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package com.fasterxml.jackson.core.async;
/**
* Interface used by non-blocking {@link com.fasterxml.jackson.core.JsonParser}
* implementations to feed input to parse.
* Feeder is used by entity that feeds content to parse; at any given point
* only one chunk of content can be processed so caller has to take care to
* only feed more content when existing content has been parsed (which occurs
* when parser's nextToken
is called). Once application using
* non-blocking parser has no more data to feed it should call
* {@link #endOfInput} to indicate end of logical input (stream) to parse.
*
* @since 2.9
*/
public interface NonBlockingInputFeeder
{
/**
* Method called to check whether it is ok to feed more data: parser returns true
* if it has no more content to parse (and it is ok to feed more); otherwise false
* (and no data should yet be fed).
*
* @return {@code True} if more input is needed (and can be fed); {@code false} if
* there is still some input to decode
*/
public boolean needMoreInput();
/**
* Method that should be called after last chunk of data to parse has been fed
* (with {@code feedInput} in sub-class); can be called regardless of what
* {@link #needMoreInput}
* returns. After calling this method, no more data can be fed; and parser assumes
* no more data will be available.
*/
public void endOfInput();
}
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