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A combination of the Try monad and the Either monad, to help tame complex business flows.

There is a newer version: 10.3.0

/*
 * Copyright 2016 Liam Williams .
 *
 * This file is part of business-flows.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.github.theangrydev.businessflows;

import java.util.List;
import java.util.Optional;

/**
 * A {@link TechnicalFailureCaseHappyPath} is a {@link HappyPath} that is actually a {@link TechnicalFailureCase}.
 */
class TechnicalFailureCaseHappyPath extends TechnicalFailureCase implements HappyPath {

    TechnicalFailureCaseHappyPath(Exception technicalFailure) {
        super(technicalFailure);
    }

    @Override
    public HappyPath attempt(ActionThatMightFail actionThatMightFail) {
        return this;
    }

    @Override
    public HappyPath attemptAll(List> actionsThatMightFail) {
        return this;
    }

    @SuppressWarnings("unchecked") // Only the Happy changes and it is not present so all that changes is the types
    @Override
    public  HappyPath then(Mapping> action) {
        return (HappyPath) this;
    }

    @SuppressWarnings("unchecked") // Only the Happy changes and it is not present so all that changes is the types
    @Override
    public  HappyPath map(Mapping mapping) {
        return (HappyPath) this;
    }

    @Override
    public HappyPath peek(Peek peek) {
        return this;
    }

    @Override
    public Optional toOptional() {
        return Optional.empty();
    }

    @Override
    public TechnicalFailure ifTechnicalFailure() {
        return TechnicalFailure.technicalFailure(technicalFailure);
    }

    @Override
    public SadPath ifSad() {
        return SadPath.technicalFailure(technicalFailure);
    }
}