org.hibernate.cfg.EJB3NamingStrategy.java Source code

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Here is the source code for org.hibernate.cfg.EJB3NamingStrategy.java

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.cfg;

import java.io.Serializable;

import org.hibernate.AssertionFailure;
import org.hibernate.internal.util.StringHelper;

/**
 * Naming strategy implementing the EJB3 standards
 *
 * @author Emmanuel Bernard
 */
public class EJB3NamingStrategy implements NamingStrategy, Serializable {
    public static final NamingStrategy INSTANCE = new EJB3NamingStrategy();

    public String classToTableName(String className) {
        return StringHelper.unqualify(className);
    }

    public String propertyToColumnName(String propertyName) {
        return StringHelper.unqualify(propertyName);
    }

    public String tableName(String tableName) {
        return tableName;
    }

    public String columnName(String columnName) {
        return columnName;
    }

    public String collectionTableName(String ownerEntity, String ownerEntityTable, String associatedEntity,
            String associatedEntityTable, String propertyName) {
        return tableName(new StringBuilder(ownerEntityTable).append("_").append(
                associatedEntityTable != null ? associatedEntityTable : StringHelper.unqualify(propertyName))
                .toString());
    }

    public String joinKeyColumnName(String joinedColumn, String joinedTable) {
        return columnName(joinedColumn);
    }

    public String foreignKeyColumnName(String propertyName, String propertyEntityName, String propertyTableName,
            String referencedColumnName) {
        String header = propertyName != null ? StringHelper.unqualify(propertyName) : propertyTableName;
        if (header == null)
            throw new AssertionFailure("NamingStrategy not properly filled");
        return columnName(header + "_" + referencedColumnName);
    }

    public String logicalColumnName(String columnName, String propertyName) {
        return StringHelper.isNotEmpty(columnName) ? columnName : StringHelper.unqualify(propertyName);
    }

    public String logicalCollectionTableName(String tableName, String ownerEntityTable,
            String associatedEntityTable, String propertyName) {
        if (tableName != null) {
            return tableName;
        } else {
            //use of a stringbuffer to workaround a JDK bug
            return new StringBuffer(ownerEntityTable).append("_").append(
                    associatedEntityTable != null ? associatedEntityTable : StringHelper.unqualify(propertyName))
                    .toString();
        }
    }

    public String logicalCollectionColumnName(String columnName, String propertyName, String referencedColumn) {
        return StringHelper.isNotEmpty(columnName) ? columnName
                : StringHelper.unqualify(propertyName) + "_" + referencedColumn;
    }
}