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DistributedAnswer.java
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DistributedAnswer.java
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/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.process.cluster.hz;
import com.hazelcast.core.Member;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
/**
* Answer of {@link DistributedCall}, aggregating the answers from
* all the target members.
*/
public class DistributedAnswer<T> {
private final Map<Member, T> answers = new HashMap<>();
private final Set<Member> timedOutMembers = new HashSet<>();
private final Map<Member, Exception> failedMembers = new HashMap<>();
public Optional<T> getAnswer(Member member) {
return Optional.ofNullable(answers.get(member));
}
public boolean hasTimedOut(Member member) {
return timedOutMembers.contains(member);
}
public Optional<Exception> getFailed(Member member) {
return Optional.ofNullable(failedMembers.get(member));
}
public Collection<Member> getMembers() {
List<Member> members = new ArrayList<>();
members.addAll(answers.keySet());
members.addAll(timedOutMembers);
members.addAll(failedMembers.keySet());
return members;
}
void setAnswer(Member member, T answer) {
this.answers.put(member, answer);
}
void setTimedOut(Member member) {
this.timedOutMembers.add(member);
}
void setFailed(Member member, Exception e) {
failedMembers.put(member, e);
}
}