Package org.eclipse.hono.util
Class MapBasedExecutionContext
java.lang.Object
org.eclipse.hono.util.MapBasedExecutionContext
- All Implemented Interfaces:
ExecutionContext
An execution context that stores properties in a
Map
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Constructor Summary
ConstructorsConstructorDescriptionMapBasedExecutionContext
(io.opentracing.Span span) Creates a new MapBasedExecutionContext instance. -
Method Summary
Modifier and TypeMethodDescriptionfinal <T> T
Gets the value for a key.final <T> T
Gets the value for a key.final io.opentracing.SpanContext
Gets the OpenTracing context that is used to track the processing of this context.final io.opentracing.Span
Gets the OpenTracing root span that is used to track the processing of this context.final void
Sets a value for a key.
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Constructor Details
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MapBasedExecutionContext
public MapBasedExecutionContext(io.opentracing.Span span) Creates a new MapBasedExecutionContext instance.- Parameters:
span
- The OpenTracing root span that is used to track the processing of this context.- Throws:
NullPointerException
- If span isnull
.
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Method Details
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get
Description copied from interface:ExecutionContext
Gets the value for a key.- Specified by:
get
in interfaceExecutionContext
- Type Parameters:
T
- The type of the value.- Parameters:
key
- The key to get the value for.- Returns:
- The value or
null
if the key is unknown.
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get
Description copied from interface:ExecutionContext
Gets the value for a key.- Specified by:
get
in interfaceExecutionContext
- Type Parameters:
T
- The type of the value.- Parameters:
key
- The key to get the value for.defaultValue
- The value to return if the key is unknown.- Returns:
- The value.
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put
Description copied from interface:ExecutionContext
Sets a value for a key.- Specified by:
put
in interfaceExecutionContext
- Parameters:
key
- The key.value
- The value.
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getTracingSpan
public final io.opentracing.Span getTracingSpan()Gets the OpenTracing root span that is used to track the processing of this context.- Specified by:
getTracingSpan
in interfaceExecutionContext
- Returns:
- The span.
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getTracingContext
public final io.opentracing.SpanContext getTracingContext()Description copied from interface:ExecutionContext
Gets the OpenTracing context that is used to track the processing of this context.- Specified by:
getTracingContext
in interfaceExecutionContext
- Returns:
- The context or
null
if no tracing context is set.
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