinding;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.type.RecordType;\r
+import org.simantics.databoard.util.Bean;\r
+import org.simantics.history.Collector;\r
+import org.simantics.history.History;\r
+import org.simantics.history.HistoryAndCollectorItem;\r
+import org.simantics.history.HistoryException;\r
+import org.simantics.history.HistoryItem;\r
+import org.simantics.history.HistoryManager;\r
+import org.simantics.history.impl.FlushPolicy;\r
+\r
+public class CollectorExample2 {\r
+\r
+       public static void main(String[] args) throws HistoryException, BindingException, AccessorException {\r
+               \r
+               /// Example2: Record variable "MyVariable" to two history  \r
+               ///           items "MyVariable-interval=0.5" and "MyVariable-deadband=5"\r
+               \r
+               // Create History Manager\r
+               HistoryManager history = History.createMemoryHistory();\r
+               \r
+               // Create a sample format\r
+               RecordType sampleFormat = new RecordType();\r
+               sampleFormat.addComponent("time", Datatypes.DOUBLE );\r
+               sampleFormat.addComponent("value", Datatypes.DOUBLE );\r
+               sampleFormat.addComponent("quality", Datatypes.BYTE );\r
+               \r
+               // Create two History Item and Collector Item configurations\r
+               HistoryAndCollectorItem i1 = new HistoryAndCollectorItem();\r
+               i1.id = "MyVariable-interval=0.5";\r
+               i1.format = sampleFormat;\r
+               i1.interval = 0.5;\r
+               i1.variableId = "MyVariable";\r
+               \r
+               HistoryAndCollectorItem i2 = new HistoryAndCollectorItem();\r
+               i2.id = "MyVariable-deadband=5";\r
+               i2.format = sampleFormat;\r
+               i2.deadband = 5.0;\r
+               i2.variableId = "MyVariable";\r
+\r
+               // Create the item in the history\r
+               history.create( i1, i2 );\r
+\r
+               /// Prepare Collector\r
+               Collector collector = History.createCollector(history, FlushPolicy.NoFlush);\r
+               \r
+               // Initialize Collector (Items)\r
+               collector.addItem( i1 );\r
+               collector.addItem( i2 );\r
+               \r
+               try {\r
+                       // Simulate 100 steps\r
+                       for ( int i = 0; i<100; i++ ) {\r
+                               \r
+                               // Our "simulation" results \r
+                               double time = i * 0.1;\r
+                               double myItemValue = -20 + i*0.1;\r
+                               \r
+                               // Begin collector writing step\r
+                               collector.beginStep(Bindings.DOUBLE, time);\r
+                               \r
+                               // Enter values for one variable. \r
+                               collector.setValue("MyVariable", Bindings.DOUBLE, myItemValue);\r
+                               \r
+                               // End collector step - MyVariable is written to two HistoryItems\r
+                               collector.endStep();\r
+                       }\r
+                       \r
+               } finally {\r
+                       // Flush values\r
+                       collector.flush();\r
+                       collector.close();\r
+               }\r
+                               \r
+       }\r
+\r
+}\r