services.moleculer.context

Class Context

java.lang.Object

services.moleculer.context.ContextSource

services.moleculer.context.Context

public class Context
extends ContextSource

Field Summary

Fields

Modifier and Type	Field and Description
protected long	createdAt Timestamp
java.lang.String	id Unique context ID
int	level Request level (in nested-calls) - the first level is 1
java.lang.String	name Action name
java.lang.String	nodeID Source nodeID
CallOptions.Options	opts Calling options
io.datatree.Tree	params Request parameters (including meta)
java.lang.String	parentID Parent context ID (in nested-calls)
java.lang.String	requestID Request ID (= first context ID)
PacketStream	stream Streamed content

Fields inherited from class services.moleculer.context.ContextSource

eventbus, serviceInvoker, uidGenerator

Constructor Summary

Constructors

Constructor and Description
Context(ServiceInvoker serviceInvoker, Eventbus eventbus, UidGenerator uidGenerator, java.lang.String id, java.lang.String name, io.datatree.Tree params, int level, java.lang.String parentID, java.lang.String requestID, PacketStream stream, CallOptions.Options opts, java.lang.String nodeID)

Method Summary

Modifier and Type	Method and Description
protected void	broadcast(java.lang.String name, io.datatree.Tree payload, Groups groups, PacketStream stream, CallOptions.Options opts, boolean local)
protected io.datatree.Promise	call(java.lang.String name, io.datatree.Tree params, CallOptions.Options opts, PacketStream stream) Calls an action (local or remote).
protected void	emit(java.lang.String name, io.datatree.Tree payload, Groups groups, PacketStream stream, CallOptions.Options opts)
protected io.datatree.Tree	mergeMeta(io.datatree.Tree newParams)
java.lang.String	toString()

Methods inherited from class services.moleculer.context.ContextSource

broadcast, broadcast, broadcast, broadcast, broadcast, broadcastLocal, broadcastLocal, broadcastLocal, call, call, call, call, call, createStream, emit, emit, emit, emit, emit

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

id

public final java.lang.String id

Unique context ID

name

public final java.lang.String name

Action name

params

public final io.datatree.Tree params

Request parameters (including meta)

level

public final int level

Request level (in nested-calls) - the first level is 1

parentID

public final java.lang.String parentID

Parent context ID (in nested-calls)

requestID

public final java.lang.String requestID

Request ID (= first context ID)

stream

public final PacketStream stream

Streamed content

opts

public final CallOptions.Options opts

Calling options

nodeID

public final java.lang.String nodeID

Source nodeID

createdAt

protected final long createdAt

Timestamp

Constructor Detail

Context

public Context(ServiceInvoker serviceInvoker,
               Eventbus eventbus,
               UidGenerator uidGenerator,
               java.lang.String id,
               java.lang.String name,
               io.datatree.Tree params,
               int level,
               java.lang.String parentID,
               java.lang.String requestID,
               PacketStream stream,
               CallOptions.Options opts,
               java.lang.String nodeID)

Method Detail

emit

protected void emit(java.lang.String name,
                    io.datatree.Tree payload,
                    Groups groups,
                    PacketStream stream,
                    CallOptions.Options opts)

Overrides:

emit in class ContextSource

broadcast

protected void broadcast(java.lang.String name,
                         io.datatree.Tree payload,
                         Groups groups,
                         PacketStream stream,
                         CallOptions.Options opts,
                         boolean local)

Overrides:

broadcast in class ContextSource

call

protected io.datatree.Promise call(java.lang.String name,
                                   io.datatree.Tree params,
                                   CallOptions.Options opts,
                                   PacketStream stream)

Calls an action (local or remote).

Overrides:

call in class ContextSource

Parameters:

name - action name (eg. "math.add" in "service.action" syntax)

params - Tree structure (input parameters of the method call)

opts - calling options (target nodeID, call timeout, number of retries)

stream - streamed data (optional)

Returns:

response Promise

mergeMeta

protected io.datatree.Tree mergeMeta(io.datatree.Tree newParams)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object