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public class AutoClaimService {

	private int completeThreads = 0;
	List<List<Bill>> splitBills;

	public void doClaim() {
		List<Bill> bills = // 用hibernate读取集合
		splitBills = splitBills(bills, 10); // 每组十个
		for (int i = 0; i < splitedBillList.size(); i++) {
			AutoClaimThread claimThread = new AutoClaimThread();
			Thread thread = new Thread(claimThread);
            thread.start();
		}
	}

	// 当所有线程都结束时统一保存实体
	while (completeThreads == splitBills.size()) {
        for (MedicalBill medicalBill : bills) {
            System.out.println("id=" + medicalBill.getId() + ", status=" + medicalBill.getStatus() + ", close_status=" + medicalBill.getClosureStatus());
            medicalBillManager.saveEntity(medicalBill);
        }
        break;
    }

	class ClaimThread implements Runnable {

		List<Bill> innerBills;

		public void run() {
			for (Bill bill: innerBills) {
				// do something
			}

			completeThreads++; // 线程完成计数器
		}

		
	}
}