Top Description Fields Constructors Methods
reactor.core.publisher

pack-priv final Class MonoCallableOnAssembly<T>

extends InternalMonoOperator<T, T>
implements Callable<T>, AssemblyOp
Class Inheritance
All Implemented Interfaces
reactor.core.publisher.AssemblyOp, java.util.concurrent.Callable
Type Parameters
<T>
the value type passing through
Imports
java.time.Duration, java.util.concurrent.Callable, reactor.core.CoreSubscriber, .Exceptions, .Fuseable, reactor.core.publisher.FluxOnAssembly.AssemblySnapshot, reactor.util.annotation.Nullable

Captures the current stacktrace when this publisher is created and makes it available/visible for debugging purposes from the inner Subscriber.

Note that getting a stacktrace is a costly operation.

The operator sanitizes the stacktrace and removes noisy entries such as:

See Also
https://github.com/reactor/reactive-streams-commons

Field Summary

Modifier and TypeField and Description
pack-priv final FluxOnAssembly.AssemblySnapshot
Inherited from reactor.core.publisher.InternalMonoOperator:
optimizableOperator

Constructor Summary

AccessConstructor and Description
pack-priv

Method Summary

Modifier and TypeMethod and Description
public T
block()

Overrides reactor.core.publisher.Mono.block.

Subscribe to this Mono and block indefinitely until a next signal is received.
public T
block(Duration
maximum time period to wait for before raising a RuntimeException
timeout
)

Overrides reactor.core.publisher.Mono.block.

Subscribe to this Mono and block until a next signal is received or a timeout expires.
public T
call()

Implements java.util.concurrent.Callable.call.

Computes a result, or throws an exception if unable to do so.
public Object
scanUnsafe(Scannable.Attr<T>
a Attr to resolve for the component.
key
)

Overrides reactor.core.publisher.InternalMonoOperator.scanUnsafe.

Implements reactor.core.Scannable.scanUnsafe.

This method is used internally by components to define their key-value mappings in a single place.
public String
stepName()

Overrides default reactor.core.Scannable.stepName.

Return a meaningful String representation of this Scannable in its chain of parents() and actuals().
public CoreSubscriber<? super T>
subscribeOrReturn(CoreSubscriber<? super T> actual)

Implements abstract reactor.core.publisher.InternalMonoOperator.subscribeOrReturn.

Implements reactor.core.publisher.OptimizableOperator.subscribeOrReturn.

Allow delegation of the subscription by returning a CoreSubscriber, or force subscription encapsulation by returning null.
public String
toString()

Overrides reactor.core.publisher.Mono.toString.

Returns a string representation of the object.
Inherited from reactor.core.publisher.InternalMonoOperator:
nextOptimizableSourcesourcesubscribe

Field Detail

stacktraceback to summary
pack-priv final FluxOnAssembly.AssemblySnapshot stacktrace

Constructor Detail

MonoCallableOnAssemblyback to summary
pack-priv MonoCallableOnAssembly(Mono<? extends T> source, FluxOnAssembly.AssemblySnapshot stacktrace)

Method Detail

blockback to summary
public T block()

Overrides reactor.core.publisher.Mono.block.

Doc from reactor.core.publisher.Mono.block.

Subscribe to this Mono and block indefinitely until a next signal is received. Returns that value, or null if the Mono completes empty. In case the Mono errors, the original exception is thrown (wrapped in a RuntimeException if it was a checked exception).

Note that each block() will trigger a new subscription: in other words, the result might miss signal from hot publishers.

Returns:T

T the result

Annotations
@Override
@Nullable
blockback to summary
public T block(Duration timeout)

Overrides reactor.core.publisher.Mono.block.

Doc from reactor.core.publisher.Mono.block.

Subscribe to this Mono and block until a next signal is received or a timeout expires. Returns that value, or null if the Mono completes empty. In case the Mono errors, the original exception is thrown (wrapped in a RuntimeException if it was a checked exception). If the provided timeout expires, a RuntimeException is thrown.

Note that each block() will trigger a new subscription: in other words, the result might miss signal from hot publishers.

Parameters
timeout:Duration

maximum time period to wait for before raising a RuntimeException

Returns:T

T the result

Annotations
@Override
@Nullable
@SuppressWarnings:unchecked
callback to summary
public T call() throws Exception

Implements java.util.concurrent.Callable.call.

Doc from java.util.concurrent.Callable.call.

Computes a result, or throws an exception if unable to do so.

Returns:T

computed result

Annotations
@SuppressWarnings:unchecked
@Override
@Nullable
Exceptions
Exception:
if unable to compute a result
scanUnsafeback to summary
public Object scanUnsafe(Scannable.Attr<T> key)

Overrides reactor.core.publisher.InternalMonoOperator.scanUnsafe.

Implements reactor.core.Scannable.scanUnsafe.

Doc from reactor.core.Scannable.scanUnsafe.

This method is used internally by components to define their key-value mappings in a single place. Although it is ignoring the generic type of the Attr key, implementors should take care to return values of the correct type, and return null if no specific value is available.

For public consumption of attributes, prefer using scan(Attr), which will return a typed value and fall back to the key's default if the component didn't define any mapping.

Parameters
key:Scannable.Attr<T>

a Attr to resolve for the component.

Returns:Object

the value associated to the key for that specific component, or null if none.

Annotations
@Override
stepNameback to summary
public String stepName()

Overrides default reactor.core.Scannable.stepName.

Doc from reactor.core.Scannable.stepName.

Return a meaningful String representation of this Scannable in its chain of parents() and actuals().

Annotations
@Override
subscribeOrReturnback to summary
public CoreSubscriber<? super T> subscribeOrReturn(CoreSubscriber<? super T> actual)

Implements abstract reactor.core.publisher.InternalMonoOperator.subscribeOrReturn.

Implements reactor.core.publisher.OptimizableOperator.subscribeOrReturn.

Doc from reactor.core.publisher.OptimizableOperator.subscribeOrReturn.

Allow delegation of the subscription by returning a CoreSubscriber, or force subscription encapsulation by returning null. This can be used in conjunction with nextOptimizableSource() to perform subscription in a loop instead of by recursion.

Returns:CoreSubscriber<? super T>

next CoreSubscriber or "null" if the subscription was already done inside the method

Annotations
@Override
@SuppressWarnings:unchecked
toStringback to summary
public String toString()

Overrides reactor.core.publisher.Mono.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations
@Override