QueryListening sync is slow

[simantics/platform.git] / bundles / org.simantics.db.impl / src / org / simantics / db / impl / query / TaskList.java

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/TaskList.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/TaskList.java
new file mode 100644 (file)
index 0000000..7734bae
--- /dev/null
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/TaskList.java
@@ -0,0 +1,24 @@
+package org.simantics.db.impl.query;
+
+import java.util.ArrayList;
+
+class TaskList extends ArrayList<Runnable> {
+
+       private static final long serialVersionUID = -8047504882681478972L;
+
+       private int maxSize;
+
+       TaskList(int maxSize) {
+               this.maxSize = maxSize;
+       }
+
+       boolean shouldSchedule() {
+               return size() == maxSize;
+       }
+
+       void reset() {
+               clear();
+               maxSize = 1;
+       }
+
+}
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