1 files changed, 24 insertions, 0 deletions
diff --git a/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/predicates/NotPredicate.java b/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/predicates/NotPredicate.java
new file mode 100644
index 000000000000..3d28a635e3af
--- /dev/null
+++ b/platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/predicates/NotPredicate.java
@@ -0,0 +1,24 @@
+package com.intellij.structuralsearch.impl.matcher.predicates;
+
+import com.intellij.psi.PsiElement;
+import com.intellij.structuralsearch.impl.matcher.MatchContext;
+import com.intellij.structuralsearch.impl.matcher.handlers.MatchPredicate;
+
+/**
+ * Negates predicate
+ */
+public final class NotPredicate extends MatchPredicate {
+  private final MatchPredicate handler;
+
+  public NotPredicate(final MatchPredicate _handler) {
+    handler = _handler;
+  }
+
+  public boolean match(PsiElement patternNode, PsiElement matchedNode, MatchContext context) {
+    return !handler.match(patternNode,matchedNode,context);
+  }
+
+  public MatchPredicate getHandler() {
+    return handler;
+  }
+}