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Diffstat (limited to 'src/jaegertracing/thrift/lib/nodejs/examples/parse.js')
-rw-r--r-- | src/jaegertracing/thrift/lib/nodejs/examples/parse.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/nodejs/examples/parse.js b/src/jaegertracing/thrift/lib/nodejs/examples/parse.js new file mode 100644 index 000000000..168a1aeea --- /dev/null +++ b/src/jaegertracing/thrift/lib/nodejs/examples/parse.js @@ -0,0 +1,46 @@ +/* + * 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. + */ +/** + + This is a standalone deserialize/parse example if you just want to deserialize + thrift decoupled from cassandra server + + 1. acquire thrift template specification files from who ever built it (eg: EXAMPLE.thrift) + + 2. Install thrift on local machine + + 3. generate thrift clients for nodejs using template specification files (#1) + thrift --gen js:node schema/EXAMPLE.thrift + + This creates creates gen-node.js directory containing a new file, GENERATED.js + + 4. Inside GENERATED.js is a class you will want to instanciate. Find this class name and plug + it into the example code below (ie, "YOUR_CLASS_NAME") + */ + +function parseThrift(thriftEncodedData, callback) { + var thrift = require('thrift'); + var transport = new thrift.TFramedTransport(thriftEncodedData); + var protocol = new thrift.TBinaryProtocol(transport); + + var clientClass = require('../gen-nodejs/GENERATED').YOUR_CLASS_NAME; + var client = new clientClass(); + client.read(protocol); + callback(null, client); +} |