com.github.jrrdev.mantisbtsync.core.jobs.issues.writers.BugCustomFieldsWriter.java Source code

Java tutorial

Introduction

Here is the source code for com.github.jrrdev.mantisbtsync.core.jobs.issues.writers.BugCustomFieldsWriter.java

Source

/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Jrard Devarulrajah
 *
 * 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 com.github.jrrdev.mantisbtsync.core.jobs.issues.writers;

import java.util.List;

import javax.sql.DataSource;

import org.springframework.batch.item.ItemWriter;
import org.springframework.batch.item.database.BeanPropertyItemSqlParameterSourceProvider;
import org.springframework.batch.item.database.JdbcBatchItemWriter;

import com.github.jrrdev.mantisbtsync.core.jobs.issues.beans.BugBean;
import com.github.jrrdev.mantisbtsync.core.jobs.issues.beans.BugCustomFieldValue;

/**
 * Writer used to upsert the custom field values related to
 * an issue.
 * Insert entries in mantis_custom_field_string_table table.
 *
 * @author jrrdev
 *
 */
public class BugCustomFieldsWriter implements ItemWriter<BugBean> {

    /**
     * Sub-writer used to write each item in the list of custom field values.
     */
    private final JdbcBatchItemWriter<BugCustomFieldValue> writer;

    /**
     * SQL query used to perform the upsert.
     */
    private static final String SQL_QUERY = "INSERT INTO mantis_custom_field_string_table\n"
            + " (field_id, bug_id, field_value)\n" + " VALUES (:fieldId, :bugId, :fieldValue)\n"
            + " ON DUPLICATE KEY UPDATE field_value = :fieldValue";

    /**
     * Default constructor.
     */
    public BugCustomFieldsWriter() {
        writer = new JdbcBatchItemWriter<BugCustomFieldValue>();
        writer.setItemSqlParameterSourceProvider(
                new BeanPropertyItemSqlParameterSourceProvider<BugCustomFieldValue>());
        writer.setSql(SQL_QUERY);
        writer.setAssertUpdates(false);
    }

    /**
     * {@inheritDoc}
     * @see org.springframework.batch.item.ItemWriter#write(java.util.List)
     */
    @Override
    public void write(final List<? extends BugBean> items) throws Exception {
        if (items != null) {
            for (final BugBean bug : items) {
                if (bug.getCustomFields() != null) {
                    writer.write(bug.getCustomFields());
                }
            }
        }
    }

    /**
     * Check mandatory properties.
     */
    public void afterPropertiesSet() {
        writer.afterPropertiesSet();
    }

    /**
     * Set the datasource.
     *
     * @param dataSource
     *          the datasource to set
     */
    public void setDataSource(final DataSource dataSource) {
        writer.setDataSource(dataSource);
    }
}