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/*
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* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var batchProviders;
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batchProviders = function () {
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var operations = {};
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var CONTENT_TYPE_JSON = "application/json";
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var JS_MAX_VALUE = "9007199254740992";
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var JS_MIN_VALUE = "-9007199254740992";
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var tableName = "ORG_WSO2_GEO_FUSEDSPATIALEVENT";
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var typeMap = {
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"bool": "string",
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"boolean": "string",
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"string": "string",
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"int": "number",
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"integer": "number",
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"long": "number",
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"double": "number",
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"float": "number",
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"time": "time"
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};
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var log = new Log();
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var carbon = require('carbon');
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var JSUtils = Packages.org.wso2.carbon.analytics.jsservice.Utils;
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var AnalyticsCachedJSServiceConnector = Packages.org.wso2.carbon.analytics.jsservice.AnalyticsCachedJSServiceConnector;
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var AnalyticsCache = Packages.org.wso2.carbon.analytics.jsservice.AnalyticsCachedJSServiceConnector.AnalyticsCache;
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var cacheTimeoutSeconds = 5;
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var cacheSizeBytes = 1024 * 1024 * 1024; // 1GB
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response.contentType = CONTENT_TYPE_JSON;
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var cache = application.get("AnalyticsWebServiceCache");
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if (cache == null) {
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cache = new AnalyticsCache(cacheTimeoutSeconds, cacheSizeBytes);
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application.put("AnalyticsWebServiceCache", cache);
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}
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var connector = new AnalyticsCachedJSServiceConnector(cache);
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/**
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* returns an array of column names & types
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* @param providerConfig
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*/
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operations.getSchema = function (loggedInUser) {
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var schema = [];
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var result = connector.getTableSchema(loggedInUser, tableName).getMessage();
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result = JSON.parse(result);
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var columns = result.columns;
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Object.getOwnPropertyNames(columns).forEach(function (name, idx, array) {
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var type = "ordinal";
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if (columns[name]['type']) {
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type = columns[name]['type'];
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}
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schema.push({
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fieldName: name,
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fieldType: typeMap[type.toLowerCase()]
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});
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});
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// log.info(schema);
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return schema;
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};
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/**
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* returns the actual data
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* @param providerConfig
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* @param limit
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*/
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operations.getData = function (loggedInUser, deviceId, deviceType) {
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var luceneQuery = "";
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var limit = 100;
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var result;
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//if there's a filter present, we should perform a Lucene search instead of reading the table
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if (luceneQuery) {
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luceneQuery = 'id:"' + deviceId + '" AND type:"' + deviceType + '"';
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var filter = {
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"query": luceneQuery,
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"start": 0,
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"count": limit
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};
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result = connector.search(loggedInUser, tableName, stringify(filter)).getMessage();
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} else {
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var from = JS_MIN_VALUE;
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var to = JS_MAX_VALUE;
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result = connector.getRecordsByRange(loggedInUser, tableName, from, to, 0, limit, null).getMessage();
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}
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result = JSON.parse(result);
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var data = [];
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for (var i = 0; i < result.length; i++) {
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var values = result[i].values;
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data.push(values);
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}
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return data;
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};
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return operations;
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}();
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