com.vaadin.flow.internal.nodefeature

Class AbstractPropertyMap

java.lang.Object

com.vaadin.flow.internal.nodefeature.NodeFeature

com.vaadin.flow.internal.nodefeature.NodeMap

com.vaadin.flow.internal.nodefeature.AbstractPropertyMap

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ElementPropertyMap, ElementStylePropertyMap

public abstract class AbstractPropertyMap
extends NodeMap

Abstract class to be used as a parent for node maps which supports setting properties in a map.

Since:

1.0

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractPropertyMap(StateNode node) Creates a new element property map for the given node.

Method Summary

Modifier and Type	Method and Description
Serializable	getProperty(String name) Gets the value of the given property.
Stream<String>	getPropertyNames() Gets the property names.
boolean	hasProperty(String name) Checks whether there is a property of the given name.
static boolean	isValidValueType(Serializable value) Checks if the given value is of a supported type.
void	removeAllProperties() Removes all properties.
void	removeProperty(String name) Removes the given property.
void	setProperty(String name, Serializable value, boolean emitChange) Sets a property to the given value.

Methods inherited from class com.vaadin.flow.internal.nodefeature.NodeMap

clear, collectChanges, contains, forEachChild, generateChangesFromEmpty, get, getOrDefault, getOrDefault, getOrDefault, keySet, mayUpdateFromClient, put, put, remove, updateFromClient

Methods inherited from class com.vaadin.flow.internal.nodefeature.NodeFeature

allowsChanges, attachPotentialChild, detatchPotentialChild, getNode, onAttach, onDetach

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractPropertyMap

public AbstractPropertyMap(StateNode node)

Creates a new element property map for the given node.

Parameters:

node - the node that the map belongs to

Method Detail

setProperty

public void setProperty(String name,
                        Serializable value,
                        boolean emitChange)

Sets a property to the given value.

Parameters:

name - the property name

value - the value, must be a string, a boolean, a double or null

emitChange - true to create a change event for the client side

hasProperty

public boolean hasProperty(String name)

Checks whether there is a property of the given name.

Parameters:

name - the name of the property

Returns:

true if there is a property with the given name; false if there is no property

removeProperty

public void removeProperty(String name)

Removes the given property.

Parameters:

name - the name of the property to remove

removeAllProperties

public void removeAllProperties()

Removes all properties.

getProperty

public Serializable getProperty(String name)

Gets the value of the given property.

Parameters:

name - the name of the property

Returns:

the property value; null if there is no property or if the value is explicitly set to null

getPropertyNames

public Stream<String> getPropertyNames()

Gets the property names.

Returns:

a stream containing all the property names that have been set

isValidValueType

public static boolean isValidValueType(Serializable value)

Checks if the given value is of a supported type.

Parameters:

value - the value to check, may be null

Returns:

true if the type is supported, false otherwise