java/com/google/gerrit/server/query/change/FuzzyHashtagPredicate.java

// Copyright (C) 2021 The Android Open Source Project
//
// 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.gerrit.server.query.change;

import static com.google.gerrit.server.index.change.ChangeField.FUZZY_HASHTAG;

import com.google.gerrit.server.index.change.ChangeIndex;

public class FuzzyHashtagPredicate extends ChangeIndexPredicate {
  protected final ChangeIndex index;

  public FuzzyHashtagPredicate(String hashtag, ChangeIndex index) {
    super(FUZZY_HASHTAG, hashtag.toLowerCase());
    this.index = index;
  }

  @Override
  public boolean match(ChangeData cd) {
    return cd.hashtags().stream().anyMatch(ht -> ht.toLowerCase().contains(getValue()));
  }

  @Override
  public int getCost() {
    return 1;
  }
}