com.infoengine.object.factory
Class Task

java.lang.Object
  com.infoengine.object.factory.Task

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

BasicTasklet, BusinessTask

public class Task

extends Object

implements Serializable

See Also:

Serialized Form

Field Summary

static String	AUTH_MAP
static String	CONTEXT
private static int	counter
private IeRequest	myRequest
private Webject	myWebject
static String	SOURCE
static String	STATUS
static String	TASKS
static String	VDB
static String	WEBJECTS

Constructor Summary

Task()
Constructs an unnamed task.

Task(IeRequest req)
Construcst a task wrapper around an incoming request.

Task(String name)
Constructs a named task.

Task(Webject webject)
Constructs a task wrapper around an existing webject.

Method Summary

void	addContext(Group grp) Adds a context group to this task.
void	addError(String message, int status) Adds an error message and status to this task.
void	addInput(Group grp) Deprecated.
void	addOutput(Group grp) Deprecated.
void	addOutput(String data) Deprecated.
void	addVdb(Group grp) Adds a VDB group to this task.
void	addVdb(String data) Adds an output string to this task.
Webject	bindParams() Binds parameters to the webject wrapped in this task.
Webject	bindParams(Webject webject) Binds parameters to a specific webject.
protected void	checkWebjects()
void	clearInput() Deprecated.
Task	deepClone() Creates a deep copy of this task.
Element	getAuthElement(String key) Returns the authentication map element associated with a specified instance key.
IeCollection	getContext() Returns a collection containing the context groups of this task.
IeGroup	getContext(String name) Returns a named context group contained within this task.
Group	getContextGroup(String name) Returns a named context group contained within this task.
String	getDesc() Returns the description currently assigned to this task.
Group	getGroupIn() Returns the default input group for this task.
Group	getGroupIn(String name) Returns a named input group for this task.
Group	getGroupOut() Returns the default output group from this task.
Group	getGroupOut(String name) Returns a named output group contained within this task.
IeCollection	getInput() Deprecated.
Group	getInput(String name) Deprecated.
Enumeration	getInputGroups() Returns all input groups contained within this task.
Enumeration	getInputs() Deprecated.
IeMultipartInputStream	getInputStream() Returns the input stream currently assigned to this task.
String	getMessage() Returns the concatenation of the error messages attached to this task.
Enumeration	getMessages() Returns the error messages attached to this task.
IeMultipartInputStream	getMimeInputStream() Deprecated. use getInputStream instead
String	getName() Returns the name of this task.
IeCollection	getOutput() Deprecated.
Group	getOutput(String name) Deprecated.
Enumeration	getOutputGroups() Returns all output groups contained within this task.
IeMultipartOutputStream	getOutputStream() Returns the output stream currently assigned to this task.
String	getPassword() Returns the password currently assigned to this task.
IeRequest	getRequest() Returns the standard request used to pass this task to a service.
String	getSource() Returns the source currently assigned to this task.
int	getStatus() Returns the status of this task
String	getType() Returns the type of this task.
String	getUserName() Returns the user name currently assigned to this task.
Enumeration	getVariables(String lex, Param param)
IeCollection	getVdb() Returns the collection containing VDB groups for the task.
Group	getVdb(String name) Returns a named group from the collection containing VDB groups for the task.
Group	getVdbIn() Returns the default VDB group for this task.
Group	getVdbIn(String name) Returns a named VDB group contained within this task.
Webject	getWebject() Returns the webject that this task wraps.
protected static IeRequest	newStructure() Builds a new empty request for this task.
private static int	nextSeqNo()
void	printTree() Prints the structure of the task to System.out.
void	removeInput(Group grp) Deprecated.
void	removeVdb(Group grp) Removes a VDB group from this task.
void	setContext(IeCollection collection) Sets the collection containing the context groups for this task.
void	setDesc(String desc) Sets the description of this task.
void	setInput(IeCollection collection) Deprecated.
void	setInputStream(IeMultipartInputStream in) Sets the input stream to be used by this task.
void	setName(String name) Sets the name of this task.
void	setOutputStream(IeMultipartOutputStream out) Sets the output stream to be used by this task.
void	setPassword(String pwd) Sets the password of this task.
void	setSource(String source) Sets the source for this task.
void	setType(String type) Sets the type of this task.
void	setUserName(String name) Sets the user name of this task.
void	setVdb(IeCollection collection) Sets the collection containing the VDB groups for this task.
void	setWebject(Webject webject) Sets the webject that this task wraps.
Enumeration	subVariables(String in)

Methods inherited from class java.lang.Object

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

Field Detail

counter

private static int counter

AUTH_MAP

public static final String AUTH_MAP

See Also:

Constant Field Values

CONTEXT

public static final String CONTEXT

See Also:

Constant Field Values

SOURCE

public static final String SOURCE

See Also:

Constant Field Values

TASKS

public static final String TASKS

See Also:

Constant Field Values

WEBJECTS

public static final String WEBJECTS

See Also:

Constant Field Values

VDB

public static final String VDB

See Also:

Constant Field Values

STATUS

public static final String STATUS

See Also:

Constant Field Values

myRequest

private IeRequest myRequest

myWebject

private Webject myWebject

Constructor Detail

Task

public Task()

Constructs an unnamed task.

Task

public Task(String name)

Constructs a named task.

Parameters:

name - the name to be assigned to the task

Task

public Task(Webject webject)

Constructs a task wrapper around an existing webject.

Parameters:

webject - the webject to be wrapped in a task

Task

public Task(IeRequest req)

Construcst a task wrapper around an incoming request.

Parameters:

req - the request to be wrapped in a task

Method Detail

getRequest

public IeRequest getRequest()

Returns the standard request used to pass this task to a service.

Returns:

This task's service request.

addError

public void addError(String message,
                     int status)

Adds an error message and status to this task.

Parameters:

message - The error message.

status - The status code.

getStatus

public int getStatus()

Returns the status of this task

Returns:

The integer value representing the status of the task.

getMessages

public Enumeration getMessages()

Returns the error messages attached to this task.

Returns:

All of the error/warning messages.

getMessage

public String getMessage()

Returns the concatenation of the error messages attached to this task.

Returns:

All of the error/warning messages concatenated together

getAuthElement

public Element getAuthElement(String key)

Returns the authentication map element associated with a specified instance key. The instance key usually comes from an INSTANCE parameter on an ACT or OBJ webject.

Parameters:

key - the instance key of the element to find

Returns:

Element authentication map element, or null if instance not found in the authentication map

getWebject

public Webject getWebject()

Returns the webject that this task wraps.

Returns:

This task's webject.

setInputStream

public void setInputStream(IeMultipartInputStream in)

Sets the input stream to be used by this task.

Parameters:

in - the input stream

getInputStream

public IeMultipartInputStream getInputStream()

Returns the input stream currently assigned to this task.

Returns:

The input stream assigned to this task, or null if no such input stream is currently assigned.

getMimeInputStream

public IeMultipartInputStream getMimeInputStream()

Deprecated. use getInputStream instead

Returns the MIME input stream currently assigned to this task.

Returns:

The MIME input stream assigned to this task, or null if no such input stream is currently assigned.

setOutputStream

public void setOutputStream(IeMultipartOutputStream out)

Sets the output stream to be used by this task.

Parameters:

out - the output stream

getOutputStream

public IeMultipartOutputStream getOutputStream()

Returns the output stream currently assigned to this task.

Returns:

The output stream assigned to this task

setWebject

public void setWebject(Webject webject)

Sets the webject that this task wraps. Normally, this is the webject that this task will execute.

Parameters:

webject - The webject to be wrapped in this task.

getName

public String getName()

Returns the name of this task.

Returns:

The task's current name.

setName

public void setName(String name)

Sets the name of this task.

Parameters:

name - The task's new name.

setPassword

public void setPassword(String pwd)

Sets the password of this task.

Parameters:

pwd - The task's new password.

getPassword

public String getPassword()

Returns the password currently assigned to this task.

Returns:

The task's current password.

setUserName

public void setUserName(String name)

Sets the user name of this task.

Parameters:

name - The task's new user name.

getUserName

public String getUserName()

Returns the user name currently assigned to this task.

Returns:

The task's current user name.

setDesc

public void setDesc(String desc)

Sets the description of this task.

Parameters:

desc - The task's new description.

getDesc

public String getDesc()

Returns the description currently assigned to this task.

Returns:

The task's current description.

getType

public String getType()

Returns the type of this task.

Returns:

The task's current type.

setType

public void setType(String type)

Sets the type of this task.

Parameters:

type - The task's new type.

getSource

public String getSource()

Returns the source currently assigned to this task.

Returns:

The task's current source string.

setSource

public void setSource(String source)

Sets the source for this task.

Parameters:

source - The task's new source string.

getContextGroup

public Group getContextGroup(String name)

Returns a named context group contained within this task.

Parameters:

name - The name of the desired context group.

Returns:

The named context group, or null if the group is not found in the task.

clearInput

public void clearInput()

Deprecated.

Removes all input groups from this task.

removeInput

public void removeInput(Group grp)

Deprecated.

Removes an input group from this task.

Parameters:

grp - The group of objects to be removed.

removeVdb

public void removeVdb(Group grp)

Removes a VDB group from this task.

Parameters:

grp - The group of objects to be removed.

addInput

public void addInput(Group grp)

Deprecated.

Adds an input group to this task.

Parameters:

grp - A group of objects for input to this task.

addVdb

public void addVdb(Group grp)

Adds a VDB group to this task. If the group already exists, it is replaced.

Parameters:

grp - The group to add.

getGroupIn

public Group getGroupIn()

Returns the default input group for this task.

Returns:

The default input group.

getGroupIn

public Group getGroupIn(String name)

Returns a named input group for this task.

Parameters:

name - The name of the desired input group.

Returns:

The named input group, or null if the group is not found in the task.

getVdbIn

public Group getVdbIn()

Returns the default VDB group for this task.

Returns:

The default VDB group.

getVdbIn

public Group getVdbIn(String name)

Returns a named VDB group contained within this task.

Parameters:

name - The name of the desired VDB group.

Returns:

The named VDB group, or null if the group is not found in this task.

getInputGroups

public Enumeration getInputGroups()

Returns all input groups contained within this task.

Returns:

The input groups.

addOutput

public void addOutput(String data)

Deprecated.

Adds an output string to this task.

Parameters:

data - The string to add to the output of this task.

addVdb

public void addVdb(String data)

Adds an output string to this task.

Parameters:

data - The string to add to the output of this task.

addOutput

public void addOutput(Group grp)

Deprecated.

Adds an output group to this task.

Parameters:

grp - A group of objects to be added to the output of this task.

getGroupOut

public Group getGroupOut()

Returns the default output group from this task.

Returns:

The default output group.

getGroupOut

public Group getGroupOut(String name)

Returns a named output group contained within this task.

Parameters:

name - The name of the desired output group.

Returns:

The named output group, or null if the group is not found within this task.

getOutputGroups

public Enumeration getOutputGroups()

Returns all output groups contained within this task.

Returns:

The output groups.

bindParams

public Webject bindParams()

Binds parameters to the webject wrapped in this task. During the binding process, parameter values are evaluated and substitution is performed.

Returns:

A new webject derived from the wrapped one, but with evaluated parameters bound to it. This new webject replaces the original unbound one as the webject wrapped in this task.

bindParams

public Webject bindParams(Webject webject)

Binds parameters to a specific webject. During the binding process, parameter values are evaluated and substitution is performed.

Parameters:

webject - The webject to which parameters will be bound.

Returns:

A new webject derived from the specified one, but with evaluated parameters bound to it.

subVariables

public Enumeration subVariables(String in)

getVariables

public Enumeration getVariables(String lex,
                                Param param)

nextSeqNo

private static int nextSeqNo()

getContext

public IeCollection getContext()

Returns a collection containing the context groups of this task.

Returns:

The collection containing the context groups.

getContext

public IeGroup getContext(String name)

Returns a named context group contained within this task.

Returns:

The named context group, or null if the group is not found within this task.

setContext

public void setContext(IeCollection collection)

Sets the collection containing the context groups for this task. This replaces any previous collection that might have been established as the context collection.

Parameters:

collection - the new collection to be established as the one containing context groups for this task.

setInput

public void setInput(IeCollection collection)

Deprecated.

Sets the collection containing the input groups for this task. This replaces any previous collection that might have been established as the input collection.

Parameters:

collection - the new collection to be established as the one containing input groups for this task.

setVdb

public void setVdb(IeCollection collection)

Sets the collection containing the VDB groups for this task. This replaces any previous collection that might have been established as the VDB collection.

Parameters:

collection - the new collection to be established as the one containing VDB groups for this task.

addContext

public void addContext(Group grp)

Adds a context group to this task.

Parameters:

grp - The context group (FORM, SERVER, etc.)

getInputs

public Enumeration getInputs()

Deprecated.

Returns the names of all input groups contained within this task.

Returns:

The names of all input groups in the task.

getInput

public IeCollection getInput()

Deprecated.

Returns the collection containing input groups for the task.

Returns:

The collection containing the task's current input groups.

getInput

public Group getInput(String name)

Deprecated.

Returns a named group from the collection containing input groups for the task.

Parameters:

name - The name of the input group desired.

Returns:

The named input group, or null if the group is not found in the task.

getOutput

public IeCollection getOutput()

Deprecated.

Returns the collection containing output groups for the task.

Returns:

The collection containing the task's current output groups.

getOutput

public Group getOutput(String name)

Deprecated.

Returns a named group from the collection containing output groups for the task.

Parameters:

name - The name of the output group desired.

Returns:

The named output group, or null if the group is not found in the task.

getVdb

public IeCollection getVdb()

Returns the collection containing VDB groups for the task.

Returns:

The collection containing the task's current VDB groups.

getVdb

public Group getVdb(String name)

Returns a named group from the collection containing VDB groups for the task.

Parameters:

name - The name of the VDB group desired.

Returns:

The named VDB group, or null if the group is not found in the task.

newStructure

protected static IeRequest newStructure()

Builds a new empty request for this task.

Returns:

The new service request.

checkWebjects

protected void checkWebjects()

deepClone

public Task deepClone()

Creates a deep copy of this task.

Returns:

The cloned task.

printTree

public void printTree()

Prints the structure of the task to System.out.