int migrationsSize = in.readInt();
activeMigrations = new ArrayList<MigrationInfo>(migrationsSize);
for (int i = 0; i < migrationsSize; i++) {
MigrationInfo migrationInfo = new MigrationInfo();
migrationInfo.readData(in);
activeMigrations.add(migrationInfo);
}
int lockSize = in.readInt();
lockInfos = new ArrayList<LockInfo>(lockSize);