X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fcontainer%2FDataContainer.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fcontainer%2FDataContainer.java;h=bf080e46bf0bf0d4eb0fd32f44b0a58df7f01ceb;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/container/DataContainer.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/container/DataContainer.java
new file mode 100644
index 000000000..bf080e46b
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/container/DataContainer.java
@@ -0,0 +1,50 @@
+package org.simantics.databoard.container;
+
+import java.util.TreeMap;
+
+import org.simantics.databoard.binding.mutable.Variant;
+
+/**
+ * This is a container format primarly for encoding data to file system.
+ * It adds to the actual data encoded as a variant some metadata, format
+ * name and version information.
+ * @author Hannu Niemistö
+ */
+public class DataContainer {
+    /**
+     * Format name that tells how the data is used. 
+     * Applications use format name to decide if the file can 
+     * be used for the operation the user requested.
+     */
+    public String format;
+    /**
+     * Version number of the content format. Increased every
+     * time the data type or the interpretation of the data
+     * changes.
+     */
+    public int version;
+    /**
+     * May contain arbitrary metadata about the data such as
+     * author, export data etc.
+     */
+    public TreeMap<String, Variant> metadata;
+    /**
+     * The actual data content.
+     */
+    public Variant content;
+    
+    public DataContainer() {
+    }
+    
+    public DataContainer(String format, int version,
+            TreeMap<String, Variant> metadata, Variant content) {
+        this.format = format;
+        this.version = version;
+        this.metadata = metadata;
+        this.content = content;
+    }
+    
+    public DataContainer(String format, int version, Variant content) {
+        this(format, version, new TreeMap<String,Variant>(), content);
+    }
+}