| Name | Description | Type | Package | Framework | 
| AbstractStep | A Step implementation that provides common behavior to subclasses, including registering and callingAuthor:Dave Syer, Ben Hale, Robert Kasanicky, Michael Minella, Chris Schaefer | Class | org.springframework.batch.core.step | Spring Batch | 
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| AbstractTaskletStepBuilder | Base class for step builders that want to build a TaskletStep. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| AlwaysSkipItemSkipPolicy | will always return that an item should be skipped. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| BatchRetryTemplate | A special purpose retry template that deals specifically with multi-valuedstateful retry. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| CallableTaskletAdapter |  | Class | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| Chunk | Encapsulation of a list of items to be processed and possibly a list offailed items to be skipped. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| ChunkMonitor | Manage the offset data between the last successful commit and updates made toan input chunk. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| ChunkMonitor .ChunkMonitorData |  | Class | org.springframework.batch.core.step.item.ChunkMonitor | Spring Batch | 
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| ChunkOrientedTasklet |  | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| ChunkProcessor | Interface defined for processing Chunks. | Interface | org.springframework.batch.core.step.item | Spring Batch | 
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| ChunkProvider | Interface for providing Chunks to be processed, used by theChunkOrientedTasklet | Interface | org.springframework.batch.core.step.item | Spring Batch | 
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| CompositeSkipPolicy |  | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| ConfigurableSystemProcessExitCodeMapper | Maps exit codes to ExitStatusaccording to injected map. | Class | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| DefaultItemFailureHandler | Default implementation of the ItemListenerSupport class thatwrites all exceptions via commons logging. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| DefaultJobParametersExtractor | Simple implementation of JobParametersExtractor which pullsparameters with named keys out of the step execution context and the job | Class | org.springframework.batch.core.step.job | Spring Batch | 
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| ExceptionClassifierSkipPolicy | A SkipPolicy that depends on an exception classifier to make itsdecision, and then delegates to the classifier result. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| FatalStepExecutionException |  | Class | org.springframework.batch.core.step | Spring Batch | 
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| FaultTolerantChunkProcessor | FaultTolerant implementation of the ChunkProcessor interface, thatallows for skipping or retry of items that cause exceptions during writing. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| FaultTolerantChunkProvider | FaultTolerant implementation of the ChunkProcessor interface, thatallows for skipping or retry of items that cause exceptions during reading or | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| FaultTolerantStepBuilder | A step builder for fully fault tolerant chunk-oriented item processing steps. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| FaultTolerantStepFactoryBean | Factory bean for step that provides options for configuring skip behavior. | Class | org.springframework.batch.core.step.factory | Spring Batch | 
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| FlowStepBuilder | A step builder for FlowStep instances. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| ForceRollbackForWriteSkipException | Fatal exception to be thrown when a rollback must be forced, typically aftercatching an exception that otherwise would not cause a rollback. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| JobParametersExtractor |  | Interface | org.springframework.batch.core.step.job | Spring Batch | 
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| JobStep | A Step that delegates to a Job to do its work. | Class | org.springframework.batch.core.step.job | Spring Batch | 
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| JobStepBuilder | A step builder for JobStep instances. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| KeyGenerator | Interface for defining keys to uniquely identify items. | Interface | org.springframework.batch.core.step.item | Spring Batch | 
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| LimitCheckingItemSkipPolicy | SkipPolicy that determines whether or not reading should continuebased upon how many items have been skipped. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| MethodInvokingTaskletAdapter | A Tasklet that wraps a method in a POJO. | Class | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| NeverSkipItemSkipPolicy | SkipPolicy implementation that always returns false,indicating that an item should not be skipped. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| NonSkippableProcessException | Fatal exception to be thrown when a process operation could not be skipped. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| NonSkippableReadException | Fatal exception to be thrown when a read operation could not be skipped. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| NonSkippableWriteException | Fatal exception to be thrown when a process operation could not be skipped. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| NoSuchStepException | Exception to signal that a step was requested that is unknown or does notAuthor:Dave SyerSee Also:Serialized Form | Class | org.springframework.batch.core.step | Spring Batch | 
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| NoWorkFoundStepExecutionListener | Fails the step if no items have been processed ( item count is 0). | Class | org.springframework.batch.core.step | Spring Batch | 
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| PartitionStepBuilder | Step builder for PartitionStep instances. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| SimpleChunkProcessor | Simple implementation of the ChunkProcessor interface that handlesbasic item writing and processing. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| SimpleChunkProvider | Simple implementation of the ChunkProvider interface that does basic chunkproviding from an ItemReader. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| SimpleRetryExceptionHandler | An ExceptionHandler that is aware of the retry context so that it candistinguish between a fatal exception and one that can be retried. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| SimpleStepBuilder | Step builder for simple item processing (chunk oriented) steps. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| SimpleStepFactoryBean | Most common configuration options for simple steps should be found here. | Class | org.springframework.batch.core.step.factory | Spring Batch | 
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| SimpleSystemProcessExitCodeMapper | Simple SystemProcessExitCodeMapper implementation that performs following mapping:0 -> ExitStatus. | Class | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| SkipException | Base exception indicating that the skip has failed or caused a failure. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| SkipLimitExceededException | Exception indicating that the skip limit for a particular Step hasAuthor:Ben Hale, Lucas Ward, Dave SyerSee Also:Serialized Form | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| SkipListenerFailedException | Special exception to indicate a failure in a skip listener. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| SkipOverflowException |  | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| SkipPolicy | Policy for determining whether or not some processing should be skipped. | Interface | org.springframework.batch.core.step.skip | Spring Batch | 
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| SkipPolicyFailedException | Special exception to indicate a failure in a skip policy. | Class | org.springframework.batch.core.step.skip | Spring Batch | 
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| SkipWrapper | Wrapper for an item and its exception if it failed processing. | Class | org.springframework.batch.core.step.item | Spring Batch | 
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| Step | Batch domain interface representing the configuration of a step. | Interface | org.springframework.batch.core | Spring Batch | 
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| StepBuilder | Convenient entry point for building all kinds of steps. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| StepBuilderException | Utility exception thrown by builders when they encounter unexpected checked exceptions. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| StepBuilderHelper | A base class and utility for other step builders providing access to common properties like job repository andtransaction manager. | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| StepBuilderHelper .CommonStepProperties |  | Class | org.springframework.batch.core.step.builder.StepBuilderHelper | Spring Batch | 
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| StepContribution | Represents a contribution to a StepExecution, buffering changes untilthey can be applied at a chunk boundary. | Class | org.springframework.batch.core | Spring Batch | 
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| StepExecution | Batch domain object representation the execution of a step. | Class | org.springframework.batch.core | Spring Batch | 
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| StepExecutionListener | Listener interface for the lifecycle of a Step. | Interface | org.springframework.batch.core | Spring Batch | 
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| StepHolder | Interface for holders of a Step as a convenience for callers who needaccess to the underlying instance. | Interface | org.springframework.batch.core.step | Spring Batch | 
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| StepInterruptionPolicy | Strategy interface for an interruption policy. | Interface | org.springframework.batch.core.step | Spring Batch | 
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| StepLocator | Interface for locating a Step instance by name. | Interface | org.springframework.batch.core.step | Spring Batch | 
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| StepLocatorStepFactoryBean | Convenience factory for Step instances given a StepLocator. | Class | org.springframework.batch.core.step | Spring Batch | 
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| StoppableTasklet | An extension to the Tasklet interface to allow users toadd logic for stopping a tasklet. | Interface | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| SystemCommandException | Exception indicating failed execution of system command. | Class | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| SystemCommandTasklet | Tasklet that executes a system command. | Class | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| SystemProcessExitCodeMapper | Maps the exit code of a system process to ExitStatus valuereturned by a system command. | Interface | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| Tasklet | Strategy for processing in a step. | Interface | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| TaskletStep | Simple implementation of executing the step as a call to a Tasklet,possibly repeated, and each call surrounded by a transaction. | Class | org.springframework.batch.core.step.tasklet | Spring Batch | 
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| TaskletStepBuilder | Builder for tasklet step based on a custom tasklet (not item oriented). | Class | org.springframework.batch.core.step.builder | Spring Batch | 
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| ThreadStepInterruptionPolicy | Policy that checks the current thread to see if it has been interrupted. | Class | org.springframework.batch.core.step | Spring Batch | 
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| UncheckedTransactionException | Convenience wrapper for a checked exception so that it can cause arollback and be extracted afterwards. | Class | org.springframework.batch.core.step.tasklet | Spring Batch |