X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.datatypes%2Fsrc%2Forg%2Fsimantics%2Fdatatypes%2Futils%2FBTree.java;fp=bundles%2Forg.simantics.datatypes%2Fsrc%2Forg%2Fsimantics%2Fdatatypes%2Futils%2FBTree.java;h=1c1445a8602d521d33a302d30fdc632cb9c3502b;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

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
index 000000000..1c1445a86
--- /dev/null
+++ b/bundles/org.simantics.datatypes/src/org/simantics/datatypes/utils/BTree.java
@@ -0,0 +1,69 @@
+package org.simantics.datatypes.utils;
+
+import java.util.List;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.binding.mutable.Variant;
+import org.simantics.datatypes.DatatypeResource;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.scl.runtime.tuple.Tuple2;
+
+public class BTree {
+	
+	final private BTreeUtils utils;
+	
+	public BTree(WriteGraph graph, int t, Resource ownerRelation) throws DatabaseException {
+		this(graph, t, ownerRelation, false);
+	}
+	
+	public BTree(WriteGraph graph, int t, Resource ownerRelation, boolean cached) throws DatabaseException {
+		utils = BTreeUtils.create(graph, ownerRelation, t, cached);
+	}
+	
+	public BTree(WriteGraph graph, int t, Resource type, Resource nodeType, Resource ownerRelation, boolean cached) throws DatabaseException {
+		utils = BTreeUtils.create(graph, type, nodeType, ownerRelation, t, cached);
+	}
+
+	public BTree(ReadGraph graph, Resource tree) throws DatabaseException {
+		this(graph, tree, false);
+	}
+	
+	public BTree(ReadGraph graph, Resource tree, boolean cached) throws DatabaseException {
+		DatatypeResource DATA = DatatypeResource.getInstance(graph);
+		int t = graph.getRelatedValue(tree, DATA.BTree_t, Bindings.INTEGER);
+		Resource ownerRelation = graph.getPossibleObject(tree, DATA.BTree_HasOwnerRelation);
+		Resource nodeType = graph.getPossibleObject(tree, DATA.BTree_HasNodeType);
+		utils = new BTreeUtils(graph, tree, t, nodeType, ownerRelation, cached);
+	}
+	
+	public void flushCachedBTree(WriteGraph graph) throws DatabaseException {
+		utils.flushCache(graph);
+	}
+	
+	public Resource rootOfBTree() {
+		return utils.getTree();
+	}
+	
+	public void insertBTree(WriteGraph graph, Variant key, Resource value) throws DatabaseException {
+		utils.insert(graph, key, value);
+	}
+	
+	public Resource searchBTree(ReadGraph graph, Variant key) throws DatabaseException {
+		return utils.search(graph, key);
+	}
+
+	public void removeBTree(WriteGraph graph, Variant key) throws DatabaseException {
+		utils.remove(graph, key);
+	}
+	
+	public List<Tuple2> entriesOfBTree(ReadGraph graph) throws DatabaseException {
+		return utils.entries(graph);
+	}
+	
+	public List<Tuple2> searchRangeBTree(ReadGraph graph, Variant min, Variant max) throws DatabaseException {
+		return utils.searchRange(graph, min, max);
+	}
+}