com.jpattern.orm.query.clause.OrmFrom Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jporm-api Show documentation
There is a newer version: 3.5.1
package com.jpattern.orm.query.clause;

import java.util.ArrayList;
import java.util.List;

import com.jpattern.orm.classtool.IOrmClassToolMap;
import com.jpattern.orm.query.INameSolver;
import com.jpattern.orm.query.IQueryRoot;
import com.jpattern.orm.query.NullNameSolver;
import com.jpattern.orm.query.from.JoinElement;
import com.jpattern.orm.query.from.FullOuterJoinElement;
import com.jpattern.orm.query.from.FromElement;
import com.jpattern.orm.query.from.InnerJoinElement;
import com.jpattern.orm.query.from.LeftOuterJoinElement;
import com.jpattern.orm.query.from.NaturalJoinElement;
import com.jpattern.orm.query.from.RightOuterJoinElement;

/**
 * 
 * @author Francesco Cina
 *
 * 27/giu/2011
 */
public class OrmFrom implements From {

	private INameSolver nameSolver = new NullNameSolver();
	private final List joinElements = new ArrayList();
	private final IOrmClassToolMap ormClassToolMap;
	private final T query;

	public OrmFrom (IOrmClassToolMap ormClassToolMap, T query) {
		this.ormClassToolMap = ormClassToolMap;
		this.query = query;
	}

	@Override
	public From join(Class joinClass) {
		return join(joinClass, joinClass.getSimpleName());
	}

	@Override
	public From join(Class joinClass, String joinClassAlias) {
		final FromElement joinElement = new JoinElement(ormClassToolMap, joinClass);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From naturalJoin(Class joinClass) {
		return naturalJoin(joinClass, joinClass.getSimpleName());
	}

	@Override
	public From naturalJoin(Class joinClass, String joinClassAlias) {
		final FromElement joinElement = new NaturalJoinElement(ormClassToolMap, joinClass);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From innerJoin(Class joinClass) {
		return innerJoin(joinClass, joinClass.getSimpleName());
	}

	@Override
	public From innerJoin(Class joinClass, String joinClassAlias) {
		final FromElement joinElement = new InnerJoinElement(ormClassToolMap, joinClass);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From innerJoin(Class joinClass, String onLeftProperty, String onRigthProperty) {
		return innerJoin(joinClass, joinClass.getSimpleName(), onLeftProperty, onRigthProperty);
	}

	@Override
	public From innerJoin(Class joinClass, String joinClassAlias, String onLeftProperty, String onRigthProperty) {
		final FromElement joinElement = new InnerJoinElement(ormClassToolMap, joinClass, onLeftProperty, onRigthProperty);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From leftOuterJoin(Class joinClass) {
		return leftOuterJoin(joinClass, joinClass.getSimpleName());
	}

	@Override
	public From leftOuterJoin(Class joinClass, String joinClassAlias) {
		final FromElement joinElement = new LeftOuterJoinElement(ormClassToolMap, joinClass);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From leftOuterJoin(Class joinClass, String onLeftProperty, String onRigthProperty) {
		return leftOuterJoin(joinClass, joinClass.getSimpleName(), onLeftProperty, onRigthProperty);
	}

	@Override
	public From leftOuterJoin(Class joinClass, String joinClassAlias, String onLeftProperty, String onRigthProperty) {
		final FromElement joinElement = new LeftOuterJoinElement(ormClassToolMap, joinClass, onLeftProperty, onRigthProperty);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From rightOuterJoin(Class joinClass) {
		return rightOuterJoin(joinClass, joinClass.getSimpleName());
	}

	@Override
	public From rightOuterJoin(Class joinClass, String joinClassAlias) {
		final FromElement joinElement = new RightOuterJoinElement(ormClassToolMap, joinClass);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From rightOuterJoin(Class joinClass, String onLeftProperty, String onRigthProperty) {
		return rightOuterJoin(joinClass, joinClass.getSimpleName(), onLeftProperty, onRigthProperty);
	}

	@Override
	public From rightOuterJoin(Class joinClass, String joinClassAlias, String onLeftProperty, String onRigthProperty) {
		final FromElement joinElement = new RightOuterJoinElement(ormClassToolMap, joinClass, onLeftProperty, onRigthProperty);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From fullOuterJoin(Class joinClass) {
		return fullOuterJoin(joinClass, joinClass.getSimpleName());
	}

	@Override
	public From fullOuterJoin(Class joinClass, String joinClassAlias) {
		final FromElement joinElement = new FullOuterJoinElement(ormClassToolMap, joinClass);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public From fullOuterJoin(Class joinClass, String onLeftProperty, String onRigthProperty) {
		return fullOuterJoin(joinClass, joinClass.getSimpleName(), onLeftProperty, onRigthProperty);
	}

	@Override
	public From fullOuterJoin(Class joinClass, String joinClassAlias, String onLeftProperty, String onRigthProperty) {
		final FromElement joinElement = new FullOuterJoinElement(ormClassToolMap, joinClass, onLeftProperty, onRigthProperty);
		nameSolver.register(joinClass, joinClassAlias);
		joinElement.setNameSolver(nameSolver);
		joinElements.add(joinElement);
		return this;
	}

	@Override
	public void setNameSolver(INameSolver nameSolver) {
		this.nameSolver = nameSolver;
	}

	@Override
	public String renderSql() {
		final StringBuilder query = new StringBuilder();
		renderSql(query);
		return query.toString();
	}

	@Override
	public void renderSql(StringBuilder StringBuilder) {
		for (final FromElement joinElement : joinElements) {
			joinElement.renderSql(StringBuilder);
		}
	}

	@Override
	public T query() {
		return query;
	}

}