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/*
* Copyright 2000-2018 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.data;
import java.io.Serializable;
import java.util.Optional;
import java.util.stream.Stream;
/**
* Describes a set of properties that can be used for configuration based on
* property names instead of setter and getter callbacks.
*
* @author Vaadin Ltd
*
* @since 8.0
*
* @param <T>
* the type for which the properties are defined
*/
public interface PropertySet<T> extends Serializable {
/**
* Gets all known properties as a stream.
*
* @return a stream of property names, not <code>null</code>
*/
public Stream<PropertyDefinition<T, ?>> getProperties();
/**
* Gets the definition for the named property, or an empty optional if there
* is no property with the given name.
*
* @param name
* the property name to look for, not <code>null</code>
* @return the property definition, or empty optional if property doesn't
* exist
*/
public Optional<PropertyDefinition<T, ?>> getProperty(String name);
}
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