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java.lang.Object org.jboss.msc.inject.RetainingInjector<T> org.jboss.msc.value.InjectedValue<T>
T
- the value typepublic final class InjectedValue<T>
A value which is injected from another source. The value may only be read if the injector has populated it.
Constructor Summary | |
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InjectedValue()
Construct a new instance. |
Method Summary | |
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T |
getOptionalValue()
Get the value if it was injected, or return null if it was not. |
T |
getValue()
Get the actual value. |
void |
setValue(Value<T> value)
Set the value to be injected to a Value instance. |
Methods inherited from class org.jboss.msc.inject.RetainingInjector |
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getStoredValue, inject, setStoredValue, uninject |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.jboss.msc.inject.Injector |
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inject, uninject |
Constructor Detail |
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public InjectedValue()
Method Detail |
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public T getValue() throws IllegalStateException
getValue
in interface Value<T>
IllegalStateException
- if the value is time-sensitive and the current state does not allow retrieval.public void setValue(Value<T> value)
Value
instance.
value
- the value to set, cannot be null
(though it may be Values.nullValue()
)public T getOptionalValue()
null
if it was not.
null
if it was not injected
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