/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.zookeeper.inspector.manager;
import java.util.List;
import java.util.Map;
/**
* A Manager for all read only interactions between the application and a node
* in a Zookeeper instance
*/
public interface ZooInspectorReadOnlyManager {
/**
* @param nodePath
* - the path to the node to delete
* @return the data for the node
*/
public abstract String getData(String nodePath);
/**
* @param nodePath
* - the path to the node to delete
* @return the metaData for the node
*/
public abstract Map<String, String> getNodeMeta(String nodePath);
/**
* @param nodePath
* - the path to the node to delete
* @return the ACLs set on the node
*/
public abstract List<Map<String, String>> getACLs(String nodePath);
/**
* @return the metaData for the current session
*/
public abstract Map<String, String> getSessionMeta();
/**
* @param nodePath
* - the path to the node to delete
* @return true if the node has children
*/
public abstract boolean hasChildren(String nodePath);
/**
* @param nodePath
* - the path to the node to delete
* @return the index of the node within its siblings
*/
public abstract int getNodeIndex(String nodePath);
/**
* @param nodePath
* - the path to the node to delete
* @return the number of children of the node
*/
public abstract int getNumChildren(String nodePath);
/**
* @param nodePath
* - the path to the node to delete
* @param childIndex
* - the index to the node in the list of node children
* @return the path to the node for the child of the nodePath at childIndex
*/
public abstract String getNodeChild(String nodePath, int childIndex);
/**
* @param nodePath
* - the path to the node to delete
* @return true if the node allows children nodes
*/
public abstract boolean isAllowsChildren(String nodePath);
/**
* @param nodePath
* - the path to the node to delete
* @return a {@link List} of the children of the node
*/
public abstract List<String> getChildren(String nodePath);
}