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/** | ||
* The MIT License (MIT) | ||
* | ||
* Copyright (c) 2017 Yegor Bugayenko | ||
* | ||
* 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 NON-INFRINGEMENT. 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 org.cactoos; | ||
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import org.cactoos.func.UncheckedFunc; | ||
import org.hamcrest.Description; | ||
import org.hamcrest.Matcher; | ||
import org.hamcrest.TypeSafeMatcher; | ||
import org.hamcrest.core.IsEqual; | ||
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/** | ||
* Matcher for the value. | ||
* | ||
* @author Yegor Bugayenko ([email protected]) | ||
* @version $Id$ | ||
* @param <X> Type of input | ||
* @param <Y> Type of output | ||
* @since 0.2 | ||
*/ | ||
public final class FuncApplies<X, Y> extends TypeSafeMatcher<Func<X, Y>> { | ||
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/** | ||
* Input of the function. | ||
*/ | ||
private final X input; | ||
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/** | ||
* Matcher of the result. | ||
*/ | ||
private final Matcher<Y> matcher; | ||
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/** | ||
* Ctor. | ||
* @param result The result expected | ||
* @param inpt Input for the function | ||
*/ | ||
public FuncApplies(final X inpt, final Y result) { | ||
this(inpt, new IsEqual<>(result)); | ||
} | ||
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/** | ||
* Ctor. | ||
* @param inpt Input for the function | ||
* @param mtr Matcher of the text | ||
*/ | ||
public FuncApplies(final X inpt, final Matcher<Y> mtr) { | ||
super(); | ||
this.input = inpt; | ||
this.matcher = mtr; | ||
} | ||
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@Override | ||
public boolean matchesSafely(final Func<X, Y> func) { | ||
return this.matcher.matches( | ||
new UncheckedFunc<>(func).apply(this.input) | ||
); | ||
} | ||
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@Override | ||
public void describeTo(final Description description) { | ||
description.appendText("Scalar with "); | ||
description.appendDescriptionOf(this.matcher); | ||
} | ||
} |
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/** | ||
* The MIT License (MIT) | ||
* | ||
* Copyright (c) 2017 Yegor Bugayenko | ||
* | ||
* 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 NON-INFRINGEMENT. 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 org.cactoos.func; | ||
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import org.cactoos.Func; | ||
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/** | ||
* Func as that is always true. | ||
* | ||
* <p>You may want to use this decorator when you need | ||
* a procedure that returns boolean instead of a function:</p> | ||
* | ||
* <pre> List<String> list = new LinkedList<>(); | ||
* new AllOf( | ||
* new IterableAsBooleans<String>( | ||
* Collections.emptyList(), | ||
* new AlwaysTrueFunc<>(list::add) | ||
* ) | ||
* ).asValue(); | ||
* </pre> | ||
* | ||
* <p>There is no thread-safety guarantee. | ||
* | ||
* @author Yegor Bugayenko ([email protected]) | ||
* @version $Id$ | ||
* @param <X> Type of input | ||
* @since 0.2 | ||
*/ | ||
public final class AlwaysTrueFunc<X> implements Func<X, Boolean> { | ||
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/** | ||
* Original func. | ||
*/ | ||
private final Func<X, ?> func; | ||
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/** | ||
* Ctor. | ||
* @param fnc Encapsulated func | ||
*/ | ||
public AlwaysTrueFunc(final Func<X, ?> fnc) { | ||
this.func = fnc; | ||
} | ||
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@Override | ||
public Boolean apply(final X input) throws Exception { | ||
this.func.apply(input); | ||
return true; | ||
} | ||
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} |
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/** | ||
* The MIT License (MIT) | ||
* | ||
* Copyright (c) 2017 Yegor Bugayenko | ||
* | ||
* 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 NON-INFRINGEMENT. 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 org.cactoos.func; | ||
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import java.util.concurrent.Callable; | ||
import org.cactoos.Func; | ||
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/** | ||
* Callable as Func. | ||
* | ||
* <p>There is no thread-safety guarantee. | ||
* | ||
* @author Yegor Bugayenko ([email protected]) | ||
* @version $Id$ | ||
* @param <X> Type of input | ||
* @param <Y> Type of output | ||
* @see FuncAsCallable | ||
* @see FuncAsRunnable | ||
* @see RunnableAsFunc | ||
* @since 0.2 | ||
*/ | ||
public final class CallableAsFunc<X, Y> implements Func<X, Y> { | ||
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/** | ||
* The callable. | ||
*/ | ||
private final Callable<Y> callable; | ||
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/** | ||
* Ctor. | ||
* @param clbl The callable | ||
*/ | ||
public CallableAsFunc(final Callable<Y> clbl) { | ||
this.callable = clbl; | ||
} | ||
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@Override | ||
public Y apply(final X input) throws Exception { | ||
return this.callable.call(); | ||
} | ||
} |
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