com.google.gerrit.server.query.account.CanSeeChangePredicate Maven / Gradle / Ivy
// Copyright (C) 2016 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.account;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.index.query.PostFilterPredicate;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.permissions.ChangePermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
public class CanSeeChangePredicate extends PostFilterPredicate {
private final PermissionBackend permissionBackend;
private final ChangeNotes changeNotes;
CanSeeChangePredicate(PermissionBackend permissionBackend, ChangeNotes changeNotes) {
super(AccountQueryBuilder.FIELD_CAN_SEE, changeNotes.getChangeId().toString());
this.permissionBackend = permissionBackend;
this.changeNotes = changeNotes;
}
@Override
public boolean match(AccountState accountState) {
try {
return permissionBackend
.absentUser(accountState.account().id())
.change(changeNotes)
.test(ChangePermission.READ);
} catch (PermissionBackendException e) {
throw new StorageException("Failed to check if account can see change", e);
}
}
@Override
public int getCost() {
return 1;
}
}