public interface MessageContext
MessageContext
abstracts the message
context that is processed by a handler in the handle
method.
The MessageContext
interface provides methods to
manage a property set. MessageContext
properties
enable handlers in a handler chain to share processing related
state.
Modifier and Type | Method and Description |
---|---|
boolean |
containsProperty(String name)
Returns true if the
MessageContext contains a property
with the specified name. |
Object |
getProperty(String name)
Gets the value of a specific property from the
MessageContext . |
Iterator |
getPropertyNames()
Returns an Iterator view of the names of the properties
in this
MessageContext . |
void |
removeProperty(String name)
Removes a property (name-value pair) from the
MessageContext . |
void |
setProperty(String name,
Object value)
Sets the name and value of a property associated with the
MessageContext . |
void setProperty(String name, Object value)
MessageContext
. If the MessageContext
contains a value of the same property, the old value is replaced.name
- ame of the property associated with the
MessageContext
value
- Value of the propertyIllegalArgumentException
- If some aspect
the property is prevents it from being stored
in the contextUnsupportedOperationException
- If this method is
not supported.Object getProperty(String name)
MessageContext
.name
- the name of the property whose value is to be
retrievedIllegalArgumentException
- if an illegal
property name is specifiedvoid removeProperty(String name)
MessageContext
.name
- the name of the property to be removedIllegalArgumentException
- if an illegal
property name is specifiedboolean containsProperty(String name)
MessageContext
contains a property
with the specified name.name
- Name of the property whose presense is to be testedIterator getPropertyNames()
MessageContext
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