BUG-4803: introduce unordered offset maps

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

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/nodes/AbstractImmutableDataContainerNode.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/nodes/AbstractImmutableDataContainerNode.java
index 438b05c7da3af2bab1424fba7e56b00c80a007e7..ea6e954da79685bb471d5bde4ae39750d08ffe1f 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/nodes/AbstractImmutableDataContainerNode.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/nodes/AbstractImmutableDataContainerNode.java
@@ -7,27 +7,25 @@
  */
 package org.opendaylight.yangtools.yang.data.impl.schema.nodes;
 
-import java.util.Collections;
+import com.google.common.base.Optional;
+import java.util.Collection;
 import java.util.Map;
-
 import org.opendaylight.yangtools.concepts.Immutable;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.util.ImmutableOffsetMap;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
 
-import com.google.common.base.Optional;
-import com.google.common.collect.Iterables;
-
-public abstract class AbstractImmutableDataContainerNode<K extends PathArgument> //
-        extends AbstractImmutableNormalizedNode<K, Iterable<DataContainerChild<? extends PathArgument, ?>>> //
+public abstract class AbstractImmutableDataContainerNode<K extends PathArgument>
+        extends AbstractImmutableNormalizedNode<K, Collection<DataContainerChild<? extends PathArgument, ?>>>
         implements Immutable, DataContainerNode<K> {
-
-    protected final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> children;
+    private final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> children;
 
     public AbstractImmutableDataContainerNode(
             final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> children, final K nodeIdentifier) {
         super(nodeIdentifier);
-        this.children = children;
+
+        this.children = ImmutableOffsetMap.unorderedCopyOf(children);
     }
 
     @Override
@@ -36,8 +34,8 @@ public abstract class AbstractImmutableDataContainerNode<K extends PathArgument>
     }
 
     @Override
-    public final Iterable<DataContainerChild<? extends PathArgument, ?>> getValue() {
-        return Iterables.unmodifiableIterable(children.values());
+    public final Collection<DataContainerChild<? extends PathArgument, ?>> getValue() {
+        return children.values();
     }
 
     @Override
@@ -45,9 +43,17 @@ public abstract class AbstractImmutableDataContainerNode<K extends PathArgument>
         return children.hashCode();
     }
 
+    /**
+     * DO NOT USE THIS METHOD.
+     *
+     * This is an implementation-internal API and no outside users should use it. If you do,
+     * you are asking for trouble, as the returned object is not guaranteed to conform to
+     * java.util.Map interface.
+     *
+     * @return An unmodifiable view if this node's children.
+     */
     public final Map<PathArgument, DataContainerChild<? extends PathArgument, ?>> getChildren() {
-        // Make sure we do not leak a mutable view
-        return Collections.unmodifiableMap(children);
+        return children;
     }
 
     @Override