Package org.example.customerdao

Class SupplierDAOImpl

java.lang.Object
org.example.customerdao.SupplierDAOImpl
All Implemented Interfaces:
SupplierDAO, Deleteable
public class SupplierDAOImpl extends Object implements SupplierDAO
This is the SupplierDAO Implementation for the Customer DAO component of the Customer Web Application. This will be the primary Supplier database exposure for the Customer Web Layer.
Since:
1.0
Author:
Jonathan Earl

  • Constructor Summary

    Constructors
    Constructor
    Description
    SupplierDAOImpl()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    addSupplier(org.example.websecurity.UserCredentials credentials, org.example.customer.Supplier supplier)
    Adds a Supplier.
    void
    deleteEntity(org.example.websecurity.UserCredentials credentials, int id)
    Deletes a CuUstomerEntity by id.
    void
    deleteEntity(org.example.websecurity.UserCredentials credentials, org.example.customer.utility.CustomerEntity entity)
    Deletes an CustomerEntity.
    List<org.example.customer.Supplier>
    findAllSuppliers(org.example.websecurity.UserCredentials credentials)
    Finds all Suppliers.
    org.example.customer.Supplier
    findSupplierById(org.example.websecurity.UserCredentials credentials, int id)
    Find Supplier by Id.
    List<org.example.customer.Supplier>
    findSuppliersByCompanyName(org.example.websecurity.UserCredentials credentials, String name)
    Find Suppliers by Company name.
    boolean
    isDeleteable(org.example.websecurity.UserCredentials credentials, int id)
    This method will determine if a CustomerEntity record can be deleted.
    boolean
    isDeleteable(org.example.websecurity.UserCredentials credentials, org.example.customer.utility.CustomerEntity entity)
    Checks to see if a Product has Orders, if not the Product is deleteable.
    void
    setReadOnlyDS(DataSource readOnlyDS)
    Sets the Read Only DataSource for this DAO Implication.
    void
    setReadWriteDS(DataSource readWriteDS)
    Sets the Read/Write DataSource for this DAO Implication.
    void
    updateSupplier(org.example.websecurity.UserCredentials credentials, org.example.customer.Supplier supplier)
    Updates a Supplier.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • SupplierDAOImpl

      public SupplierDAOImpl()

  • Method Details

    • setReadOnlyDS

      public void setReadOnlyDS(DataSource readOnlyDS)
      Sets the Read Only DataSource for this DAO Implication.
      Specified by:
      setReadOnlyDS in interface SupplierDAO
      Parameters:
      readOnlyDS - the readOnlyDS to set

    • setReadWriteDS

      public void setReadWriteDS(DataSource readWriteDS)
      Sets the Read/Write DataSource for this DAO Implication.
      Specified by:
      setReadWriteDS in interface SupplierDAO
      Parameters:
      readWriteDS - the readWriteDS to set

    • findAllSuppliers

      public List<org.example.customer.Supplier> findAllSuppliers(org.example.websecurity.UserCredentials credentials)
      Finds all Suppliers.
      Specified by:
      findAllSuppliers in interface SupplierDAO
      Parameters:
      credentials - the UserCredentials for this Database operation
      Returns:
      a list of Suppliers, this list may be empty

    • findSupplierById

      public org.example.customer.Supplier findSupplierById(org.example.websecurity.UserCredentials credentials, int id)
      Find Supplier by Id.

      This will return null if the Supplier cannot be found.

      Specified by:
      findSupplierById in interface SupplierDAO
      Parameters:
      credentials - the UserCredentials for this Database operation
      id - the Supplier ID to search for
      Returns:
      a Supplier or null if the Supplier is not found

    • findSuppliersByCompanyName

      public List<org.example.customer.Supplier> findSuppliersByCompanyName(org.example.websecurity.UserCredentials credentials, String name)
      Find Suppliers by Company name.

      This will use a Wild Card search to find any Supplier with the provided string and a portion of their Company name.

      Specified by:
      findSuppliersByCompanyName in interface SupplierDAO
      Parameters:
      credentials - the UserCredentials for this Database operation
      name - the string to search for
      Returns:
      a list if Suppliers, this list may be empty

    • addSupplier

      public int addSupplier(org.example.websecurity.UserCredentials credentials, org.example.customer.Supplier supplier)
      Adds a Supplier.

      Only a Manager is permitted to add a Supplier.

      Specified by:
      addSupplier in interface SupplierDAO
      Parameters:
      credentials - the UserCredentials for this Database operation
      supplier - the Supplier object to add
      Returns:
      the id of the new Supplier record

    • updateSupplier

      public void updateSupplier(org.example.websecurity.UserCredentials credentials, org.example.customer.Supplier supplier)
      Updates a Supplier.

      Only a Manager is permitted to update a Supplier.

      Specified by:
      updateSupplier in interface SupplierDAO
      Parameters:
      credentials - the UserCredentials for this Database operation
      supplier - the Supplier object to update

    • isDeleteable

      public boolean isDeleteable(org.example.websecurity.UserCredentials credentials, org.example.customer.utility.CustomerEntity entity)
      Checks to see if a Product has Orders, if not the Product is deleteable.

      Only Managers can delete CustomerEntity records.

      Suppliers with Products are not deleteable.

      Specified by:
      isDeleteable in interface Deleteable
      Parameters:
      credentials - the UserCredentials for this Database operation
      entity - the CustomerEntity object to check
      Returns:
      true if the CustomerEntity is deleteable

    • isDeleteable

      public boolean isDeleteable(org.example.websecurity.UserCredentials credentials, int id)
      This method will determine if a CustomerEntity record can be deleted.

      Only Managers can delete CustomerEntity records.

      Suppliers with Products are not deleteable.

      Specified by:
      isDeleteable in interface Deleteable
      Parameters:
      credentials - the UserCredentials for this Database operation
      id - the if of the object to delete
      Returns:
      true if the object is deleteable

    • deleteEntity

      public void deleteEntity(org.example.websecurity.UserCredentials credentials, org.example.customer.utility.CustomerEntity entity) throws NonDeleteableRecordException
      Deletes an CustomerEntity.

      Only a Manager is permitted to delete a CustomerEntity.

      If this CustomerEntity fails to meet the criteria for deletion, the delete will fail.

      Suppliers with Products are not deleteable.

      Specified by:
      deleteEntity in interface Deleteable
      Parameters:
      credentials - the UserCredentials for this Database operation
      entity - the CustomerEntity object to delete
      Throws:
      NonDeleteableRecordException - if this CustomerEntity cannot be deleted

    • deleteEntity

      public void deleteEntity(org.example.websecurity.UserCredentials credentials, int id) throws NonDeleteableRecordException
      Deletes a CuUstomerEntity by id.

      Only a Manager is permitted to delete a CustomerEntity.

      Suppliers with Products are not deleteable.

      Specified by:
      deleteEntity in interface Deleteable
      Parameters:
      credentials - the UserCredentials for this Database operation
      id - the CustomerEntity id to delete
      Throws:
      NonDeleteableRecordException - if this CustomerEntity cannot be deleted