DataBank (CF4J 2.1.0 API Documentation)

java.lang.Object
- es.upm.etsisi.cf4j.data.DataBank

All Implemented Interfaces:

Serializable
```
public class DataBank
extends Object
implements Serializable
```
DataBank is focused on storing heterogeneous data as a support to the calculations made in the recommendation process.
Only the following types are allowed to be stored: boolean, boolean[], int, int[], double, double[], String and String[].

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description

DataBank()

Constructors
Constructor and Description
`DataBank()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`contains(String key)` Finds if an element exist inside the DataBank
`boolean`	`delete(String key)` Deletes a value associated to a single element key.
`void`	`deleteAll()` Deletes all content of this DataBank.
`boolean`	`getBoolean(String key)` Gets an stored boolean inside the DataBank.
`boolean[]`	`getBooleanArray(String key)` Gets an stored boolean array inside the DataBank.
`double`	`getDouble(String key)` Gets an stored double inside the DataBank.
`double[]`	`getDoubleArray(String key)` Gets an stored double array inside the DataBank.
`int`	`getInt(String key)` Gets an stored int inside the DataBank.
`int[]`	`getIntArray(String key)` Gets an stored int array inside the DataBank.
`String`	`getString(String key)` Gets an stored String inside the DataBank.
`String[]`	`getStringArray(String key)` Gets an stored String array inside the DataBank.
`void`	`setBoolean(String key, boolean value)` Sets or stores a boolean inside the DataBank.
`void`	`setBooleanArray(String key, boolean[] value)` Sets or stores a boolean array inside the DataBank.
`void`	`setDouble(String key, double value)` Sets or stores a double inside the DataBank.
`void`	`setDoubleArray(String key, double[] value)` Sets or stores a double array inside the DataBank.
`void`	`setInt(String key, int value)` Sets or stores an int inside the DataBank.
`void`	`setIntArray(String key, int[] value)` Sets or stores an int array inside the DataBank.
`void`	`setString(String key, String value)` Sets or stores an String inside the DataBank.
`void`	`setStringArray(String key, String[] value)` Sets or stores a double array inside the DataBank.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DataBank
```
public DataBank()
```
- Method Detail
  - deleteAll
```
public void deleteAll()
```
    Deletes all content of this DataBank.
  - delete
```
public boolean delete(String key)
```
    Deletes a value associated to a single element key.
    
    Parameters:
    
    key - Key where the data is stored
    
    Returns:
    
    true if the key was found
  - contains
```
public boolean contains(String key)
```
    Finds if an element exist inside the DataBank
    
    Parameters:
    
    key - Key to be searched
    
    Returns:
    
    true if the key exist inside the DataBank
  - setBoolean
```
public void setBoolean(String key,
                       boolean value)
```
    Sets or stores a boolean inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - boolean value to be stored.
  - setBooleanArray
```
public void setBooleanArray(String key,
                            boolean[] value)
```
    Sets or stores a boolean array inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - boolean array to be stored.
  - setInt
```
public void setInt(String key,
                   int value)
```
    Sets or stores an int inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - int value to be stored.
  - setIntArray
```
public void setIntArray(String key,
                        int[] value)
```
    Sets or stores an int array inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - int array to be stored.
  - setDouble
```
public void setDouble(String key,
                      double value)
```
    Sets or stores a double inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - double value to be stored.
  - setDoubleArray
```
public void setDoubleArray(String key,
                           double[] value)
```
    Sets or stores a double array inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - double array to be stored.
  - setString
```
public void setString(String key,
                      String value)
```
    Sets or stores an String inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - String value to be stored.
  - setStringArray
```
public void setStringArray(String key,
                           String[] value)
```
    Sets or stores a double array inside the DataBank.
    
    Parameters:
    
    key - Key where the element will be stored.
    
    value - String array to be stored.
  - getBoolean
```
public boolean getBoolean(String key)
```
    Gets an stored boolean inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored boolean value or null if key does not exists
  - getBooleanArray
```
public boolean[] getBooleanArray(String key)
```
    Gets an stored boolean array inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored boolean array value or null if key does not exists
  - getInt
```
public int getInt(String key)
```
    Gets an stored int inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored int value or null if key does not exists
  - getIntArray
```
public int[] getIntArray(String key)
```
    Gets an stored int array inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored int array value or null if key does not exists
  - getDouble
```
public double getDouble(String key)
```
    Gets an stored double inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored double value or null if key does not exists
  - getDoubleArray
```
public double[] getDoubleArray(String key)
```
    Gets an stored double array inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored double array value or null if key does not exists
  - getString
```
public String getString(String key)
```
    Gets an stored String inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored String value or null if key does not exists
  - getStringArray
```
public String[] getStringArray(String key)
```
    Gets an stored String array inside the DataBank.
    
    Parameters:
    
    key - Key where the element should be stored
    
    Returns:
    
    Stored String array value or null if key does not exists

Class DataBank

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DataBank

Method Detail

deleteAll

delete

contains

setBoolean

setBooleanArray

setInt

setIntArray

setDouble

setDoubleArray

setString

setStringArray

getBoolean

getBooleanArray

getInt

getIntArray

getDouble

getDoubleArray

getString

getStringArray