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Java Money API
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package com.comcast.money.japi; | |
import com.comcast.money.core.Money$; | |
import com.comcast.money.core.Note; | |
import com.comcast.money.core.Result; | |
import com.comcast.money.core.StringNote; | |
import com.comcast.money.core.Tracer; | |
public class JMoneyTracer { | |
private static Tracer tracer() { | |
return Money$.MODULE$.tracer(); | |
} | |
public static TraceSpan startSpan(String spanName) { | |
Tracer tracer = tracer(); | |
tracer.startSpan(spanName); | |
return new TraceSpan() { | |
private boolean result = false; | |
private boolean stopped = false; | |
@Override public void succeeded() { | |
result = true; | |
} | |
@Override public <T> T succeeded(T value) { | |
result = true; | |
return value; | |
} | |
@Override public void failed() { | |
result = false; | |
} | |
@Override public void close() { | |
if (!stopped) { | |
stopped = true; | |
tracer.stopSpan(result ? Result.success() : Result.failed()); | |
} | |
} | |
}; | |
} | |
public <T, E extends Exception> T trace(String spanName, CheckedCallable<T, E> action) throws E { | |
try (TraceSpan span = startSpan(spanName)) { | |
return span.succeeded(action.call()); | |
} | |
} | |
public <E extends Exception> void trace(String spanName, CheckedRunnable<E> action) throws E { | |
try (TracedSpan span = startSpan(spanName)) { | |
action.run(); | |
span.succeeded(); | |
} | |
} | |
} | |
public interface TraceSpan extends AutoCloseable { | |
@Override void close(); | |
void succeeded(); | |
<T> T succeeded(T value); | |
void failed(); | |
} | |
@FunctionalInterface | |
public interface CheckedCallable<V, E extends Exception> { | |
V call() throws E; | |
} | |
@FunctionalInterface | |
public interface CheckedRunnable<E extends Exception> { | |
void run() throws E; | |
} |
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