org.aksw.hawk.cache

Class StorageHelper

java.lang.Object

org.aksw.hawk.cache.StorageHelper

public class StorageHelper
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Constructor and Description
StorageHelper()

Method Summary

Modifier and Type	Method and Description
static <T extends Serializable> T	readFromFile(String filename) Reads and deserializes the object from the file with the given name.
static <T extends Serializable> T	readFromFileSavely(String filename) Reads and deserializes the object from the file with the given name.
static <T extends Serializable> void	storeToFile(T object, String filename) Serializes and stores the given object in the file with the given filename.
static <T extends Serializable> boolean	storeToFileSavely(T object, String filename) Serializes and stores the given object in the file with the given filename.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

Constructor Detail

StorageHelper

public StorageHelper()

Method Detail

readFromFile

public static <T extends Serializable> T readFromFile(String filename)
                                               throws IOException,
                                                      ClassNotFoundException

Reads and deserializes the object from the file with the given name. Note that only the first object will be read from file.

Returns:

The read object.

Throws:

IOException - if an IO error occurs

ClassNotFoundException - if the class inside the file can't be found

readFromFileSavely

public static <T extends Serializable> T readFromFileSavely(String filename)

Reads and deserializes the object from the file with the given name. Note that only the first object will be read from file.

Returns:

The read object or null if an error occurred.

storeToFile

public static <T extends Serializable> void storeToFile(T object,
                                                        String filename)
                                                 throws IOException

Serializes and stores the given object in the file with the given filename.

Throws:

IOException - if an IO error occurs

storeToFileSavely

public static <T extends Serializable> boolean storeToFileSavely(T object,
                                                                 String filename)

Serializes and stores the given object in the file with the given filename.

Returns:

false if an error occurred, else true