org.springframework.batch.core.repository.dao

## Class MapExecutionContextDao

- java.lang.Object
- - org.springframework.batch.core.repository.dao.MapExecutionContextDao

- All Implemented Interfaces:
    ExecutionContextDao

      public class MapExecutionContextDao
      extends java.lang.Object
      implements ExecutionContextDao

  In-memory implementation of `ExecutionContextDao` backed by maps.
  Author:
    Robert Kasanicky, Dave Syer, David Turanski, Mahmoud Ben Hassine

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `MapExecutionContextDao()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `clear()`
    `ExecutionContext` | `getExecutionContext(JobExecution jobExecution)`
    `ExecutionContext` | `getExecutionContext(StepExecution stepExecution)`
    `void` | `saveExecutionContext(JobExecution jobExecution)` Persist the execution context associated with the given jobExecution, persistent entry for the context should not exist yet.
    `void` | `saveExecutionContext(StepExecution stepExecution)` Persist the execution context associated with the given stepExecution, persistent entry for the context should not exist yet.
    `void` | `saveExecutionContexts(java.util.Collection<StepExecution> stepExecutions)` Persist the execution context associated with each stepExecution in a given collection, persistent entry for the context should not exist yet.
    `void` | `updateExecutionContext(JobExecution jobExecution)` Persist the updates of execution context associated with the given jobExecution.
    `void` | `updateExecutionContext(StepExecution stepExecution)` Persist the updates of execution context associated with the given stepExecution.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### MapExecutionContextDao

          public MapExecutionContextDao()

  - ### Method Detail

    - #### clear

          public void clear()

    - #### getExecutionContext

          public ExecutionContext getExecutionContext(StepExecution stepExecution)

      Specified by:
        `getExecutionContext` in interface `ExecutionContextDao`
      Parameters:
        `stepExecution` - `StepExecution` instance that contains the context.
      Returns:
        execution context associated with the given stepExecution

    - #### updateExecutionContext

          public void updateExecutionContext(StepExecution stepExecution)

      Description copied from interface: `ExecutionContextDao`
      Persist the updates of execution context associated with the given stepExecution. Persistent entry should already exist for this context.
      Specified by:
        `updateExecutionContext` in interface `ExecutionContextDao`
      Parameters:
        `stepExecution` - `StepExecution` instance that contains the context.

    - #### getExecutionContext

          public ExecutionContext getExecutionContext(JobExecution jobExecution)

      Specified by:
        `getExecutionContext` in interface `ExecutionContextDao`
      Parameters:
        `jobExecution` - `JobExecution` instance that contains the context.
      Returns:
        execution context associated with the given jobExecution

    - #### updateExecutionContext

          public void updateExecutionContext(JobExecution jobExecution)

      Description copied from interface: `ExecutionContextDao`
      Persist the updates of execution context associated with the given jobExecution. Persistent entry should already exist for this context.
      Specified by:
        `updateExecutionContext` in interface `ExecutionContextDao`
      Parameters:
        `jobExecution` - `JobExecution` instance that contains the context.

    - #### saveExecutionContext

          public void saveExecutionContext(JobExecution jobExecution)

      Description copied from interface: `ExecutionContextDao`
      Persist the execution context associated with the given jobExecution, persistent entry for the context should not exist yet.
      Specified by:
        `saveExecutionContext` in interface `ExecutionContextDao`
      Parameters:
        `jobExecution` - `JobExecution` instance that contains the context.

    - #### saveExecutionContext

          public void saveExecutionContext(StepExecution stepExecution)

      Description copied from interface: `ExecutionContextDao`
      Persist the execution context associated with the given stepExecution, persistent entry for the context should not exist yet.
      Specified by:
        `saveExecutionContext` in interface `ExecutionContextDao`
      Parameters:
        `stepExecution` - `StepExecution` instance that contains the context.

    - #### saveExecutionContexts

          public void saveExecutionContexts(java.util.Collection<StepExecution> stepExecutions)

      Description copied from interface: `ExecutionContextDao`
      Persist the execution context associated with each stepExecution in a given collection, persistent entry for the context should not exist yet.
      Specified by:
        `saveExecutionContexts` in interface `ExecutionContextDao`
      Parameters:
        `stepExecutions` - a collection of `StepExecution`s that contain the contexts.