THRIFT-2012 Modernizing Go
Patch: Travis Cline
diff --git a/tutorial/go/src/handler.go b/tutorial/go/src/handler.go
new file mode 100644
index 0000000..3d4c18c
--- /dev/null
+++ b/tutorial/go/src/handler.go
@@ -0,0 +1,99 @@
+package main
+
+/*
+ * 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.
+ */
+
+import (
+ "fmt"
+ "shared"
+ "strconv"
+ "tutorial"
+)
+
+type CalculatorHandler struct {
+ log map[int]*shared.SharedStruct
+}
+
+func NewCalculatorHandler() *CalculatorHandler {
+ return &CalculatorHandler{log: make(map[int]*shared.SharedStruct)}
+}
+
+func (p *CalculatorHandler) Ping() (err error) {
+ fmt.Print("ping()\n")
+ return nil
+}
+
+func (p *CalculatorHandler) Add(num1 int32, num2 int32) (retval17 int32, err error) {
+ fmt.Print("add(", num1, ",", num2, ")\n")
+ return num1 + num2, nil
+}
+
+func (p *CalculatorHandler) Calculate(logid int32, w *tutorial.Work) (val int32, ouch *tutorial.InvalidOperation, err error) {
+ fmt.Print("calculate(", logid, ", {", w.Op, ",", w.Num1, ",", w.Num2, "})\n")
+ switch w.Op {
+ case tutorial.Operation_ADD:
+ val = w.Num1 + w.Num2
+ break
+ case tutorial.Operation_SUBTRACT:
+ val = w.Num1 - w.Num2
+ break
+ case tutorial.Operation_MULTIPLY:
+ val = w.Num1 * w.Num2
+ break
+ case tutorial.Operation_DIVIDE:
+ if w.Num2 == 0 {
+ ouch = tutorial.NewInvalidOperation()
+ ouch.What = int32(w.Op)
+ ouch.Why = "Cannot divide by 0"
+ return
+ }
+ val = w.Num1 / w.Num2
+ break
+ default:
+ ouch = tutorial.NewInvalidOperation()
+ ouch.What = int32(w.Op)
+ ouch.Why = "Unknown operation"
+ return
+ }
+ entry := shared.NewSharedStruct()
+ entry.Key = logid
+ entry.Value = strconv.Itoa(int(val))
+ k := int(logid)
+ /*
+ oldvalue, exists := p.log[k]
+ if exists {
+ fmt.Print("Replacing ", oldvalue, " with ", entry, " for key ", k, "\n")
+ } else {
+ fmt.Print("Adding ", entry, " for key ", k, "\n")
+ }
+ */
+ p.log[k] = entry
+ return val, ouch, err
+}
+
+func (p *CalculatorHandler) GetStruct(key int32) (*shared.SharedStruct, error) {
+ fmt.Print("getStruct(", key, ")\n")
+ v, _ := p.log[int(key)]
+ return v, nil
+}
+
+func (p *CalculatorHandler) Zip() (err error) {
+ fmt.Print("zip()\n")
+ return nil
+}