Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / util / ComposedTGValueModifier.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ComposedTGValueModifier.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ComposedTGValueModifier.java
new file mode 100644 (file)
index 0000000..933fcfe
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ComposedTGValueModifier.java
@@ -0,0 +1,36 @@
+package org.simantics.db.layer0.util;\r
+\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public class ComposedTGValueModifier implements TGValueModifier {\r
+\r
+       final TGValueModifier[] modifiers;\r
+       \r
+       public ComposedTGValueModifier(TGValueModifier[] modifiers) {\r
+               this.modifiers = modifiers;\r
+       }\r
+       \r
+       @Override\r
+       public boolean mayNeedModification(Datatype type) throws DatabaseException {\r
+               for(TGValueModifier mod : modifiers)\r
+                       if(mod.mayNeedModification(type))\r
+                               return true;\r
+               return false;\r
+       }\r
+\r
+       @Override\r
+       public Object modify(final DomainProcessorState state, Binding binding, Object value) throws DatabaseException {\r
+\r
+               Datatype type = binding.type();\r
+               \r
+               for(TGValueModifier mod : modifiers)\r
+                       if(mod.mayNeedModification(type))\r
+                               value = mod.modify(state, binding, value);\r
+               \r
+               return value;\r
+               \r
+       }\r
+\r
+}\r