@NonNullApi

Package org.springframework.batch.item

Infrastructure interfaces and primary dependencies for item concerns.

See: Description

Interface Summary

Interface	Description
ItemCountAware	Marker interface indicating that an item should have the item count set on it.
ItemProcessor<I,O>	Interface for item transformation.
ItemReader<T>	Strategy interface for providing the data.
ItemStream	Marker interface defining a contract for periodically storing state and restoring from that state should an error occur.
ItemStreamReader<T>	Convenience interface that combines ItemStream and ItemReader .
ItemStreamWriter<T>	Convenience interface that combines ItemStream and ItemWriter .
ItemWriter<T>	Basic interface for generic output operations.
PeekableItemReader<T>	A specialisation of ItemReader that allows the user to look ahead into the stream of items.
ResourceAware	Marker interface indicating that an item should have the Spring Resource in which it was read from, set on it.

Class Summary

Class	Description
ExecutionContext	Object representing a context for an ItemStream.
ItemStreamSupport	Empty method implementation of ItemStream.
KeyValueItemWriter<K,V>	A base class to implement any ItemWriter that writes to a key value store using a Converter to derive a key from an item
SpELItemKeyMapper<K,V>	An implementation of Converter that uses SpEL to map a Value to a key

Exception Summary

Exception	Description
ItemReaderException	A base exception class that all exceptions thrown from an ItemReader extend.
ItemStreamException	Exception representing any errors encountered while processing a stream.
ItemWriterException	A base exception class that all exceptions thrown from an ItemWriter extend.
NonTransientResourceException	Exception indicating that an error has been encountered doing I/O from a reader, and the exception should be considered fatal.
ParseException	Exception indicating that an error has been encountered parsing IO, typically from a file.
ReaderNotOpenException	Exception indicating that an ItemReader needed to be opened before read.
UnexpectedInputException	Used to signal an unexpected end of an input or message stream.
WriteFailedException	Unchecked exception indicating that an error has occurred while trying to clear a buffer on a rollback.
WriterNotOpenException	Exception indicating that an ItemWriter needed to be opened before being written to.

Package org.springframework.batch.item Description

Infrastructure interfaces and primary dependencies for item concerns.