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public interface DataProvider
The DataProvider
allows retrieval of accumulated data.
See DataVisitor
and DataListener
for description
of corresponding contracts.
Method Summary | |
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boolean |
retrieveData(DataVisitor visitor)
Retrieves accumulated data into specified data visitor. |
void |
setDataListener(DataListener listener)
Sets new data listener to receive notifications about data. |
Method Detail |
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boolean retrieveData(DataVisitor visitor)
true
if some data still remains in the provider
or false
if all accumulated data were retrieved.
void setDataListener(DataListener listener)
null
to set empty data listener (no notifications).
NOTE: if there is accumulated data available, then specified listener will be notified by this method.
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