com.gregmarut.querybuilder.QueryBuilder Maven / Gradle / Ivy
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/*
* Copyright 2024 Greg Marut
*
* 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.gregmarut.querybuilder;
import com.gregmarut.querybuilder.predicate.Predicate;
import java.util.ArrayList;
import java.util.List;
public abstract class QueryBuilder, E>
{
public static final String ROOT = "_ROOT";
protected final Class entityClass;
protected final List sortList;
protected QueryBuilder(final Class entityClass)
{
this.entityClass = entityClass;
this.sortList = new ArrayList<>();
}
public B addSort(final String column, final SortDirectionType sortDirectionType)
{
if (null != column && null != sortDirectionType)
{
addSort(new Sort(new Path(ROOT, column), sortDirectionType));
}
return self();
}
public B addSort(final Sort sort)
{
sortList.add(sort);
return self();
}
public B self()
{
return (B) this;
}
protected List buildPredicates()
{
final List predicates = new ArrayList<>();
addPredicates(predicates);
return predicates;
}
protected abstract void addPredicates(final List predicates);
protected abstract List getDefaultSort();
}