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/*
 * Copyright 2017-present Open Networking Foundation
 * Copyright © 2020 camunda services GmbH ([email protected])
 *
 * 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 io.atomix.raft.storage.log;

import io.atomix.raft.protocol.PersistedRaftRecord;
import io.atomix.raft.protocol.ReplicatableJournalRecord;
import io.atomix.raft.storage.log.entry.ApplicationEntry;
import io.atomix.raft.storage.log.entry.RaftEntry;
import io.camunda.zeebe.journal.JournalRecord;

/** Indexed journal entry. */
record IndexedRaftLogEntryImpl(long index, long term, RaftEntry entry, JournalRecord record)
    implements IndexedRaftLogEntry {

  IndexedRaftLogEntryImpl(final long term, final RaftEntry entry, final JournalRecord record) {
    this(record.index(), term, entry, record);
  }

  @Override
  public boolean isApplicationEntry() {
    return entry instanceof ApplicationEntry;
  }

  @Override
  public ApplicationEntry getApplicationEntry() {
    return (ApplicationEntry) entry;
  }

  @Override
  public PersistedRaftRecord getPersistedRaftRecord() {
    final byte[] serializedRaftLogEntry = new byte[record.data().capacity()];
    record.data().getBytes(0, serializedRaftLogEntry);
    return new PersistedRaftRecord(
        term, index, record.asqn(), record.checksum(), serializedRaftLogEntry);
  }

  @Override
  public ReplicatableJournalRecord getReplicatableJournalRecord() {
    final byte[] serializedRecord = new byte[record.serializedRecord().capacity()];
    record.serializedRecord().getBytes(0, serializedRecord);
    return new ReplicatableJournalRecord(term, index, record.checksum(), serializedRecord);
  }
}