/*****************************************************************
 *   Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 ****************************************************************/

#import "CAYNodeDiff.h"


@implementation CAYNodeDiff

-(id)initWithNodeId:(id)nid
{
    [super init];
    [self setNodeId:nid];
    return self;
}

-(id)initWithNodeId:(id)nid diffId:(NSInteger)did
{
    [self initWithNodeId:nid];
    diffId = did;
    return self;
}

-(id)initWithCoder:(NSCoder*)coder
{
	[super init];
    diffId = [coder decodeIntForKey:@"diffId"];
    [self setNodeId:[coder decodeObjectForKey:@"nodeId"]];
	return self;
}

-(void)encodeWithCoder:(NSCoder*)coder
{
	[coder encodeInt:diffId forKey:@"diffId"];
	[coder encodeObject:nodeId forKey:@"nodeId"];
}

-(void)setNodeId:(NSObject *)nid
{
    [nid retain];
    [nodeId release];
    nodeId = nid;
}

-(NSObject *)nodeId
{
    return nodeId;
}

-(void)apply:(CAYObjectStore *)objectStore
{
    NSLog(@"DEBUG: %@ does not implement apply:", [self class]);
}

-(void)undo:(CAYObjectStore *)objectStore
{
    NSLog(@"DEBUG: %@ does not implement undo:", [self class]);
}

-(BOOL)isOpposite:(CAYNodeDiff *)diff
{
    NSLog(@"DEBUG: %@ does not implement isOpposite:", [self class]);
    return NO;
}

-(void)dealloc
{
	[self setNodeId:nil];
	[super dealloc];
}


@end