Package org.opennms.features.vaadin.dashboard.config.ui.editors

Class CriteriaBuilderHelper

java.lang.Object

org.opennms.features.vaadin.dashboard.config.ui.editors.CriteriaBuilderHelper

public class CriteriaBuilderHelper
extends Object

This class is used to construct a criteria model based on the OpenNMS' model classes.

Author:

Christian Pape

Constructor Summary

Constructors

Constructor	Description
CriteriaBuilderHelper(Class<?> entityType, Class<?>... aliasTypes)	Constructor used to instantiate new objects.

Method Summary

Modifier and Type	Method	Description
static String	decode(String string)
void	dump()	Dumps all the entities data to System.out.
static String	encode(String string)
Set<String>	getEntities()	Returns the entities used in this instance.
Class<?>	getTypeOfProperty(String property)	Returns the type of a given property.
void	parseConfiguration(CriteriaBuilder criteriaBuilder, String configurationString)	This method parses a criteria configuration and adds the given restrictions to the CriteriaBuilder instance.
Object	parseCriteriaValue(Class<?> clazz, String value)	This method is used for parsing a criteria value.
void	setCriteriaParser(Class<?> clazz, CriteriaParser<?> criteriaParser)	Sets a CriteriaParser for a given class.

Methods inherited from class java.lang.Object

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

Constructor Detail

CriteriaBuilderHelper

public CriteriaBuilderHelper(Class<?> entityType,
                             Class<?>... aliasTypes)

Constructor used to instantiate new objects.

Parameters:

entityType - the base entity class

aliasTypes - the remaining "joined" model classes

Method Detail

parseCriteriaValue

public Object parseCriteriaValue(Class<?> clazz,
                                 String value)

This method is used for parsing a criteria value.

Parameters:

clazz - the type class

value - the value to be parsed

Returns:

a new instance representing the value

getTypeOfProperty

public Class<?> getTypeOfProperty(String property)

Returns the type of a given property.

Parameters:

property - the property to search for

Returns:

the associated type

setCriteriaParser

public void setCriteriaParser(Class<?> clazz,
                              CriteriaParser<?> criteriaParser)

Sets a CriteriaParser for a given class.

Parameters:

clazz - the class to be used

criteriaParser - the CriteriaParser to handle data for the class

parseConfiguration

public void parseConfiguration(CriteriaBuilder criteriaBuilder,
                               String configurationString)

This method parses a criteria configuration and adds the given restrictions to the CriteriaBuilder instance.

Parameters:

criteriaBuilder - the CriteriaBuilder to be used

configurationString - the criteria configuration string

decode

public static String decode(String string)

encode

public static String encode(String string)

dump

public void dump()

Dumps all the entities data to System.out.

getEntities

public Set<String> getEntities()

Returns the entities used in this instance.

Returns:

the entities