code: public void retrieve(final String partitionKey, final String rowKey, final Class<? extends TableEntity> clazzType) {
          this.lockToPartitionKey(partitionKey);
          this.add(TableOperation.retrieve(partitionKey, rowKey, clazzType));
      }
docs: Adds a table operation to retrieve an entity of the specified class type with the specified PartitionKey and
  RowKey to the batch operation.
  
  @param partitionKey
  A <code>String</code> containing the PartitionKey of the entity to retrieve.
  @param rowKey
  A <code>String</code> containing the RowKey of the entity to retrieve.
  @param clazzType
  The class of the {@link TableEntity} type for the entity to retrieve.