Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.datatypes / src / org / simantics / datatypes / utils / BTree.java

diff --git a/bundles/org.simantics.datatypes/src/org/simantics/datatypes/utils/BTree.java b/bundles/org.simantics.datatypes/src/org/simantics/datatypes/utils/BTree.java
new file mode 100644 (file)
index 0000000..1c1445a
--- /dev/null
+++ b/bundles/org.simantics.datatypes/src/org/simantics/datatypes/utils/BTree.java
@@ -0,0 +1,69 @@
+package org.simantics.datatypes.utils;\r
+\r
+import java.util.List;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.binding.mutable.Variant;\r
+import org.simantics.datatypes.DatatypeResource;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.scl.runtime.tuple.Tuple2;\r
+\r
+public class BTree {\r
+       \r
+       final private BTreeUtils utils;\r
+       \r
+       public BTree(WriteGraph graph, int t, Resource ownerRelation) throws DatabaseException {\r
+               this(graph, t, ownerRelation, false);\r
+       }\r
+       \r
+       public BTree(WriteGraph graph, int t, Resource ownerRelation, boolean cached) throws DatabaseException {\r
+               utils = BTreeUtils.create(graph, ownerRelation, t, cached);\r
+       }\r
+       \r
+       public BTree(WriteGraph graph, int t, Resource type, Resource nodeType, Resource ownerRelation, boolean cached) throws DatabaseException {\r
+               utils = BTreeUtils.create(graph, type, nodeType, ownerRelation, t, cached);\r
+       }\r
+\r
+       public BTree(ReadGraph graph, Resource tree) throws DatabaseException {\r
+               this(graph, tree, false);\r
+       }\r
+       \r
+       public BTree(ReadGraph graph, Resource tree, boolean cached) throws DatabaseException {\r
+               DatatypeResource DATA = DatatypeResource.getInstance(graph);\r
+               int t = graph.getRelatedValue(tree, DATA.BTree_t, Bindings.INTEGER);\r
+               Resource ownerRelation = graph.getPossibleObject(tree, DATA.BTree_HasOwnerRelation);\r
+               Resource nodeType = graph.getPossibleObject(tree, DATA.BTree_HasNodeType);\r
+               utils = new BTreeUtils(graph, tree, t, nodeType, ownerRelation, cached);\r
+       }\r
+       \r
+       public void flushCachedBTree(WriteGraph graph) throws DatabaseException {\r
+               utils.flushCache(graph);\r
+       }\r
+       \r
+       public Resource rootOfBTree() {\r
+               return utils.getTree();\r
+       }\r
+       \r
+       public void insertBTree(WriteGraph graph, Variant key, Resource value) throws DatabaseException {\r
+               utils.insert(graph, key, value);\r
+       }\r
+       \r
+       public Resource searchBTree(ReadGraph graph, Variant key) throws DatabaseException {\r
+               return utils.search(graph, key);\r
+       }\r
+\r
+       public void removeBTree(WriteGraph graph, Variant key) throws DatabaseException {\r
+               utils.remove(graph, key);\r
+       }\r
+       \r
+       public List<Tuple2> entriesOfBTree(ReadGraph graph) throws DatabaseException {\r
+               return utils.entries(graph);\r
+       }\r
+       \r
+       public List<Tuple2> searchRangeBTree(ReadGraph graph, Variant min, Variant max) throws DatabaseException {\r
+               return utils.searchRange(graph, min, max);\r
+       }\r
+}\r