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Kitodo/src/main/java/org/kitodo/production/services/data/DatabaseQueryPart.java
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| /* | ||
| * (c) Kitodo. Key to digital objects e. V. <[email protected]> | ||
| * | ||
| * This file is part of the Kitodo project. | ||
| * | ||
| * It is licensed under GNU General Public License version 3 or later. | ||
| * | ||
| * For the full copyright and license information, please read the | ||
| * GPL3-License.txt file that was distributed with this source code. | ||
| */ | ||
|
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| package org.kitodo.production.services.data; | ||
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| import java.util.Map; | ||
| import java.util.Objects; | ||
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| /** | ||
| * A part of the filter that is resolved on the database. Searching is only | ||
| * possible by ID or by ID range. | ||
| */ | ||
| class DatabaseQueryPart implements UserSpecifiedFilter { | ||
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| private static final String SECOND_PARAMETER_EXTENSION = "upTo"; | ||
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| private FilterField filterField; | ||
| private Integer firstId; | ||
| private Integer upToId; | ||
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| /** | ||
| * Constructor, creates a new DatabaseQueryPart. | ||
| * | ||
| * @param filterField | ||
| * field to search on | ||
| * @param firstId | ||
| * first or only ID | ||
| * @param upToId | ||
| * {@code null} or last ID | ||
| */ | ||
| DatabaseQueryPart(FilterField filterField, String firstId, String upToId) { | ||
| this.filterField = filterField; | ||
| this.firstId = Integer.valueOf(firstId); | ||
| this.upToId = Objects.nonNull(upToId) ? Integer.valueOf(upToId) : null; | ||
| } | ||
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| @Override | ||
| public FilterField getFilterField() { | ||
| return filterField; | ||
| } | ||
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| /** | ||
| * Returns the part HQL query. If the query contains the keyword "IN", it | ||
| * must be queried using JOIN, otherwise using WHERE. | ||
| * | ||
| * @param className | ||
| * "Task" for a query on the tasks table, else for a query on the | ||
| * process table. | ||
| * @param varName | ||
| * variable name to use in the query | ||
| * @param parameterName | ||
| * parameter name to use in the query | ||
| * @return the part HQL query | ||
| */ | ||
| String getDatabaseQuery(String className, String varName, String parameterName) { | ||
| String query = Objects.equals(className, "Task") ? filterField.getTaskQuery() : filterField.getProcessQuery(); | ||
| return varName + '.' + query + (upToId == null ? " = :" + parameterName | ||
| : " BETWEEN :" + parameterName + " AND :" + parameterName + SECOND_PARAMETER_EXTENSION); | ||
| } | ||
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| /** | ||
| * Puts the parameters necessary for the query. | ||
| * | ||
| * @param parameterName | ||
| * parameter name used in the query | ||
| * @param parameters | ||
| * map to put the parameters into | ||
| */ | ||
| void addParameters(String parameterName, Map<String, Object> parameters) { | ||
| if (Objects.nonNull(filterField.getQueryObject())) { | ||
| parameters.put("queryObject", filterField.getQueryObject()); | ||
| } | ||
| parameters.put(parameterName, firstId); | ||
| if (Objects.nonNull(upToId)) { | ||
| parameters.put(parameterName.concat(SECOND_PARAMETER_EXTENSION), upToId); | ||
| } | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return filterField + (upToId == null ? " = " + firstId : " BETWEEN " + firstId + " AND " + upToId); | ||
| } | ||
| } |
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