if (delete.getIfSeqNo() != SequenceNumbers.UNASSIGNED_SEQ_NO && versionValue == null) { final VersionConflictEngineException e = new VersionConflictEngineException(shardId, delete.type(), delete.id(), delete.getIfSeqNo(), delete.getIfPrimaryTerm(), SequenceNumbers.UNASSIGNED_SEQ_NO, 0); plan = DeletionStrategy.skipDueToVersionConflict(e, currentVersion, getPrimaryTerm(), currentlyDeleted); } else if (delete.getIfSeqNo() != SequenceNumbers.UNASSIGNED_SEQ_NO && ( versionValue.seqNo != delete.getIfSeqNo() || versionValue.term != delete.getIfPrimaryTerm() )) { final VersionConflictEngineException e = new VersionConflictEngineException(shardId, delete.type(), delete.id(), delete.getIfSeqNo(), delete.getIfPrimaryTerm(), versionValue.seqNo, versionValue.term); plan = DeletionStrategy.skipDueToVersionConflict(e, currentVersion, getPrimaryTerm(), currentlyDeleted); } else if (delete.versionType().isVersionConflictForWrites(currentVersion, delete.version(), currentlyDeleted)) {