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// Copyright (C) 2017 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;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableTable;
import com.google.common.collect.Table;
import com.google.gerrit.server.mail.Address;
import com.google.gerrit.server.notedb.ReviewerStateInternal;
import java.sql.Timestamp;
/**
* Set of reviewers on a change that do not have a Gerrit account and were added by email instead.
*
* <p>A given account may appear in multiple states and at different timestamps. No reviewers with
* state {@link ReviewerStateInternal#REMOVED} are ever exposed by this interface.
*/
public class ReviewerByEmailSet {
private static final ReviewerByEmailSet EMPTY = new ReviewerByEmailSet(ImmutableTable.of());
public static ReviewerByEmailSet fromTable(
Table<ReviewerStateInternal, Address, Timestamp> table) {
return new ReviewerByEmailSet(table);
}
public static ReviewerByEmailSet empty() {
return EMPTY;
}
private final ImmutableTable<ReviewerStateInternal, Address, Timestamp> table;
private ImmutableSet<Address> users;
private ReviewerByEmailSet(Table<ReviewerStateInternal, Address, Timestamp> table) {
this.table = ImmutableTable.copyOf(table);
}
public ImmutableSet<Address> all() {
if (users == null) {
// Idempotent and immutable, don't bother locking.
users = ImmutableSet.copyOf(table.columnKeySet());
}
return users;
}
public ImmutableSet<Address> byState(ReviewerStateInternal state) {
return table.row(state).keySet();
}
public ImmutableTable<ReviewerStateInternal, Address, Timestamp> asTable() {
return table;
}
@Override
public boolean equals(Object o) {
return (o instanceof ReviewerByEmailSet) && table.equals(((ReviewerByEmailSet) o).table);
}
@Override
public int hashCode() {
return table.hashCode();
}
@Override
public String toString() {
return getClass().getSimpleName() + table;
}
}
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