| // Copyright 2015 The Bazel Authors. All rights reserved. |
| // |
| // Licensed 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. |
| |
| package com.google.devtools.build.lib.query2.engine; |
| |
| /** |
| * Information about the query evaluation, like if it was successful and number of elements |
| * returned. |
| */ |
| public class QueryEvalResult { |
| |
| private final boolean success; |
| private final boolean empty; |
| |
| public QueryEvalResult(boolean success, boolean empty) { |
| this.success = success; |
| this.empty = empty; |
| } |
| |
| /** |
| * Whether the query was successful. This can only be false if the query was run with |
| * <code>keep_going</code>, otherwise evaluation will throw a {@link QueryException}. |
| */ |
| public boolean getSuccess() { |
| return success; |
| } |
| |
| /** True if the query did not return any result; */ |
| public boolean isEmpty() { |
| return empty; |
| } |
| |
| @Override |
| public String toString() { |
| return (getSuccess() ? "Successful" : "Unsuccessful") + ", empty = " + empty; |
| } |
| } |