dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.state.approve;
 
import foundation.dao.preload.Bucket;
 
public class ApproveRuntimeBucket extends Bucket<ApproveRuntime> {
    
    private static ApproveRuntimeBucket instance;
    
    private ApproveRuntimeBucket() {
 
    }
    
    public static synchronized ApproveRuntimeBucket getInstance() {
        if (instance == null) {
            instance = new ApproveRuntimeBucket();
        }
        
        return instance;
    }
 
}