io.github.theangrydev.businessflows.TechnicalFailureCaseTechnicalFailure Maven / Gradle / Ivy

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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.Optional;

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

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

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

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

    @Override
    public TechnicalFailure then(Mapping> action) {
        try {
            return action.map(technicalFailure);
        } catch (Exception e) {
            return TechnicalFailure.technicalFailure(e);
        }
    }

    @Override
    public TechnicalFailure map(Mapping mapping) {
        try {
            return TechnicalFailure.technicalFailure(mapping.map(technicalFailure));
        } catch (Exception e) {
            return TechnicalFailure.technicalFailure(e);
        }
    }

    @Override
    public HappyPath recover(Mapping recovery) {
        try {
            return HappyPath.happyPath(recovery.map(technicalFailure));
        } catch (Exception e) {
            return HappyPath.technicalFailure(e);
        }
    }

    @Override
    public HappyPath recover(Attempt recovery) {
        try {
            return HappyPath.happyPath(recovery.attempt());
        } catch (Exception e) {
            return HappyPath.technicalFailure(e);
        }
    }

    @Override
    public SadPath mapToSadPath(Mapping mapping) {
        try {
            return SadPath.sadPath(mapping.map(technicalFailure));
        } catch (Exception e) {
            return SadPath.technicalFailure(e);
        }
    }

    @Override
    public SadPath mapToSadPath(Attempt mapping) {
        try {
            return SadPath.sadPath(mapping.attempt());
        } catch (Exception e) {
            return SadPath.technicalFailure(e);
        }
    }

    @Override
    public TechnicalFailure peek(Peek peek) {
        try {
            peek.peek(technicalFailure);
            return this;
        } catch (Exception e) {
            return TechnicalFailure.technicalFailure(e);
        }
    }

    @Override
    public TechnicalFailure throwIt() throws Exception {
        throw technicalFailure;
    }

    @Override
    public TechnicalFailure throwItAsARuntimeException() throws RuntimeException {
        throw new RuntimeException(technicalFailure);
    }

    @Override
    public HappyPath ifHappy() {
        return HappyPath.technicalFailure(technicalFailure);
    }
}