/** * Copyright (C) 2015 Valkyrie RCP * * 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 org.valkyriercp.binding; import java.util.Map; /** * Simple interface for accessing metadata about a particular property. * * @author Keith Donald */ public interface PropertyMetadataAccessStrategy { /** * Determine if the given property is readable. * * @param propertyName property to examine. * @return <code>true</code> if the property is readable. */ boolean isReadable(String propertyName); /** * Determine if the given property is writeable. * * @param propertyName property to examine. * @return <code>true</code> if the property is writeable. */ boolean isWriteable(String propertyName); /** * Get the type of the given property. * * @param propertyName property to examine. * @return the type of the property. */ Class getPropertyType(String propertyName); /** * Returns custom metadata that may be associated with the specified * property path. * * @param propertyName property to examine. * @param key used to retreive the metadata. * @return Object stored under the given key. */ Object getUserMetadata(String propertyName, String key); /** * Returns all custom metadata associated with the specified property in the * form of a Map. * * @param propertyName property to examine. * @return Map containing String keys - this method may or may not return * <code>null</code> if there is no custom metadata associated with the * property. */ Map getAllUserMetadata(String propertyName); }