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node-red/red/nodes/index.js

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/**
* Copyright 2013, 2014 IBM Corp.
*
* 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.
**/
var registry = require("./registry");
var credentials = require("./credentials");
var flows = require("./flows");
var Node = require("./Node");
/**
* Registers a node constructor
* @param type - the string type name
* @param constructor - the constructor function for this node type
* @param opts - optional additional options for the node
*/
function registerType(type,constructor,opts) {
if (opts && opts.credentials) {
credentials.register(type,opts.credentials);
}
registry.registerType(type,constructor);
}
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/**
* Called from a Node's constructor function, invokes the super-class
* constructor and attaches any credentials to the node.
* @param node the node object being created
* @param def the instance definition for the node
*/
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function createNode(node,def) {
Node.call(node,def);
var creds = credentials.get(node.id);
if (creds) {
node.credentials = creds;
}
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}
function init(_settings,storage) {
credentials.init(storage);
flows.init(storage);
registry.init(_settings);
}
module.exports = {
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// Lifecycle
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init: init,
load: registry.load,
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// Node registry
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createNode: createNode,
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getNode: flows.get,
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// Node type registry
registerType: registerType,
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getType: registry.get,
getNodeList: registry.getNodeList,
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getNodeConfigs: registry.getNodeConfigs,
getNodeConfig: registry.getNodeConfig,
clearRegistry: registry.clear,
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// Flow handling
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loadFlows: flows.load,
stopFlows: flows.stopFlows,
setFlows: flows.setFlows,
getFlows: flows.getFlows,
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// Credentials
addCredentials: credentials.add,
getCredentials: credentials.get,
deleteCredentials: credentials.delete
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}