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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you 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   *
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 * 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    *
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 * under the License.                                           *
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package org.apache.mailbox.tools.indexer;

import java.util.List;

import org.apache.james.mailbox.MessageUid;
import org.apache.james.mailbox.indexer.ReIndexingExecutionFailures;
import org.apache.james.mailbox.model.MailboxId;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonValue;
import com.github.steveash.guavate.Guavate;
import com.google.common.collect.Multimap;

public class SerializableReIndexingExecutionFailures {
    public static class SerializableReIndexingFailure {
        private final MailboxId mailboxId;
        private final MessageUid uid;

        public SerializableReIndexingFailure(MailboxId mailboxId, MessageUid uid) {
            this.mailboxId = mailboxId;
            this.uid = uid;
        }

        @JsonIgnore
        public String getSerializedMailboxId() {
            return mailboxId.serialize();
        }

        public long getUid() {
            return uid.asLong();
        }
    }

    public static SerializableReIndexingExecutionFailures from(ReIndexingExecutionFailures reIndexingExecutionFailures) {
        return new SerializableReIndexingExecutionFailures(
            reIndexingExecutionFailures.failures()
                .stream()
                .map(failure -> new SerializableReIndexingExecutionFailures.SerializableReIndexingFailure(failure.getMailboxId(), failure.getUid()))
                .collect(Guavate.toImmutableList()));
    }

    private final List<SerializableReIndexingFailure> failures;

    public SerializableReIndexingExecutionFailures(List<SerializableReIndexingFailure> failures) {
        this.failures = failures;
    }

    @JsonValue
    public Multimap<String, SerializableReIndexingFailure> failures() {
        return failures.stream()
            .collect(Guavate.toImmutableListMultimap(SerializableReIndexingFailure::getSerializedMailboxId));
    }
}
