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Class guinea.logic.Item

java.lang.Object
   |
   +----guinea.logic.Item

public class Item
extends Object
implements Cloneable, PropertyLoader, PropertySaver, Serializable

Items are used in two ways. First, the item's are used to store the parameters of the test item. For example, it can contain the names of the samples to be played and other parameters. Second, the item is used to store the results of the item (the answers the subject gave) and other information such as duration of the item test, subject ID of the subject who gave the answers and session ID of the test session.

Variable Index

· isTemplate: Is this item a item template.
· template: The template that was used to create this item by copying it.

Constructor Index

· Item()

Method Index

· clearAllAnswers(): Remove all answers from the answers list.
· clearAnswer(String): Remove an answer from the answers list.
· clone(): Clone the item object.
· getAnswer(String): Get an answer given to this item.
· getAnswers(): Get all answers as a table.
· getDuration(): Get the time it took to test this item.
· getItemID(): Get the item ID of this test item.
· getItemTemplate(): Get the template item this item is based on.
· getNumSwitches(): Get the number of times the subject switched between samples.
· getParameter(String): Get a parameter by name.
· getParameterNames()
· getSessionID(): Get the session ID of this test item.
· getStartTime(): Get the starting time of the test of this item.
· getSubjectID(): Get the subject ID of this test item.
· getTemplateCopy(): Get a copy of this item used as a template.
· isTemplate(): Is this item an template? Templates are used as bases for other items.
· main(String[])
· propertyLoad(Properties, String): Load information from properties to this item.
· propertySave(ExtProperties): Saves item's information to properties.
· setAnswer(String, Object): Set an answer to this item.
· setAnswers(Hashtable): Copies answers to this item from a hash table.
· setDuration(long): Set the time it took to test this item.
· setItemID(String): Set the item ID of this test item.
· setItemTemplate(Item): Set the template for this item.
· setNumSwitches(int): Set the number of times the subject switched between samples.
· setParameter(String, Object): Set value of a parameter.
· setSessionID(String): Set the session ID of this test item.
· setStartTime(long): Set the starting time of the test of this item.
· setSubjectID(String): Set the subject ID of this test item.
· setTemplate(boolean): Set this item as an template.

Variables

· isTemplate

 protected boolean isTemplate

Is this item a item template.

· template

 protected Item template

The template that was used to create this item by copying it.

See Also:: getTemplateCopy

Constructors

· Item

 public Item()

Methods

· setNumSwitches

 public void setNumSwitches(int num)

Set the number of times the subject switched between samples.

Parameters:: num - Number of switches.

· getNumSwitches

 public int getNumSwitches()

Get the number of times the subject switched between samples.

Returns:: Number of switches.

· setSessionID

 public void setSessionID(String id)

Set the session ID of this test item.

Parameters:: id - the session ID.

· getSessionID

 public String getSessionID()

Get the session ID of this test item.

· setSubjectID

 public void setSubjectID(String id)

Set the subject ID of this test item.

Parameters:: id - the subject ID.

· getSubjectID

 public String getSubjectID()

Get the subject ID of this test item.

· setItemID

 public void setItemID(String id)

Set the item ID of this test item.

Parameters:: id - the item ID.

· getItemID

 public String getItemID()

Get the item ID of this test item.

· setStartTime

 public void setStartTime(long stamp)

Set the starting time of the test of this item.

Parameters:: stamp - the time stamp in milliseconds.
See Also:: currentTimeMillis

· getStartTime

 public long getStartTime()

Get the starting time of the test of this item.

Returns:: the time stamp in milliseconds.

· setDuration

 public void setDuration(long millis)

Set the time it took to test this item.

Parameters:: millis - duration in milliseconds.

· getDuration

 public long getDuration()

Get the time it took to test this item.

Returns:: duration in milliseconds.

· isTemplate

 public boolean isTemplate()

Is this item an template? Templates are used as bases for other items.

Returns:: true if this item is a template.

· setTemplate

 public void setTemplate(boolean isTemplate)

Set this item as an template.

Parameters:: isTemplate - true if this item is a template, false if not.

· getItemTemplate

 public Item getItemTemplate()

Get the template item this item is based on.

Returns:: A template item or null if this item had no template.

· setItemTemplate

 public void setItemTemplate(Item template)

Set the template for this item.

Parameters:: template - A item template.

· setParameter

 public void setParameter(String pname,
                          Object value)

Set value of a parameter.

Parameters:: pname - Name of the parameter.; value - Value of the parameter.

· setAnswer

 public void setAnswer(String name,
                       Object answer)

Set an answer to this item.

Parameters:: name - Name of the question (a question ID).; answer - The answer object. If answer is null, the answer for that question is removed from the questions list (with clearAnswer()).

· getAnswer

 public Object getAnswer(String name)

Get an answer given to this item.

Parameters:: name - the name of question (a question ID)
Returns:: the answer or null if answer with that name was not given.

· clearAnswer

 public Object clearAnswer(String name)

Remove an answer from the answers list.

Parameters:: name - The name of the guestion (a question ID) whose answer to remove.
Returns:: The removed answer from the answers list or null there wasn't an answer for that question in the list.

· clearAllAnswers

 public Dictionary clearAllAnswers()

Remove all answers from the answers list.

Returns:: The answers of the item before clearing them or null if answer list was initially empty.

· getAnswers

 public Hashtable getAnswers()

Get all answers as a table.

Returns:: a Hashtable containg the answers with question IDs as keys.

· setAnswers

 public void setAnswers(Hashtable answers)

Copies answers to this item from a hash table.

Parameters:: answers - a Hashtable containing answers with question IDs as keys.

· getParameter

 public Object getParameter(String pname)

Get a parameter by name.

Parameters:: pname - name of parameter
Returns:: returns value of parameter or null if not found

· getParameterNames

 public String[] getParameterNames()

· propertySave

 public void propertySave(ExtProperties p)

Saves item's information to properties.

Parameters:: p - where to save information.

· propertyLoad

 public void propertyLoad(Properties p,
                          String name) throws IllegalArgumentException

Load information from properties to this item.

· getTemplateCopy

 public Item getTemplateCopy()

Get a copy of this item used as a template. This is same as clone() except that a copied item is not a template and its template is set to this template object. This method is used when loading test items from file.

Returns:: A copy of an item.

· clone

 public Object clone()

Clone the item object.

Returns:: A clone of the item.
Overrides:: clone in class Object

· main

 public static void main(String args[]) throws Exception

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