Split out yang-data-spi

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

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/builder/impl/ImmutableUnkeyedListNodeBuilder.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/builder/impl/ImmutableUnkeyedListNodeBuilder.java
index 498b65824599fcf0c48ea91d6f9544a357402c70..e6ae5a9ea438d97f06c8843694b3ef9467c619ce 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/builder/impl/ImmutableUnkeyedListNodeBuilder.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/builder/impl/ImmutableUnkeyedListNodeBuilder.java
@@ -7,27 +7,25 @@
  */
 package org.opendaylight.yangtools.yang.data.impl.schema.builder.impl;
 
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
+import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
-
-import org.opendaylight.yangtools.concepts.Immutable;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
-import org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableNormalizedNode;
-
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Iterables;
+import org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableNormalizedValueNode;
+import org.opendaylight.yangtools.yang.data.spi.node.AbstractNormalizedNode;
 
 public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> {
-
     private List<UnkeyedListEntryNode> value;
-    private InstanceIdentifier.NodeIdentifier nodeIdentifier;
-    private boolean dirty = false;
+    private NodeIdentifier nodeIdentifier;
+    private boolean dirty;
 
     protected ImmutableUnkeyedListNodeBuilder() {
         this.value = new LinkedList<>();
@@ -36,8 +34,9 @@ public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<Un
 
     protected ImmutableUnkeyedListNodeBuilder(final ImmutableUnkeyedListNode node) {
         this.nodeIdentifier = node.getIdentifier();
+        // FIXME: clean this up, notably reuse unmodified lists
         this.value = new LinkedList<>();
-        Iterables.addAll(value, node.getValue());
+        Iterables.addAll(value, node.body());
         this.dirty = true;
     }
 
@@ -45,7 +44,12 @@ public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<Un
         return new ImmutableUnkeyedListNodeBuilder();
     }
 
-    public static CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> create(final UnkeyedListNode node) {
+    public static CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> create(final int sizeHint) {
+        return new ImmutableUnkeyedListNodeBuilder();
+    }
+
+    public static CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> create(
+            final UnkeyedListNode node) {
         if (!(node instanceof ImmutableUnkeyedListNode)) {
             throw new UnsupportedOperationException(String.format("Cannot initialize from class %s", node.getClass()));
         }
@@ -69,16 +73,17 @@ public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<Un
 
     @Override
     public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withoutChild(
-            final InstanceIdentifier.PathArgument key) {
+            final PathArgument key) {
         checkDirty();
         throw new UnsupportedOperationException("Children does not have identifiers.");
     }
 
     @Override
-    public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withValue(final List<UnkeyedListEntryNode> value) {
+    public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withValue(
+            final Collection<UnkeyedListEntryNode> withValue) {
         // TODO replace or putAll ?
-        for (final UnkeyedListEntryNode UnkeyedListEntryNode : value) {
-            withChild(UnkeyedListEntryNode);
+        for (final UnkeyedListEntryNode node : withValue) {
+            withChild(node);
         }
 
         return this;
@@ -86,14 +91,17 @@ public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<Un
 
     @Override
     public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withNodeIdentifier(
-            final InstanceIdentifier.NodeIdentifier nodeIdentifier) {
-        this.nodeIdentifier = nodeIdentifier;
+            final NodeIdentifier withNodeIdentifier) {
+        this.nodeIdentifier = withNodeIdentifier;
         return this;
     }
 
     @Override
     public UnkeyedListNode build() {
         dirty = true;
+        if (value.isEmpty()) {
+            return new EmptyImmutableUnkeyedListNode(nodeIdentifier);
+        }
         return new ImmutableUnkeyedListNode(nodeIdentifier, ImmutableList.copyOf(value));
     }
 
@@ -103,31 +111,59 @@ public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<Un
     }
 
     @Override
-    public NormalizedNodeContainerBuilder<NodeIdentifier, PathArgument, UnkeyedListEntryNode, UnkeyedListNode> removeChild(
-            final PathArgument key) {
+    public NormalizedNodeContainerBuilder<NodeIdentifier, PathArgument, UnkeyedListEntryNode, UnkeyedListNode>
+            removeChild(final PathArgument key) {
         return withoutChild(key);
     }
 
-    protected static final class ImmutableUnkeyedListNode extends
-            AbstractImmutableNormalizedNode<InstanceIdentifier.NodeIdentifier, Iterable<UnkeyedListEntryNode>>
-            implements Immutable, UnkeyedListNode {
+    protected static final class EmptyImmutableUnkeyedListNode
+            extends AbstractNormalizedNode<NodeIdentifier, UnkeyedListNode> implements UnkeyedListNode {
+        protected EmptyImmutableUnkeyedListNode(final NodeIdentifier nodeIdentifier) {
+            super(nodeIdentifier);
+        }
 
-        private final ImmutableList<UnkeyedListEntryNode> children;
+        @Override
+        public ImmutableList<UnkeyedListEntryNode> body() {
+            return ImmutableList.of();
+        }
 
-        ImmutableUnkeyedListNode(final InstanceIdentifier.NodeIdentifier nodeIdentifier,
-                final ImmutableList<UnkeyedListEntryNode> children) {
-            super(nodeIdentifier, children);
-            this.children = children;
+        @Override
+        public UnkeyedListEntryNode getChild(final int position) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        @Override
+        public int size() {
+            return 0;
+        }
+
+        @Override
+        protected Class<UnkeyedListNode> implementedType() {
+            return UnkeyedListNode.class;
         }
 
         @Override
         protected int valueHashCode() {
-            return children.hashCode();
+            return 1;
         }
 
         @Override
-        protected boolean valueEquals(final AbstractImmutableNormalizedNode<?, ?> other) {
-            return children.equals(((ImmutableUnkeyedListNode) other).children);
+        protected boolean valueEquals(final UnkeyedListNode other) {
+            return other.isEmpty();
+        }
+    }
+
+    protected static final class ImmutableUnkeyedListNode
+            extends AbstractImmutableNormalizedValueNode<NodeIdentifier, UnkeyedListNode,
+                Collection<@NonNull UnkeyedListEntryNode>>
+            implements UnkeyedListNode {
+
+        private final ImmutableList<UnkeyedListEntryNode> children;
+
+        ImmutableUnkeyedListNode(final NodeIdentifier nodeIdentifier,
+                final ImmutableList<UnkeyedListEntryNode> children) {
+            super(nodeIdentifier, children);
+            this.children = children;
         }
 
         @Override
@@ -136,8 +172,30 @@ public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<Un
         }
 
         @Override
-        public int getSize() {
+        public int size() {
             return children.size();
         }
+
+        @Override
+        protected Class<UnkeyedListNode> implementedType() {
+            return UnkeyedListNode.class;
+        }
+
+        @Override
+        protected int valueHashCode() {
+            return children.hashCode();
+        }
+
+        @Override
+        protected boolean valueEquals(final UnkeyedListNode other) {
+            final Collection<UnkeyedListEntryNode> otherChildren;
+            if (other instanceof ImmutableUnkeyedListNode) {
+                otherChildren = ((ImmutableUnkeyedListNode) other).children;
+            } else {
+                otherChildren = other.body();
+            }
+            return otherChildren instanceof List ? children.equals(otherChildren)
+                : Iterables.elementsEqual(children, otherChildren);
+        }
     }
 }