RequestMessage (Apache TinkerPop 3.8.0-SNAPSHOT API)

java.lang.Object
- org.apache.tinkerpop.gremlin.util.message.RequestMessage

```
public final class RequestMessage
extends Object
```
The model for a request message sent to the server.

Author:

Stephen Mallette (http://stephen.genoprime.com)

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class RequestMessage.Builder
Builder class for RequestMessage.

Field Summary

Fields
Modifier and Type Field Description

static RequestMessage INVALID
An "invalid" message.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static RequestMessage.Builder`	`build(String op)`
`static RequestMessage.Builder`	`from(RequestMessage msg)`
`<T> T`	`getArg(String key)`
`<T> T`	`getArgOrDefault(String key, T def)`
`Map<String,Object>`	`getArgs()`	A `Map` of arguments that are supplied to the `op`.
`String`	`getOp()`	The operation or command to perform as defined by a particular Processor.
`String`	`getProcessor()`	The name of the Processor that should handle the `op`.
`UUID`	`getRequestId()`	The id of the current request and is used to track the message within Gremlin Server and in its response.
`<T> Optional<T>`	`optionalArgs(String key)`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - INVALID
```
public static final RequestMessage INVALID
```
    An "invalid" message. Used internally only.
- Method Detail
  - getRequestId
```
public UUID getRequestId()
```
    The id of the current request and is used to track the message within Gremlin Server and in its response. This value should be unique per request made.
  - getOp
```
public String getOp()
```
    The operation or command to perform as defined by a particular Processor.
  - getProcessor
```
public String getProcessor()
```
    The name of the Processor that should handle the op. Defaults to the standard processor if not specified.
  - getArgs
```
public Map<String,Object> getArgs()
```
    A Map of arguments that are supplied to the op. Each op accepts different argument, so consult the documentation for a particular one to understand what is expected.
  - optionalArgs
```
public <T> Optional<T> optionalArgs(String key)
```
  - getArg
```
public <T> T getArg(String key)
```
  - getArgOrDefault
```
public <T> T getArgOrDefault(String key,
                             T def)
```
  - from
```
public static RequestMessage.Builder from(RequestMessage msg)
```
  - build
```
public static RequestMessage.Builder build(String op)
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object