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Add exceptional functional interfaces

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huanghongxun 2019-08-15 12:53:52 +08:00
parent 27a33f567f
commit 861b0a1c62
2 changed files with 62 additions and 0 deletions
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33
HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiConsumer.java Normal file
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/*
* Hello Minecraft! Launcher
* Copyright (C) 2019 huangyuhui <huanghongxun2008@126.com> and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.jackhuang.hmcl.util.function;
import static java.util.Objects.requireNonNull;
public interface ExceptionalBiConsumer<T, U, E extends Exception> {
void accept(T t, U u) throws E;
default ExceptionalBiConsumer<T, U, ?> andThen(ExceptionalBiConsumer<? super T, ? super U, ?> after) {
requireNonNull(after);
return (l, r) -> {
this.accept(l, r);
after.accept(l, r);
};
}
}

29
HMCLCore/src/main/java/org/jackhuang/hmcl/util/function/ExceptionalBiFunction.java Normal file
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/*
* Hello Minecraft! Launcher
* Copyright (C) 2019 huangyuhui <huanghongxun2008@126.com> and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.jackhuang.hmcl.util.function;
import static java.util.Objects.requireNonNull;
public interface ExceptionalBiFunction<T, U, R, E extends Exception> {
R apply(T t, U u) throws E;
default <V> ExceptionalBiFunction<T, U, V, ?> andThen(ExceptionalFunction<? super R, ? extends V, ?> after) {
requireNonNull(after);
return (t, u) -> after.apply(apply(t, u));
}
}