Cleanup yang-data-impl nullness annotations

[yangtools.git] / yang / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / schema / tree / InMemoryDataTreeCandidate.java

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTreeCandidate.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTreeCandidate.java
index 833269aa9a1c605d73b140bae553a5627e238a3b..c2f7d8ca96373015683a43b3af82b8c421cb42b2 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTreeCandidate.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTreeCandidate.java
@@ -1,98 +1,22 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
 package org.opendaylight.yangtools.yang.data.impl.schema.tree;
 
-
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.Iterables;
+import com.google.common.base.MoreObjects;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
 
 final class InMemoryDataTreeCandidate extends AbstractDataTreeCandidate {
-    private static abstract class AbstractNode implements DataTreeCandidateNode {
-        private final ModifiedNode mod;
-        private final TreeNode newMeta;
-        private final TreeNode oldMeta;
-
-        protected AbstractNode(final ModifiedNode mod,
-                final TreeNode oldMeta, final TreeNode newMeta) {
-            this.newMeta = newMeta;
-            this.oldMeta = oldMeta;
-            this.mod = Preconditions.checkNotNull(mod);
-        }
-
-        protected final ModifiedNode getMod() {
-            return mod;
-        }
-
-        protected final TreeNode getNewMeta() {
-            return newMeta;
-        }
-
-        protected final TreeNode getOldMeta() {
-            return oldMeta;
-        }
-
-        private static final TreeNode childMeta(final TreeNode parent, final PathArgument id) {
-            if (parent != null) {
-                return parent.getChild(id).orNull();
-            } else {
-                return null;
-            }
-        }
-
-        @Override
-        public Iterable<DataTreeCandidateNode> getChildNodes() {
-            return Iterables.transform(mod.getChildren(), new Function<ModifiedNode, DataTreeCandidateNode>() {
-                @Override
-                public DataTreeCandidateNode apply(final ModifiedNode input) {
-                    final PathArgument id = input.getIdentifier();
-                    return new ChildNode(input, childMeta(oldMeta, id), childMeta(newMeta, id));
-                }
-            });
-        }
-
-        @Override
-        public ModificationType getModificationType() {
-            return mod.getType();
-        }
-
-        private Optional<NormalizedNode<?, ?>> optionalData(final TreeNode meta) {
-            if (meta != null) {
-                return Optional.<NormalizedNode<?,?>>of(meta.getData());
-            } else {
-                return Optional.absent();
-            }
-        }
 
-        @Override
-        public Optional<NormalizedNode<?, ?>> getDataAfter() {
-            return optionalData(newMeta);
-        }
-
-        @Override
-        public Optional<NormalizedNode<?, ?>> getDataBefore() {
-            return optionalData(oldMeta);
-        }
-    }
-
-    private static final class ChildNode extends AbstractNode {
-        public ChildNode(final ModifiedNode mod, final TreeNode oldMeta, final TreeNode newMeta) {
-            super(mod, oldMeta, newMeta);
-        }
-
-        @Override
-        public PathArgument getIdentifier() {
-            return getMod().getIdentifier();
-        }
-    }
-
-    private static final class RootNode extends AbstractNode {
-        public RootNode(final ModifiedNode mod, final TreeNode oldMeta, final TreeNode newMeta) {
+    private static final class RootNode extends AbstractModifiedNodeBasedCandidateNode {
+        RootNode(final ModifiedNode mod, final TreeNode oldMeta, final TreeNode newMeta) {
             super(mod, oldMeta, newMeta);
         }
 
@@ -110,7 +34,8 @@ final class InMemoryDataTreeCandidate extends AbstractDataTreeCandidate {
         this.root = new RootNode(modificationRoot, beforeRoot, afterRoot);
     }
 
-    TreeNode getAfterRoot() {
+    @Override
+    protected TreeNode getTipRoot() {
         return root.getNewMeta();
     }
 
@@ -122,4 +47,10 @@ final class InMemoryDataTreeCandidate extends AbstractDataTreeCandidate {
     public DataTreeCandidateNode getRootNode() {
         return root;
     }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this).add("rootPath", getRootPath())
+                .add("rootNode", getRootNode()).toString();
+    }
 }