edu.northwestern.at.utils
Class IDList

java.lang.Object
  edu.northwestern.at.utils.IDList

public class IDList
extends java.lang.Object

A list of Longs, typically used as database IDs.

Field Summary

protected java.util.ArrayList

ids The IDs in the list, in order.

Constructor Summary

IDList()
Create an empty ID list.

IDList(java.util.Collection ids)
Create a list with specified IDs.

IDList(java.lang.Long[] ids)
Create a list with specified IDs.

Method Summary

void	add(java.lang.Long id) Add an ID to the end of the list.
void	clear() Clears the ids.
boolean	equals(java.lang.Object obj) Returns true if some other id list is equal to this one.
java.util.ArrayList	getIDs() Gets IDs.
int	getNumIDs() Get the number of IDs.
int	hashCode() Returns a hash code for the object.
java.lang.String	toString() Gets a string representation of the phrase.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ids

protected java.util.ArrayList ids

The IDs in the list, in order.

Constructor Detail

IDList

public IDList()

Create an empty ID list.

IDList

public IDList(java.lang.Long[] ids)

Create a list with specified IDs.

Parameters:

ids - The IDs.

IDList

public IDList(java.util.Collection ids)

Create a list with specified IDs.

Parameters:

ids - Collection of IDs.

Method Detail

add

public void add(java.lang.Long id)

Add an ID to the end of the list.

Parameters:

id - The ID to add to the end of the list.

getIDs

public java.util.ArrayList getIDs()

Gets IDs.

Returns:

The IDs.

getNumIDs

public int getNumIDs()

Get the number of IDs.

Returns:

Number of IDs.

clear

public void clear()

Clears the ids.

toString

public java.lang.String toString()

Gets a string representation of the phrase.

Overrides:

toString in class java.lang.Object

Returns:

The word tags in the phrase set.

equals

public boolean equals(java.lang.Object obj)

Returns true if some other id list is equal to this one.

The two lists are equal if their id entries are equal.

Overrides:

equals in class java.lang.Object

Parameters:

obj - The other object.

Returns:

True if this object equals the other object.

hashCode

public int hashCode()

Returns a hash code for the object.

Overrides:

hashCode in class java.lang.Object

Returns:

The hash code.