CannotProceedException (Java Platform SE 8 )
Keywords: javax.naming.CannotProceedException class
Date: 2017-01-22

compact3
javax.naming

## Class CannotProceedException

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Exception
    - - javax.naming.NamingException
      - - javax.naming.CannotProceedException

- All Implemented Interfaces:
    Serializable

      public class CannotProceedException
      extends NamingException

  This exception is thrown to indicate that the operation reached a point in the name where the operation cannot proceed any further. When performing an operation on a composite name, a naming service provider may reach a part of the name that does not belong to its namespace. At that point, it can construct a CannotProceedException and then invoke methods provided by javax.naming.spi.NamingManager (such as getContinuationContext()) to locate another provider to continue the operation. If this is not possible, this exception is raised to the caller of the context operation.

  If the program wants to handle this exception in particular, it should catch CannotProceedException explicitly before attempting to catch NamingException.

  A CannotProceedException instance is not synchronized against concurrent multithreaded access. Multiple threads trying to access and modify CannotProceedException should lock the object.

  Since:
    1.3
  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected Name` | `altName` Contains the name of the resolved object, relative to the context `altNameCtx`.
    `protected Context` | `altNameCtx` Contains the context relative to which `altName` is specified.
    `protected Hashtable<?,?>` | `environment` Contains the environment relevant for the Context or DirContext method that cannot proceed.
    `protected Name` | `remainingNewName` Contains the remaining unresolved part of the second "name" argument to Context.rename().

    - ### Fields inherited from class javax.naming.NamingException

      `remainingName, resolvedName, resolvedObj, rootException`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `CannotProceedException()` Constructs a new instance of CannotProceedException.
    `CannotProceedException(String explanation)` Constructs a new instance of CannotProceedException using an explanation.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `Name` | `getAltName()` Retrieves the `altName` field of this exception.
    `Context` | `getAltNameCtx()` Retrieves the `altNameCtx` field of this exception.
    `Hashtable<?,?>` | `getEnvironment()` Retrieves the environment that was in effect when this exception was created.
    `Name` | `getRemainingNewName()` Retrieves the "remaining new name" field of this exception, which is used when this exception is thrown during a rename() operation.
    `void` | `setAltName(Name altName)` Sets the `altName` field of this exception.
    `void` | `setAltNameCtx(Context altNameCtx)` Sets the `altNameCtx` field of this exception.
    `void` | `setEnvironment(Hashtable<?,?> environment)` Sets the environment that will be returned when getEnvironment() is called.
    `void` | `setRemainingNewName(Name newName)` Sets the "remaining new name" field of this exception.

    - ### Methods inherited from class javax.naming.NamingException

      `appendRemainingComponent, appendRemainingName, getCause, getExplanation, getRemainingName, getResolvedName, getResolvedObj, getRootCause, initCause, setRemainingName, setResolvedName, setResolvedObj, setRootCause, toString, toString`

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

      `addSuppressed, fillInStackTrace, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, printStackTrace, printStackTrace, printStackTrace, setStackTrace`

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

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

- - ### Field Detail

    - #### remainingNewName

          protected Name remainingNewName

      Contains the remaining unresolved part of the second "name" argument to Context.rename(). This information necessary for continuing the Context.rename() operation.

      This field is initialized to null. It should not be manipulated directly: it should be accessed and updated using getRemainingName() and setRemainingName().

      See Also:
        `getRemainingNewName()`, `setRemainingNewName(javax.naming.Name)`

    - #### environment

          protected Hashtable<?,?> environment

      Contains the environment relevant for the Context or DirContext method that cannot proceed.

      This field is initialized to null. It should not be manipulated directly: it should be accessed and updated using getEnvironment() and setEnvironment().

      See Also:
        `getEnvironment()`, `setEnvironment(java.util.Hashtable<?, ?>)`

    - #### altName

          protected Name altName

      Contains the name of the resolved object, relative to the context `altNameCtx`. It is a composite name. If null, then no name is specified. See the `javax.naming.spi.ObjectFactory.getObjectInstance` method for details on how this is used.

      This field is initialized to null. It should not be manipulated directly: it should be accessed and updated using getAltName() and setAltName().

      See Also:
        `getAltName()`, `setAltName(javax.naming.Name)`, `altNameCtx`, `ObjectFactory.getObjectInstance(java.lang.Object, javax.naming.Name, javax.naming.Context, java.util.Hashtable<?, ?>)`

    - #### altNameCtx

          protected Context altNameCtx

      Contains the context relative to which `altName` is specified. If null, then the default initial context is implied. See the `javax.naming.spi.ObjectFactory.getObjectInstance` method for details on how this is used.

      This field is initialized to null. It should not be manipulated directly: it should be accessed and updated using getAltNameCtx() and setAltNameCtx().

      See Also:
        `getAltNameCtx()`, `setAltNameCtx(javax.naming.Context)`, `altName`, `ObjectFactory.getObjectInstance(java.lang.Object, javax.naming.Name, javax.naming.Context, java.util.Hashtable<?, ?>)`

  - ### Constructor Detail

    - #### CannotProceedException

          public CannotProceedException(String explanation)

      Constructs a new instance of CannotProceedException using an explanation. All unspecified fields default to null.
      Parameters:
        `explanation` - A possibly null string containing additional detail about this exception. If null, this exception has no detail message.
      See Also:
        `Throwable.getMessage()`

    - #### CannotProceedException

          public CannotProceedException()

      Constructs a new instance of CannotProceedException. All fields default to null.

  - ### Method Detail

    - #### getEnvironment

          public Hashtable<?,?> getEnvironment()

      Retrieves the environment that was in effect when this exception was created.
      Returns:
        Possibly null environment property set. null means no environment was recorded for this exception.
      See Also:
        `setEnvironment(java.util.Hashtable<?, ?>)`

    - #### setEnvironment

          public void setEnvironment(Hashtable<?,?> environment)

      Sets the environment that will be returned when getEnvironment() is called.
      Parameters:
        `environment` - A possibly null environment property set. null means no environment is being recorded for this exception.
      See Also:
        `getEnvironment()`

    - #### getRemainingNewName

          public Name getRemainingNewName()

      Retrieves the "remaining new name" field of this exception, which is used when this exception is thrown during a rename() operation.
      Returns:
        The possibly null part of the new name that has not been resolved. It is a composite name. It can be null, which means the remaining new name field has not been set.
      See Also:
        `setRemainingNewName(javax.naming.Name)`

    - #### setRemainingNewName

          public void setRemainingNewName(Name newName)

      Sets the "remaining new name" field of this exception. This is the value returned by `getRemainingNewName()`.

      `newName` is a composite name. If the intent is to set this field using a compound name or string, you must "stringify" the compound name, and create a composite name with a single component using the string. You can then invoke this method using the resulting composite name.

      A copy of `newName` is made and stored. Subsequent changes to `name` does not affect the copy in this NamingException and vice versa.

      Parameters:
        `newName` - The possibly null name to set the "remaining new name" to. If null, it sets the remaining name field to null.
      See Also:
        `getRemainingNewName()`

    - #### getAltName

          public Name getAltName()

      Retrieves the `altName` field of this exception. This is the name of the resolved object, relative to the context `altNameCtx`. It will be used during a subsequent call to the `javax.naming.spi.ObjectFactory.getObjectInstance` method.
      Returns:
        The name of the resolved object, relative to `altNameCtx`. It is a composite name. If null, then no name is specified.
      See Also:
        `setAltName(javax.naming.Name)`, `getAltNameCtx()`, `ObjectFactory.getObjectInstance(java.lang.Object, javax.naming.Name, javax.naming.Context, java.util.Hashtable<?, ?>)`

    - #### setAltName

          public void setAltName(Name altName)

      Sets the `altName` field of this exception.
      Parameters:
        `altName` - The name of the resolved object, relative to `altNameCtx`. It is a composite name. If null, then no name is specified.
      See Also:
        `getAltName()`, `setAltNameCtx(javax.naming.Context)`

    - #### getAltNameCtx

          public Context getAltNameCtx()

      Retrieves the `altNameCtx` field of this exception. This is the context relative to which `altName` is named. It will be used during a subsequent call to the `javax.naming.spi.ObjectFactory.getObjectInstance` method.
      Returns:
        The context relative to which `altName` is named. If null, then the default initial context is implied.
      See Also:
        `setAltNameCtx(javax.naming.Context)`, `getAltName()`, `ObjectFactory.getObjectInstance(java.lang.Object, javax.naming.Name, javax.naming.Context, java.util.Hashtable<?, ?>)`

    - #### setAltNameCtx

          public void setAltNameCtx(Context altNameCtx)

      Sets the `altNameCtx` field of this exception.
      Parameters:
        `altNameCtx` - The context relative to which `altName` is named. If null, then the default initial context is implied.
      See Also:
        `getAltNameCtx()`, `setAltName(javax.naming.Name)`

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