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- /*
- * Copyright 2000-2016 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
- *
- * @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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