X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FValueUpdateSet.java;fp=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FValueUpdateSet.java;h=8e7144f4df144f991c9b6036fe4c9505a9ea325d;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/ValueUpdateSet.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/ValueUpdateSet.java
new file mode 100644
index 000000000..8e7144f4d
--- /dev/null
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/ValueUpdateSet.java
@@ -0,0 +1,51 @@
+package org.simantics.db.impl.query;
+
+import gnu.trove.procedure.TIntProcedure;
+import gnu.trove.set.hash.TIntHashSet;
+
+final public class ValueUpdateSet {
+
+	private int first = 0;
+	public TIntHashSet rest = new TIntHashSet();
+	
+	public int size() {
+		if(first != 0) return 1;
+		else return rest.size();
+	}
+	
+	public int getFirst() {
+		return first;
+	}
+	
+	public void add(int l) {
+		if(first == 0) {
+			if(rest.isEmpty()) {
+				first = l;
+			} else {
+				rest.add(l);
+			}
+		} else {
+			if(l == first) return;
+			rest.add(first);
+			rest.add(l);
+			first = 0;
+		}
+	}
+	
+	public void clear() {
+		first = 0;
+		if(!rest.isEmpty()) {
+			rest = new TIntHashSet();
+			//System.err.println("new rest!");
+		}
+	}
+	
+	public void forEach(TIntProcedure proc) {
+		if(first != 0) {
+			proc.execute(first);
+		} else {
+			rest.forEach(proc);
+		}
+	}
+	
+}