Package com.storedobject.common

Interface DataSet

All Known Implementing Classes:

HashDataSet, ObjectData

public interface DataSet

An interface that defines some sort of data with attributes. Attribute values is gettable and optionally settable.

Author:

Syam

Method Summary

Modifier and Type	Method	Description
void	add(String key)	Add an attribute key.
boolean	canSet(String key)	Check whether an attribute can be set or not.
Object	get(String key)	Get the value for the given attribute.
default Class<?>	getType(String key)	Get the value-type of the given attribute.
StringList	keys()	Get the keys a list.
void	remove(String key)	Remove an attribute key.
void	set(String key, Object value)	Set an attribute value.

Method Details

set

void set(String key,
 Object value)

Set an attribute value.

Parameters:

key - Key of the attribute.

value - Value to set.

canSet

boolean canSet(String key)

Check whether an attribute can be set or not. It is not mandatory that an attribute is settable.

Parameters:

key - Key of the attribute.

Returns:

True/false.

get

Object get(String key)

Get the value for the given attribute.

Parameters:

key - Key of the attribute.

Returns:

Value of the attribute.

keys

StringList keys()

Get the keys a list.

Returns:

Keys.

add

void add(String key)

Add an attribute key.

Parameters:

key - Key to be added.

remove

void remove(String key)

Remove an attribute key.

Parameters:

key - Key to be removed.

getType

default Class<?> getType(String key)

Get the value-type of the given attribute.

Parameters:

key - Key of the attribute.

Returns:

Value-type of the attribute.