Cleanup: remove redundant casts

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / reactor / StatementContextBase.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java
index f9247a475316d882302fe5e2a2931072b784cbcf..ef7338c7565d0e1832f9d0edb40dc65d04ccc44d 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java
@@ -128,6 +128,10 @@ public abstract class StatementContextBase<A, D extends DeclaredStatement<A>, E
 
     @Override
     public void addAsEffectOfStatement(final Collection<StatementContextBase<?, ?, ?>> ctxs) {
+        if (ctxs.isEmpty()) {
+            return;
+        }
+
         if (effectOfStatement.isEmpty()) {
             effectOfStatement = new ArrayList<>(ctxs.size());
         }
@@ -319,6 +323,10 @@ public abstract class StatementContextBase<A, D extends DeclaredStatement<A>, E
      *             if statement parameter is null
      */
     public void addEffectiveSubstatements(final Collection<StatementContextBase<?, ?, ?>> substatements) {
+        if (substatements.isEmpty()) {
+            return;
+        }
+
         substatements.forEach(Preconditions::checkNotNull);
         beforeAddEffectiveStatement(substatements.size());
         effective.addAll(substatements);
@@ -663,7 +671,7 @@ public abstract class StatementContextBase<A, D extends DeclaredStatement<A>, E
     @Override
     public <K, KT extends K, N extends StatementNamespace<K, ?, ?>> void addContext(final Class<N> namespace, final KT key,
             final StmtContext<?, ?, ?> stmt) {
-        addContextToNamespace(namespace, (K) key, stmt);
+        addContextToNamespace(namespace, key, stmt);
     }
 
     @Override