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Add RSocketFrameTypeMessageCondition constants 

See gh-23999
This commit is contained in:
Rossen Stoyanchev 2019-11-19 16:03:43 +00:00
parent cd619a2f09
commit f08cf0e864
1 changed files with 43 additions and 22 deletions
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65
spring-messaging/src/main/java/org/springframework/messaging/rsocket/annotation/support/RSocketFrameTypeMessageCondition.java
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@ -45,6 +45,45 @@ public class RSocketFrameTypeMessageCondition extends AbstractMessageCondition<R
public static final String FRAME_TYPE_HEADER = "rsocketFrameType";
/** Match connection-level frames "SETUP" or "METADATA_PUSH". */
public static final RSocketFrameTypeMessageCondition CONNECT_CONDITION =
new RSocketFrameTypeMessageCondition(FrameType.SETUP, FrameType.METADATA_PUSH);
/** Match RSocket frames "REQUEST_FNF" or "REQUEST_RESPONSE". */
public static final RSocketFrameTypeMessageCondition REQUEST_FNF_OR_RESPONSE_CONDITION =
new RSocketFrameTypeMessageCondition(FrameType.REQUEST_FNF, FrameType.REQUEST_RESPONSE);
/** Match RSocket frame "REQUEST_RESPONSE". */
public static final RSocketFrameTypeMessageCondition REQUEST_RESPONSE_CONDITION =
new RSocketFrameTypeMessageCondition(FrameType.REQUEST_RESPONSE);
/** Match RSocket frame "REQUEST_STREAM". */
public static final RSocketFrameTypeMessageCondition REQUEST_STREAM_CONDITION =
new RSocketFrameTypeMessageCondition(FrameType.REQUEST_STREAM);
/** Match RSocket frame "REQUEST_CHANNEL". */
public static final RSocketFrameTypeMessageCondition REQUEST_CHANNEL_CONDITION =
new RSocketFrameTypeMessageCondition(FrameType.REQUEST_CHANNEL);
/** Empty condition that does not match to any RSocket frames (e.g. for type-level mappings) */
public static final RSocketFrameTypeMessageCondition EMPTY_CONDITION = new RSocketFrameTypeMessageCondition();
/**
* Condition to match "REQUEST_FNF", "REQUEST_RESPONSE", "REQUEST_STREAM",
* and "REQUEST_CHANNEL".
* @deprecated as of 5.2.2 because matching to all interaction types is too
* flexible. Please use one of the other constants in this class that match
* to specific frames.
*/
@Deprecated
public static final RSocketFrameTypeMessageCondition REQUEST_CONDITION =
new RSocketFrameTypeMessageCondition(
FrameType.REQUEST_FNF,
FrameType.REQUEST_RESPONSE,
FrameType.REQUEST_STREAM,
FrameType.REQUEST_CHANNEL);
/** Per FrameType cache to return ready instances from getMatchingCondition. */
private static final Map<String, RSocketFrameTypeMessageCondition> frameTypeConditionCache;
@ -56,13 +95,6 @@ public class RSocketFrameTypeMessageCondition extends AbstractMessageCondition<R
}
static final RSocketFrameTypeMessageCondition CONNECT_CONDITION =
new RSocketFrameTypeMessageCondition(FrameType.SETUP, FrameType.METADATA_PUSH);
static final RSocketFrameTypeMessageCondition EMPTY_CONDITION = new RSocketFrameTypeMessageCondition();
private final Set<FrameType> frameTypes;
@ -179,27 +211,16 @@ public class RSocketFrameTypeMessageCondition extends AbstractMessageCondition<R
case 0:
case 1:
switch (cardinalityOut) {
case 0: return FF_RR_CONDITION;
case 1: return RR_CONDITION;
case 2: return RS_CONDITION;
case 0: return REQUEST_FNF_OR_RESPONSE_CONDITION;
case 1: return REQUEST_RESPONSE_CONDITION;
case 2: return REQUEST_STREAM_CONDITION;
default: throw new IllegalStateException("Invalid cardinality: " + cardinalityOut);
}
case 2:
return RC_CONDITION;
return REQUEST_CHANNEL_CONDITION;
default:
throw new IllegalStateException("Invalid cardinality: " + cardinalityIn);
}
}
private static final RSocketFrameTypeMessageCondition FF_CONDITION = from(FrameType.REQUEST_FNF);
private static final RSocketFrameTypeMessageCondition RR_CONDITION = from(FrameType.REQUEST_RESPONSE);
private static final RSocketFrameTypeMessageCondition RS_CONDITION = from(FrameType.REQUEST_STREAM);
private static final RSocketFrameTypeMessageCondition RC_CONDITION = from(FrameType.REQUEST_CHANNEL);
private static final RSocketFrameTypeMessageCondition FF_RR_CONDITION = FF_CONDITION.combine(RR_CONDITION);
private static RSocketFrameTypeMessageCondition from(FrameType... frameTypes) {
return new RSocketFrameTypeMessageCondition(frameTypes);
}
}