[英]How to pass Map type of parameter to orientdb groovy function from Java
我試圖將Map
作為輸入傳遞給orientdb
groovy函數。 但是Groovy函數正在考慮將我的Map
輸入參數視為String。
請建議如何將輸入參數的Map類型傳遞給orientdb groovy函數。
碼
public void MapInputTest() {
Map < String, Object > inputMap = new HashMap < String, Object > ();
inputMap.put("serviceId", "ETHA12721205");
inputMap.put("serviceId1", "ETHA127212051");
inputMap.put("serviceId2", "ETHA127212052");
g.execute(Script.function("MapInputFunction", inputMap));
System.out.println("returnedString is : ");
}
常規功能:
def MapInputFunction(Map mapInput) {
println("class type of input parameter" + mapInput.getClass())
println("class type " + mapInput)
def tempMap = [: ]
tempMap = mapInput
return tempMap.get('serviceId')
}
錯誤
com.orientechnologies.orient.core.exception.OCommandExecutionException: Failed to execute command: function.MapInputFunction Cause:No signature of method: Script1.MapInputFunction() is applicable for argument types: (java.lang.String, java.lang.String, java.lang.String) values: [ETHA127212051, ETHA12721205, ETHA127212052]
Possible solutions: MapInputFunction2(), MapInputFunction(java.lang.Object)
at platform.orientdb.storage.DataGridStorage.executeCommand(DataGridStorage.java:631)
at platform.orientdb.storage.DataGridStorage.command(DataGridStorage.java:601)
at platform.orientdb.storage.message.CommandMessage.processMessage(CommandMessage.java:27)
at platform.orientdb.storage.message.TxMessage.process(TxMessage.java:52)
at platform.orientdb.storage.actor.TransactionActor.processMessage(TransactionActor.java:71)
at platform.orientdb.storage.actor.ExternalStorageActor.onReceive(ExternalStorageActor.java:16)
at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165)
at akka.actor.Actor$class.aroundReceive(Actor.scala:484)
at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
at akka.actor.ActorCell.invoke(ActorCell.scala:495)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
at akka.dispatch.Mailbox.run(Mailbox.scala:224)
at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)*emphasized text*
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
在腳本中,假設參數的名稱為inputMap
然后發送以下
Map < String, Object > parameters= new HashMap < String, Object > ();
parameters.put("serviceId", "ETHA12721205");
parameters.put("serviceId1", "ETHA127212051");
Map < String, Object > inputMap = new HashMap < String, Object > ();
inputMap.put("inputMap",inputMap)
g.execute(Script.function("MapInputFunction", inputMap));
System.out.println("returnedString is : ");
該腳本將能夠讀取inputMap作為Map數據結構
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