コード例 #1
0
ファイル: VolumeBase.java プロジェクト: xujun10110/zstack
  private void delete(
      boolean forceDelete, boolean detachBeforeDeleting, final Completion completion) {
    final String issuer = VolumeVO.class.getSimpleName();
    VolumeDeletionStruct struct = new VolumeDeletionStruct();
    struct.setInventory(getSelfInventory());
    struct.setDetachBeforeDeleting(detachBeforeDeleting);
    struct.setDeletionPolicy(deletionPolicyMgr.getDeletionPolicy(self.getUuid()).toString());
    final List<VolumeDeletionStruct> ctx = list(struct);
    FlowChain chain = FlowChainBuilder.newSimpleFlowChain();
    chain.setName("delete-data-volume");
    if (!forceDelete) {
      chain
          .then(
              new NoRollbackFlow() {
                @Override
                public void run(final FlowTrigger trigger, Map data) {
                  casf.asyncCascade(
                      CascadeConstant.DELETION_CHECK_CODE,
                      issuer,
                      ctx,
                      new Completion(trigger) {
                        @Override
                        public void success() {
                          trigger.next();
                        }

                        @Override
                        public void fail(ErrorCode errorCode) {
                          trigger.fail(errorCode);
                        }
                      });
                }
              })
          .then(
              new NoRollbackFlow() {
                @Override
                public void run(final FlowTrigger trigger, Map data) {
                  casf.asyncCascade(
                      CascadeConstant.DELETION_DELETE_CODE,
                      issuer,
                      ctx,
                      new Completion(trigger) {
                        @Override
                        public void success() {
                          trigger.next();
                        }

                        @Override
                        public void fail(ErrorCode errorCode) {
                          trigger.fail(errorCode);
                        }
                      });
                }
              });
    } else {
      chain.then(
          new NoRollbackFlow() {
            @Override
            public void run(final FlowTrigger trigger, Map data) {
              casf.asyncCascade(
                  CascadeConstant.DELETION_FORCE_DELETE_CODE,
                  issuer,
                  ctx,
                  new Completion(trigger) {
                    @Override
                    public void success() {
                      trigger.next();
                    }

                    @Override
                    public void fail(ErrorCode errorCode) {
                      trigger.fail(errorCode);
                    }
                  });
            }
          });
    }

    chain
        .done(
            new FlowDoneHandler(completion) {
              @Override
              public void handle(Map data) {
                casf.asyncCascadeFull(
                    CascadeConstant.DELETION_CLEANUP_CODE, issuer, ctx, new NopeCompletion());
                completion.success();
              }
            })
        .error(
            new FlowErrorHandler(completion) {
              @Override
              public void handle(ErrorCode errCode, Map data) {
                completion.fail(errCode);
              }
            })
        .start();
  }