org.apache.ode.bpel.dao

## Interface XmlDataDAO

- All Known Implementing Classes:
    XmlDataDaoImpl, XmlDataDAOImpl

      public interface XmlDataDAO

  Data access object representing a piece of XML data. This is object is used to model BPEL variables.

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `org.w3c.dom.Node` | `get()` Retreive the variable data.
    `java.lang.String` | `getName()` Get the name of the variable.
    `java.lang.String` | `getProperty(java.lang.String propertyName)` Return the value of a property.
    `ScopeDAO` | `getScopeDAO()` Gets the scope associated with this xml data.
    `boolean` | `isNull()` Checks if the dao has been assigned any data.
    `void` | `remove()` Remove the object from the data store.
    `void` | `set(org.w3c.dom.Node val)` Set the data value of a variable.
    `void` | `setProperty(java.lang.String pname, java.lang.String pvalue)` Sets the value of a property

- - ### Method Detail

    - #### getName

          java.lang.String getName()

      Get the name of the variable.
      Returns:
        variable name

    - #### isNull

          boolean isNull()

      Checks if the dao has been assigned any data.
      Returns:
        `true` is assignment has NOT occured.

    - #### get

          org.w3c.dom.Node get()

      Retreive the variable data.
      Returns:
        the variable data

    - #### remove

          void remove()

      Remove the object from the data store.

    - #### set

          void set(org.w3c.dom.Node val)

      Set the data value of a variable.
      Parameters:
        `val` - value

    - #### getProperty

          java.lang.String getProperty(java.lang.String propertyName)

      Return the value of a property. Properties are useful for extracting simple type data which can be used for querying and identifying process instances.
      Parameters:
        `propertyName` -
      Returns:
        value of property or null if not set.

    - #### setProperty

          void setProperty(java.lang.String pname,
                         java.lang.String pvalue)

      Sets the value of a property
      Parameters:
        `pname` -
        `pvalue` -

    - #### getScopeDAO

          ScopeDAO getScopeDAO()

      Gets the scope associated with this xml data.
      Returns:
        scope