org.springframework.integration.file

Interface FileWritingMessageHandler.MessageFlushPredicate

Enclosing class:

FileWritingMessageHandler

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface FileWritingMessageHandler.MessageFlushPredicate

When using FileExistsMode.APPEND_NO_FLUSH an implementation of this interface is called for each file that has pending data to flush when a trigger message is received.

Since:

4.3

See Also:

FileWritingMessageHandler.trigger(Message)

Method Summary

Modifier and Type	Method and Description
boolean	shouldFlush(java.lang.String fileAbsolutePath, long firstWrite, long lastWrite, org.springframework.messaging.Message<?> filterMessage) Return true to cause the file to be flushed and closed.

Method Detail

shouldFlush

boolean shouldFlush(java.lang.String fileAbsolutePath,
                    long firstWrite,
                    long lastWrite,
                    org.springframework.messaging.Message<?> filterMessage)

Return true to cause the file to be flushed and closed.

Parameters:

fileAbsolutePath - the path to the file.

firstWrite - the time of the first write to a new or previously closed file.

lastWrite - the time of the last write - System.currentTimeMillis().

filterMessage - an optional message to be used in the decision process.

Returns:

true if the file should be flushed and closed.