org.onetwo.jpa.hibernate.ImprovedPhysicalNamingStrategy Maven / Gradle / Ivy

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package org.onetwo.jpa.hibernate;

import java.util.Locale;

import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.boot.model.naming.PhysicalNamingStrategy;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;

/**
 * @author wayshall
 * 

 */
public class ImprovedPhysicalNamingStrategy implements PhysicalNamingStrategy {
	public static final ImprovedPhysicalNamingStrategy INSTANCE = new ImprovedPhysicalNamingStrategy();

	@Override
	public Identifier toPhysicalCatalogName(Identifier name, JdbcEnvironment jdbcEnvironment) {
		return name;
	}

	@Override
	public Identifier toPhysicalSchemaName(Identifier name, JdbcEnvironment jdbcEnvironment) {
		return name;
	}

	@Override
	public Identifier toPhysicalTableName(Identifier name, JdbcEnvironment jdbcEnvironment) {
		return new Identifier(addUnderscores(name.getText()), name.isQuoted());
	}

	@Override
	public Identifier toPhysicalSequenceName(Identifier name, JdbcEnvironment jdbcEnvironment) {
		return new Identifier(addUnderscores(name.getText()), name.isQuoted());
	}

	@Override
	public Identifier toPhysicalColumnName(Identifier name, JdbcEnvironment jdbcEnvironment) {
		return new Identifier(addUnderscores(name.getText()), name.isQuoted());
	}

	protected static String addUnderscores(String name) {
		StringBuilder buf = new StringBuilder( name.replace('.', '_') );
		for (int i=1; i