1/*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import {TreeNode} from 'trace/tree_node/tree_node';
18import {Operation} from './operation';
19
20export class OperationChain<T extends TreeNode> {
21  constructor(private readonly enclosedOperations: Array<Operation<T>>) {}
22
23  apply(value: T): T {
24    this.enclosedOperations.forEach((operation: Operation<T>) => {
25      operation.apply(value);
26    });
27
28    return value;
29  }
30
31  push(enclosedOperation: Operation<T>) {
32    this.enclosedOperations.push(enclosedOperation);
33  }
34
35  static emptyChain<T extends TreeNode>(): OperationChain<T> {
36    return new OperationChain([]);
37  }
38}
39