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add function class

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ehlxr
2021-09-16 14:02:08 +08:00
parent 8f2e5d0b62
commit af2221682c
5 changed files with 292 additions and 0 deletions
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74
budd-common/src/main/java/io/github/ehlxr/function/BlockerActionConsumer.java Normal file
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/*
* The MIT License (MIT)
*
* Copyright © 2021 xrv <xrg@live.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.github.ehlxr.function;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.RecursiveAction;
import java.util.function.Consumer;
/**
* @author ehlxr
* @since 2021-09-06 10:48.
*/
public class BlockerActionConsumer<T> extends RecursiveAction {
private static final long serialVersionUID = 4942349095463615123L;
private final MyManagedBlockerImpl<T> blocker;
public BlockerActionConsumer(Consumer<T> consumer, T t) {
this.blocker = new MyManagedBlockerImpl<>(consumer, t);
}
@Override
protected void compute() {
try {
ForkJoinPool.managedBlock(blocker);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
static class MyManagedBlockerImpl<T> implements ForkJoinPool.ManagedBlocker {
private final Consumer<T> consumer;
private final T t;
private boolean done = false;
public MyManagedBlockerImpl(Consumer<T> consumer, T t) {
this.consumer = consumer;
this.t = t;
}
@Override
public boolean block() {
consumer.accept(t);
done = true;
return true;
}
@Override
public boolean isReleasable() {
return done;
}
}
}

77
budd-common/src/main/java/io/github/ehlxr/function/BlockerTaskFunction.java Normal file
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/*
* The MIT License (MIT)
*
* Copyright © 2021 xrv <xrg@live.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.github.ehlxr.function;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.RecursiveTask;
import java.util.function.Function;
/**
* @author ehlxr
* @since 2021-09-06 10:39.
*/
public class BlockerTaskFunction<T, R> extends RecursiveTask<R> {
private static final long serialVersionUID = -4114798302790287199L;
private final MyManagedBlockerImpl<T, R> blocker;
public BlockerTaskFunction(Function<T, R> function, T t) {
this.blocker = new MyManagedBlockerImpl<>(function, t);
}
@Override
protected R compute() {
try {
ForkJoinPool.managedBlock(blocker);
setRawResult(blocker.r);
return getRawResult();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
static class MyManagedBlockerImpl<T, R> implements ForkJoinPool.ManagedBlocker {
private final Function<T, R> function;
private final T t;
private R r;
private boolean done = false;
public MyManagedBlockerImpl(Function<T, R> function, T t) {
this.function = function;
this.t = t;
}
@Override
public boolean block() {
r = function.apply(t);
done = true;
return true;
}
@Override
public boolean isReleasable() {
return done;
}
}
}

47
budd-common/src/main/java/io/github/ehlxr/function/CallableFunction.java Normal file
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/*
* The MIT License (MIT)
*
* Copyright © 2021 xrv <xrg@live.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.github.ehlxr.function;
import java.util.concurrent.Callable;
import java.util.function.Function;
/**
* @author ehlxr
* @since 2021-09-06 10:40.
*/
public class CallableFunction<T, R> implements Callable<R> {
private final T t;
private final Function<T, R> function;
public CallableFunction(Function<T, R> function, T t) {
this.function = function;
this.t = t;
}
@Override
public R call() {
return function.apply(t);
}
}

48
budd-common/src/main/java/io/github/ehlxr/function/RecursiveTaskFunction.java Normal file
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/*
* The MIT License (MIT)
*
* Copyright © 2021 xrv <xrg@live.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.github.ehlxr.function;
import java.util.concurrent.RecursiveTask;
import java.util.function.Function;
/**
* @author ehlxr
* @since 2021-09-06 10:41.
*/
public class RecursiveTaskFunction<T, R> extends RecursiveTask<R> {
private static final long serialVersionUID = 4451027118600634633L;
private final T t;
private final Function<T, R> function;
public RecursiveTaskFunction(Function<T, R> function, T t) {
this.function = function;
this.t = t;
}
@Override
protected R compute() {
return function.apply(t);
}
}

46
budd-common/src/main/java/io/github/ehlxr/function/RunnableConsumer.java Normal file
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/*
* The MIT License (MIT)
*
* Copyright © 2021 xrv <xrg@live.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.github.ehlxr.function;
import java.util.function.Consumer;
/**
* @author ehlxr
* @since 2021-09-06 10:40.
*/
public class RunnableConsumer<T> implements Runnable {
private final T t;
private final Consumer<T> consumer;
public RunnableConsumer(Consumer<T> consumer, T t) {
this.consumer = consumer;
this.t = t;
}
@Override
public void run() {
consumer.accept(t);
}
}