/*
* Copyright (c) 2013 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.builder.impl;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import org.opendaylight.yangtools.concepts.Immutable;
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 org.opendaylight.yangtools.yang.data.impl.schema.nodes.AbstractImmutableNormalizedValueNode;
public class ImmutableUnkeyedListNodeBuilder implements CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> {
private List<UnkeyedListEntryNode> value;
private NodeIdentifier nodeIdentifier;
private boolean dirty;
protected ImmutableUnkeyedListNodeBuilder() {
this.value = new LinkedList<>();
this.dirty = false;
}
protected ImmutableUnkeyedListNodeBuilder(final ImmutableUnkeyedListNode node) {
this.nodeIdentifier = node.getIdentifier();
this.value = new LinkedList<>();
Iterables.addAll(value, node.getValue());
this.dirty = true;
}
public static CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> create() {
return new ImmutableUnkeyedListNodeBuilder();
}
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()));
}
return new ImmutableUnkeyedListNodeBuilder((ImmutableUnkeyedListNode) node);
}
private void checkDirty() {
if (dirty) {
value = new LinkedList<>(value);
dirty = false;
}
}
@Override
public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withChild(final UnkeyedListEntryNode child) {
checkDirty();
this.value.add(child);
return this;
}
@Override
public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withoutChild(
final PathArgument key) {
checkDirty();
throw new UnsupportedOperationException("Children does not have identifiers.");
}
@Override
public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withValue(final Collection<UnkeyedListEntryNode> value) {
// TODO replace or putAll ?
for (final UnkeyedListEntryNode UnkeyedListEntryNode : value) {
withChild(UnkeyedListEntryNode);
}
return this;
}
@Override
public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> withNodeIdentifier(
final NodeIdentifier nodeIdentifier) {
this.nodeIdentifier = nodeIdentifier;
return this;
}
@Override
public UnkeyedListNode build() {
dirty = true;
if (value.isEmpty()) {
return new EmptyImmutableUnkeyedListNode(nodeIdentifier);
}
return new ImmutableUnkeyedListNode(nodeIdentifier, ImmutableList.copyOf(value));
}
@Override
public CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> addChild(final UnkeyedListEntryNode child) {
return withChild(child);
}
@Override
public NormalizedNodeContainerBuilder<NodeIdentifier, PathArgument, UnkeyedListEntryNode, UnkeyedListNode> removeChild(
final PathArgument key) {
return withoutChild(key);
}
protected static final class EmptyImmutableUnkeyedListNode extends
AbstractImmutableNormalizedNode<NodeIdentifier, Collection<UnkeyedListEntryNode>> implements Immutable,
UnkeyedListNode {
protected EmptyImmutableUnkeyedListNode(final NodeIdentifier nodeIdentifier) {
super(nodeIdentifier);
}
@Override
public Collection<UnkeyedListEntryNode> getValue() {
return Collections.emptySet();
}
@Override
public UnkeyedListEntryNode getChild(final int position) {
throw new IndexOutOfBoundsException();
}
@Override
public int getSize() {
return 0;
}
@Override
protected boolean valueEquals(final AbstractImmutableNormalizedNode<?, ?> other) {
return Collections.EMPTY_LIST.equals(other.getValue());
}
@Override
protected int valueHashCode() {
return Collections.EMPTY_LIST.hashCode();
}
}
protected static final class ImmutableUnkeyedListNode extends
AbstractImmutableNormalizedValueNode<NodeIdentifier, Collection<UnkeyedListEntryNode>>
implements Immutable, UnkeyedListNode {
private final ImmutableList<UnkeyedListEntryNode> children;
ImmutableUnkeyedListNode(final NodeIdentifier nodeIdentifier,
final ImmutableList<UnkeyedListEntryNode> children) {
super(nodeIdentifier, children);
this.children = children;
}
@Override
protected int valueHashCode() {
return children.hashCode();
}
@Override
protected boolean valueEquals(final AbstractImmutableNormalizedNode<?, ?> other) {
return children.equals(((ImmutableUnkeyedListNode) other).children);
}
@Override
public UnkeyedListEntryNode getChild(final int position) {
return children.get(position);
}
@Override
public int getSize() {
return children.size();
}
}
}