Package org.springframework.batch.item.amqp

Class AmqpItemReader<T>

  • All Implemented Interfaces:
    ItemReader<T>
    public class AmqpItemReader<T>
extends java.lang.Object
implements ItemReader<T>

    AMQP ItemReader implementation using an AmqpTemplate to receive and/or convert messages.

    Author:
    Chris Schaefer, Mahmoud Ben Hassine

    • Constructor Summary

      Constructors 
      ConstructorDescription
      AmqpItemReader​(org.springframework.amqp.core.AmqpTemplate amqpTemplate)
      Initialize the AmqpItemReader.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and TypeMethodDescription
      Tread()
      Reads a piece of input data and advance to the next one.
      voidsetItemType​(java.lang.Class<? extends T> itemType)
      Establish the itemType for the reader.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • AmqpItemReader

        public AmqpItemReader​(org.springframework.amqp.core.AmqpTemplate amqpTemplate)
        Initialize the AmqpItemReader.
        Parameters:
        amqpTemplate - the template to be used. Must not be null.

    • Method Detail

      • read

        public T read()
        Description copied from interface: ItemReader
        Reads a piece of input data and advance to the next one. Implementations must return null at the end of the input data set. In a transactional setting, caller might get the same item twice from successive calls (or otherwise), if the first call was in a transaction that rolled back.
        Specified by:
        read in interface ItemReader<T>
        Returns:
        T the item to be processed or null if the data source is exhausted

      • setItemType

        public void setItemType​(java.lang.Class<? extends T> itemType)
        Establish the itemType for the reader.
        Parameters:
        itemType - class type that will be returned by the reader.