Next round of checkstyle fixes in yang-parser-impl

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / ChildSchemaNodes.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/ChildSchemaNodes.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/ChildSchemaNodes.java
index b9761b1a913edcd5d27ec64751a4c399de42e637..0abfdbfdba271472164dbffc8d5aca4f4285e7d4 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/ChildSchemaNodes.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/ChildSchemaNodes.java
@@ -7,17 +7,67 @@
  */
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
 
+import java.util.Map;
+import javax.annotation.Nonnull;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
 
 /**
  * Statement local namespace, which holds direct schema node descendants.
- *
- * @param <D>
- * @param <E>
  */
-public interface ChildSchemaNodes<D extends DeclaredStatement<QName>,E extends EffectiveStatement<QName, D>> extends StatementNamespace<QName, D, E>{
+public class ChildSchemaNodes<D extends DeclaredStatement<QName>, E extends EffectiveStatement<QName, D>>
+    extends NamespaceBehaviour<QName, StmtContext<?, D, E>, ChildSchemaNodes<D, E>>
+    implements StatementNamespace<QName, D, E> {
+
+    public ChildSchemaNodes() {
+        super((Class) ChildSchemaNodes.class);
+    }
+
+    @Override
+    public StmtContext<?, D, E> get(@Nonnull final QName key) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public StmtContext<?, D, E> getFrom(final NamespaceStorageNode storage, final QName key) {
+        return globalOrStatementSpecific(storage).getFromLocalStorage(getIdentifier(), key);
+    }
+
+    @Override
+    public Map<QName, StmtContext<?, D, E>> getAllFrom(final NamespaceStorageNode storage) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void addTo(final NamespaceStorageNode storage, final QName key, final StmtContext<?, D, E> value) {
+        final StmtContext<?, D, E> prev = globalOrStatementSpecific(storage).putToLocalStorageIfAbsent(
+            ChildSchemaNodes.class, key, value);
+
+        if (prev != null) {
+            throw new SourceException(value.getStatementSourceReference(),
+                "Error in module '%s': cannot add '%s'. Node name collision: '%s' already declared at %s",
+                value.getRoot().getStatementArgument(), key, prev.getStatementArgument(),
+                prev.getStatementSourceReference());
+        }
+    }
+
+    private static NamespaceStorageNode globalOrStatementSpecific(final NamespaceStorageNode storage) {
+        NamespaceStorageNode current = storage;
+        while (!isLocalOrGlobal(current.getStorageNodeType())) {
+            current = current.getParentNamespaceStorage();
+        }
+        return current;
+    }
 
+    private static boolean isLocalOrGlobal(final StorageNodeType type) {
+        return type == StorageNodeType.STATEMENT_LOCAL || type == StorageNodeType.GLOBAL;
+    }
 }