--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
+ * 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.history.util.subscription;\r
+\r
+import java.util.Collection;\r
+import java.util.Iterator;\r
+\r
+import org.simantics.databoard.annotations.Identifier;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.databoard.util.Bean;\r
+\r
+/**\r
+ * (Utility Class) Item format for HistoryManager, Collector, and meta-data for Simantics subscription configurations.\r
+ * \r
+ * The items objects the HistoryManager and Collector uses are complete meta-data\r
+ * descriptions. Different formats are supported and the content is written to disc\r
+ * completely as is. \r
+ * \r
+ * The "id" is composed with the following aggregation: [subscriptionId] [variableId] [formatId].\r
+ * \r
+ * @author toni.kalajainen\r
+ */\r
+public class SubscriptionItem extends Bean {\r
+\r
+ /**\r
+ * Create HistoryItem descriptions for collecting one variable with multiple\r
+ * sampling formats.\r
+ * \r
+ * @param item\r
+ * the item to use as a template for the created sampled items\r
+ * @param groupItemId\r
+ * the group item id to use with\r
+ * {@link #composeItemName(String, String, String)}\r
+ * @param groupId\r
+ * the group id to use with\r
+ * {@link #composeItemName(String, String, String)}\r
+ * @param formats\r
+ * the sampling formats to create\r
+ * @return an array of history items\r
+ */\r
+ public static SubscriptionItem[] createItems(\r
+ SubscriptionItem item,\r
+ String groupItemId,\r
+ String groupId,\r
+ Collection<SamplingFormat> formats) {\r
+ Iterator<SamplingFormat> itr = formats.iterator();\r
+ SubscriptionItem[] items = new SubscriptionItem[ formats.size() ];\r
+ for (int i=0; i<formats.size(); i++) {\r
+ items[i] = createItem( item, groupItemId, groupId, itr.next() );\r
+ }\r
+ return items;\r
+ }\r
+\r
+ /**\r
+ * Create HistoryItem descriptions for collecting one variable with multiple\r
+ * sampling formats.\r
+ * \r
+ * @param variableId\r
+ * @param subscriptionId\r
+ * @param formats\r
+ * @return an array of history items\r
+ */\r
+ public static SubscriptionItem[] createItems(\r
+ String variableId,\r
+ String subscriptionId,\r
+ SamplingFormat...formats\r
+ ) {\r
+ SubscriptionItem[] items = new SubscriptionItem[ formats.length ];\r
+ for (int i=0; i<formats.length; i++) {\r
+ items[i] = createItem( variableId, subscriptionId, formats[i] );\r
+ }\r
+ return items;\r
+ }\r
+ \r
+ /**\r
+ * Create HistoryItem descriptions for collecting one variable with multiple\r
+ * sampling formats.\r
+ * \r
+ * @param groupItemId\r
+ * @param groupId\r
+ * @param formats\r
+ * @return an array of history items\r
+ */\r
+ public static SubscriptionItem[] createItems(\r
+ String groupItemId,\r
+ String groupId,\r
+ Collection<SamplingFormat> formats) {\r
+ Iterator<SamplingFormat> itr = formats.iterator();\r
+ SubscriptionItem[] items = new SubscriptionItem[ formats.size() ];\r
+ for (int i=0; i<formats.size(); i++) {\r
+ items[i] = createItem( groupItemId, groupId, itr.next() );\r
+ }\r
+ return items;\r
+ }\r
+\r
+ /**\r
+ * Create HistoryItem description for collecting one variable with one\r
+ * sampling format.\r
+ * \r
+ * @param item\r
+ * the subscription item to clone values from\r
+ * @param groupItemId\r
+ * the group item id to use with\r
+ * {@link #composeItemName(String, String, String)}\r
+ * @param groupId\r
+ * the group id to use with\r
+ * {@link #composeItemName(String, String, String)}\r
+ * @param format\r
+ * @return HistoryItem description.\r
+ */\r
+ public static SubscriptionItem createItem(\r
+ SubscriptionItem item,\r
+ String groupItemId,\r
+ String groupId,\r
+ SamplingFormat format\r
+ ) {\r
+ SubscriptionItem hi = new SubscriptionItem();\r
+ hi.variableId = item.variableId;\r
+ hi.groupItemId = item.groupItemId;\r
+ hi.id = composeItemName(groupId, groupItemId, format.formatId);\r
+ hi.deadband = format.deadband;\r
+ hi.interval = format.interval;\r
+ hi.gain = item.gain;\r
+ hi.bias = item.bias;\r
+ hi.formatId = format.formatId;\r
+ hi.format = format.format;\r
+ hi.groupId = item.groupId;\r
+ hi.enabled = item.enabled;\r
+ return hi;\r
+ }\r
+\r
+ /**\r
+ * Create HistoryItem description for collecting one variable with one\r
+ * sampling format. \r
+ * \r
+ * @param groupItemId\r
+ * the group item id to use with\r
+ * {@link #composeItemName(String, String, String)}\r
+ * @param groupId\r
+ * the group id to use with\r
+ * {@link #composeItemName(String, String, String)}\r
+ * @param format\r
+ * @return HistoryItem description.\r
+ */\r
+ public static SubscriptionItem createItem(\r
+ String groupItemId,\r
+ String groupId,\r
+ SamplingFormat format\r
+ ) {\r
+ SubscriptionItem hi = new SubscriptionItem();\r
+ hi.variableId = groupItemId;\r
+ hi.groupItemId = groupItemId;\r
+ hi.id = composeItemName(groupId, groupItemId, format.formatId);\r
+ hi.deadband = format.deadband;\r
+ hi.interval = format.interval;\r
+ hi.formatId = format.formatId;\r
+ hi.format = format.format;\r
+ hi.groupId = groupId;\r
+ hi.enabled = true;\r
+ return hi;\r
+ }\r
+\r
+ public static String composeItemName(String groupId, String groupItemId, String formatId)\r
+ {\r
+ return groupId+" "+groupItemId+" "+formatId;\r
+ }\r
+\r
+ /** Item identifier in the HistoryManager */\r
+ public @Identifier String id;\r
+ \r
+ /** Variable Id, Reference of variable in Datasource. This field is used by Collector */\r
+ public String variableId;\r
+ \r
+ /** \r
+ * Describes the format of the packed sample. The sample must be a record.\r
+ * The record must have any combination of the following named fields.\r
+ * The field types must one of: byte, integer, long, float, double.\r
+ * \r
+ * time, endTime, value - are mandatory fields.\r
+ * \r
+ * time - Region start time, the time of the 1st sample included into the band\r
+ * endTime - Region end time, the time of the last sample included into the band\r
+ * \r
+ * value - First value in the band\r
+ * lastValue - Last value in the band\r
+ * avg - Average value of all included samples\r
+ * median - Median value of all samples in the band\r
+ * min - Lowest value in the band\r
+ * max - Highest value in the band\r
+ * \r
+ * quality - 0 = Good, -1 = No value\r
+ * count - The number of included samples in the band\r
+ */\r
+ public Datatype format;\r
+ \r
+ // Subscription parameters\r
+ public double deadband = Double.NaN;\r
+ public double interval = Double.NaN;\r
+ public double gain = 1.0;\r
+ public double bias = 0.0;\r
+ public boolean enabled = true;\r
+\r
+ /** Identifier of group or subscription, used by Simantics */\r
+ public String groupId = "";\r
+ \r
+ /** Identifier of the item in the group, used by Simantics */\r
+ public String groupItemId = "";\r
+ \r
+ /** Identifier of the sample format description, used by Simantics */\r
+ public String formatId = "";\r
+\r
+}\r