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/*-
* ============LICENSE_START=======================================================
* ONAP - CCSDK
* ================================================================================
* Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.ccsdk.sli.plugins.yangserializers;
import java.util.Map;
/**
* Abstraction of an entity which helps the data format serializers to obtain
* schema context details and to build properties from data.
*
* @param <T> type of schema node
*/
public abstract class SerializerHelper<T> {
private T rootSchema;
private String rootURI;
protected SerializerHelper(T t, String uri) {
rootSchema = t;
}
/**
* Returns root schema context node.
*
* @return root schema context node
*/
protected abstract T getRootContext();
/**
* Returns current schema context node.
*
* @return current schema context node
*/
protected abstract T getCurContext();
/**
* Returns child schema context node.
*
* @return child schema context node
*/
protected abstract T getChildContext(T t, String name, String namespace);
/**
* Returns type of node
* @param t node
* @return node type
*/
protected abstract NodeType getNodeType(T t);
/**
* Adds a node to current tree.
*
* @param name name of node
* @param namespace namespace of node, it can be either module name or
* namespace, null indicates parent namespace
* @param value value of node, in case it's leaf/leaf-list node
* @param valNamespace value namespace for identityref, could be module
* name or namespace
* @param type type of node if known like in case of JSON
*/
protected abstract void addNode(String name, String namespace, String value,
String valNamespace, NodeType type);
/**
* Exits the node, in case if it's leaf node add to properties map.
*/
protected abstract void exitNode();
/**
* Returns the properties built corresponding to data.
*
* @return properties map
*/
protected abstract Map<String, String> getProperties();
}
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