io.reactivex.netty.contexts

Class ContextAttributeStorageHelper

java.lang.Object

io.reactivex.netty.contexts.ContextAttributeStorageHelper

public final class ContextAttributeStorageHelper
extends java.lang.Object

A utility class to store ContextsContainer instances as channel attributes.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CONTAINER_ATTRIBUTE_KEY_NAME
static io.netty.util.AttributeKey<java.util.concurrent.ConcurrentHashMap<java.lang.String,ContextsContainer>>	CONTAINERS_ATTRIBUTE_KEY Why is this a ConcurrentHashMap? This will always be updated from within a Channel handler, which makes sure that this is always updated by a single thread.

Method Summary

Modifier and Type	Method and Description
static ContextsContainer	getContainer(io.netty.channel.ChannelHandlerContext ctx, java.lang.String requestId)
static void	setContainer(io.netty.channel.ChannelHandlerContext ctx, java.lang.String requestId, ContextsContainer container)

Methods inherited from class java.lang.Object

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

Field Detail

CONTAINER_ATTRIBUTE_KEY_NAME

public static final java.lang.String CONTAINER_ATTRIBUTE_KEY_NAME

See Also:

Constant Field Values

CONTAINERS_ATTRIBUTE_KEY

public static final io.netty.util.AttributeKey<java.util.concurrent.ConcurrentHashMap<java.lang.String,ContextsContainer>> CONTAINERS_ATTRIBUTE_KEY

Why is this a ConcurrentHashMap? This will always be updated from within a Channel handler, which makes sure that this is always updated by a single thread. However, for protocols which have multiple concurrent requests per connection (SPDY, HTTP2, etc) this may not be true if the requests are potentially processed parallely. So, this is just a safety net.

Method Detail

setContainer

public static void setContainer(io.netty.channel.ChannelHandlerContext ctx,
                                java.lang.String requestId,
                                ContextsContainer container)

getContainer

public static ContextsContainer getContainer(io.netty.channel.ChannelHandlerContext ctx,
                                             java.lang.String requestId)