org.ff4j.property.store

Class AbstractPropertyStore

java.lang.Object

org.ff4j.property.store.AbstractPropertyStore

All Implemented Interfaces:

PropertyStore

Direct Known Subclasses:

InMemoryPropertyStore, JdbcPropertyStore

public abstract class AbstractPropertyStore
extends Object
implements PropertyStore

Superclass for any property store.

Author:

Cedrick Lunven (@clunven)

Constructor Summary

Constructors

Constructor and Description
AbstractPropertyStore()

Method Summary

Modifier and Type	Method and Description
protected void	assertPropertyExist(String name) Validate property name and existence
protected void	assertPropertyNotExist(String uid) Check that current feature does not exist.
protected void	assertPropertyNotNull(Property<?> property) Validate feature uid.
void	createSchema() Initialize target database with expected schema if needed.
void	importProperties(Collection<Property<?>> properties) Import a set of properties.
Map<String,Property<?>>	importPropertiesFromXmlFile(String xmlConfFile) Initialize store from XML Configuration File.
boolean	isEmpty() Tell if a store is empty
Property<?>	readProperty(String name, Property<?> defaultValue) Read property value and if not found return the default value
String	toJson()
<T> void	updateProperty(Property<T> prop) Update existing property.
void	updateProperty(String name, String newValue) Update existing property.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ff4j.property.store.PropertyStore

clear, createProperty, deleteProperty, existProperty, listPropertyNames, readAllProperties, readProperty

Constructor Detail

AbstractPropertyStore

public AbstractPropertyStore()

Method Detail

importPropertiesFromXmlFile

public Map<String,Property<?>> importPropertiesFromXmlFile(String xmlConfFile)

Initialize store from XML Configuration File.

Parameters:

xmlConfFile - xml configuration file

isEmpty

public boolean isEmpty()

Tell if a store is empty

Specified by:

isEmpty in interface PropertyStore

Returns:

target store

toJson

public String toJson()

assertPropertyExist

protected void assertPropertyExist(String name)

Validate property name and existence

Parameters:

uid - target uid

assertPropertyNotExist

protected void assertPropertyNotExist(String uid)

Check that current feature does not exist.

Parameters:

uid - current feature identifier.s

assertPropertyNotNull

protected void assertPropertyNotNull(Property<?> property)

Validate feature uid.

Parameters:

uid - target uid

updateProperty

public <T> void updateProperty(Property<T> prop)

Update existing property.

Specified by:

updateProperty in interface PropertyStore

updateProperty

public void updateProperty(String name,
                           String newValue)

Update existing property.

Specified by:

updateProperty in interface PropertyStore

Parameters:

name - target name

newValue - new value

importProperties

public void importProperties(Collection<Property<?>> properties)

Import a set of properties.

Specified by:

importProperties in interface PropertyStore

Parameters:

properties - a set of properties

readProperty

public Property<?> readProperty(String name,
                                Property<?> defaultValue)

Read property value and if not found return the default value

Specified by:

readProperty in interface PropertyStore

Parameters:

name - target property name

Returns:

property of exist

createSchema

public void createSchema()

Initialize target database with expected schema if needed.

Specified by:

createSchema in interface PropertyStore