com.landawn.abacus.util

Class Try<T extends java.lang.AutoCloseable>

java.lang.Object

com.landawn.abacus.util.Try<T>

public final class Try<T extends java.lang.AutoCloseable>
extends java.lang.Object

Catch checked exception and convert it to RuntimeException.

Since:

0.8

Author:

Haiyang Li

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Try.BiConsumer<T,U,E extends java.lang.Exception>
static interface	Try.BiFunction<T,U,R,E extends java.lang.Exception>
static interface	Try.BiPredicate<T,U,E extends java.lang.Exception>
static interface	Try.Callable<R,E extends java.lang.Exception>
static interface	Try.Consumer<T,E extends java.lang.Exception>
static interface	Try.Function<T,R,E extends java.lang.Exception>
static interface	Try.Predicate<T,E extends java.lang.Exception>
static interface	Try.Runnable<E extends java.lang.Exception>
static interface	Try.Supplier<T,E extends java.lang.Exception>
static interface	Try.TriConsumer<A,B,C,E extends java.lang.Exception>
static interface	Try.TriFunction<A,B,C,R,E extends java.lang.Exception>
static interface	Try.TriPredicate<A,B,C,E extends java.lang.Exception>

Method Summary

Modifier and Type	Method and Description
static <R> R	call(java.util.concurrent.Callable<R> cmd)
static <R> R	call(java.util.concurrent.Callable<R> cmd, Function<? super java.lang.Exception,R> actionOnError)
static <R> R	call(java.util.concurrent.Callable<R> cmd, Predicate<? super java.lang.Exception> predicate, R defaultValue)
static <R> R	call(java.util.concurrent.Callable<R> cmd, Predicate<? super java.lang.Exception> predicate, Supplier<R> supplier)
static <R> R	call(java.util.concurrent.Callable<R> cmd, R defaultValue)
static <R> R	call(java.util.concurrent.Callable<R> cmd, Supplier<R> supplier)
<R> R	call(Try.Function<? super T,R,? extends java.lang.Exception> cmd)
<R> R	call(Try.Function<? super T,R,? extends java.lang.Exception> cmd, Function<? super java.lang.Exception,R> actionOnError)
<R> R	call(Try.Function<? super T,R,? extends java.lang.Exception> cmd, Predicate<? super java.lang.Exception> predicate, R defaultValue)
<R> R	call(Try.Function<? super T,R,? extends java.lang.Exception> cmd, Predicate<? super java.lang.Exception> predicate, Supplier<R> supplier)
<R> R	call(Try.Function<? super T,R,? extends java.lang.Exception> cmd, R defaultValue)
<R> R	call(Try.Function<? super T,R,? extends java.lang.Exception> cmd, Supplier<R> supplier)
static <T extends java.lang.AutoCloseable> Try<T>	of(T t)
static <T extends java.lang.AutoCloseable> Try<T>	of(Try.Supplier<T,? extends java.lang.Exception> supplier)
static Try<java.io.Reader>	reader(java.io.File file)
void	run(Try.Consumer<? super T,? extends java.lang.Exception> cmd)
void	run(Try.Consumer<? super T,? extends java.lang.Exception> cmd, Consumer<? super java.lang.Exception> actionOnError)
static void	run(Try.Runnable<? extends java.lang.Exception> cmd)
static void	run(Try.Runnable<? extends java.lang.Exception> cmd, Consumer<? super java.lang.Exception> actionOnError)
static Try<Stream<java.lang.String>>	stream(java.io.File file)
T	val()
static Try<java.io.Writer>	writer(java.io.File file)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

of

public static <T extends java.lang.AutoCloseable> Try<T> of(T t)

of

public static <T extends java.lang.AutoCloseable> Try<T> of(Try.Supplier<T,? extends java.lang.Exception> supplier)

reader

public static Try<java.io.Reader> reader(java.io.File file)

writer

public static Try<java.io.Writer> writer(java.io.File file)

stream

public static Try<Stream<java.lang.String>> stream(java.io.File file)

run

public static void run(Try.Runnable<? extends java.lang.Exception> cmd)

Parameters:

cmd -

Throws:

java.lang.RuntimeException - if some error happens

run

public static void run(Try.Runnable<? extends java.lang.Exception> cmd,
                       Consumer<? super java.lang.Exception> actionOnError)

call

public static <R> R call(java.util.concurrent.Callable<R> cmd)

Parameters:

cmd -

Returns:

Throws:

java.lang.RuntimeException - if some error happens

call

public static <R> R call(java.util.concurrent.Callable<R> cmd,
                         Function<? super java.lang.Exception,R> actionOnError)

call

public static <R> R call(java.util.concurrent.Callable<R> cmd,
                         Supplier<R> supplier)

call

public static <R> R call(java.util.concurrent.Callable<R> cmd,
                         R defaultValue)

call

public static <R> R call(java.util.concurrent.Callable<R> cmd,
                         Predicate<? super java.lang.Exception> predicate,
                         Supplier<R> supplier)

Parameters:

cmd -

predicate -

supplier -

Returns:

the value returned Supplier.get() if some error happens and predicate return true.

Throws:

java.lang.RuntimeException - if some error happens and predicate return false.

call

public static <R> R call(java.util.concurrent.Callable<R> cmd,
                         Predicate<? super java.lang.Exception> predicate,
                         R defaultValue)

Parameters:

cmd -

predicate -

defaultValue -

Returns:

the defaultValue() if some error happens and predicate return true.

Throws:

java.lang.RuntimeException - if some error happens and predicate return false.

val

public T val()

run

public void run(Try.Consumer<? super T,? extends java.lang.Exception> cmd)

run

public void run(Try.Consumer<? super T,? extends java.lang.Exception> cmd,
                Consumer<? super java.lang.Exception> actionOnError)

call

public <R> R call(Try.Function<? super T,R,? extends java.lang.Exception> cmd)

call

public <R> R call(Try.Function<? super T,R,? extends java.lang.Exception> cmd,
                  Function<? super java.lang.Exception,R> actionOnError)

call

public <R> R call(Try.Function<? super T,R,? extends java.lang.Exception> cmd,
                  Supplier<R> supplier)

call

public <R> R call(Try.Function<? super T,R,? extends java.lang.Exception> cmd,
                  R defaultValue)

call

public <R> R call(Try.Function<? super T,R,? extends java.lang.Exception> cmd,
                  Predicate<? super java.lang.Exception> predicate,
                  Supplier<R> supplier)

call

public <R> R call(Try.Function<? super T,R,? extends java.lang.Exception> cmd,
                  Predicate<? super java.lang.Exception> predicate,
                  R defaultValue)