/*
 * The MIT License
 *
 *  Copyright (c) 2015, Mahmoud Ben Hassine (mahmoud@benhassine.fr)
 *
 *  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 org.easybatch.core.impl;

import org.easybatch.core.api.EventManager;
import org.easybatch.core.api.RecordValidator;
import org.easybatch.core.api.ValidationError;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * Applies a list of validators on the record.
 *
 * @author Mahmoud Ben Hassine (mahmoud@benhassine.fr)
 */
public class ValidationPipeline {

    private List<RecordValidator> validators;

    private EventManager eventManager;

    ValidationPipeline(List<RecordValidator> validators, EventManager eventManager) {
        this.validators = validators;
        this.eventManager = eventManager;
    }

    public void addRecordValidator(final RecordValidator recordValidator) {
        validators.add(recordValidator);
    }

    public Set<ValidationError> validateRecord(final Object record) {
        eventManager.fireBeforeValidateRecord(record);
        Set<ValidationError> errors = new HashSet<ValidationError>();
        for (RecordValidator validator : validators) {
            errors.addAll(validator.validateRecord(record));
        }
        eventManager.fireAfterValidateRecord(record, errors);
        return errors;
    }
}

/*
 * The MIT License
 *
 *  Copyright (c) 2015, Mahmoud Ben Hassine (mahmoud@benhassine.fr)
 *
 *  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 org.easybatch.core.impl;

import org.easybatch.core.api.EventManager;
import org.easybatch.core.api.RecordValidator;
import org.easybatch.core.api.ValidationError;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * Applies a list of validators on the record.
 *
 * @author Mahmoud Ben Hassine (mahmoud@benhassine.fr)
 */
class ValidationPipeline {

    private List<RecordValidator> validators;

    private EventManager eventManager;

    ValidationPipeline(List<RecordValidator> validators, EventManager eventManager) {
        this.validators = validators;
        this.eventManager = eventManager;
    }

    public void addRecordValidator(final RecordValidator recordValidator) {
        validators.add(recordValidator);
    }

    public Set<ValidationError> validateRecord(final Object record) {
        eventManager.fireBeforeValidateRecord(record);
        Set<ValidationError> errors = new HashSet<ValidationError>();
        for (RecordValidator validator : validators) {
            errors.addAll(validator.validateRecord(record));
        }
        eventManager.fireAfterValidateRecord(record, errors);
        return errors;
    }
}

make internal class package private