org.hibernate.type.IntegerType.java Source code

Introduction

Here is the source code for org.hibernate.type.IntegerType.java

Source

/*
 * 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.type;

import java.io.Serializable;
import java.util.Comparator;

import org.hibernate.dialect.Dialect;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.type.descriptor.java.IntegerTypeDescriptor;

/**
 * A type that maps between {@link java.sql.Types#INTEGER INTEGER} and @link Integer}
 *
 * @author Gavin King
 * @author Steve Ebersole
 */
public class IntegerType extends AbstractSingleColumnStandardBasicType<Integer>
        implements PrimitiveType<Integer>, DiscriminatorType<Integer>, VersionType<Integer> {

    public static final IntegerType INSTANCE = new IntegerType();

    public static final Integer ZERO = 0;

    public IntegerType() {
        super(org.hibernate.type.descriptor.sql.IntegerTypeDescriptor.INSTANCE, IntegerTypeDescriptor.INSTANCE);
    }

    @Override
    public String getName() {
        return "integer";
    }

    @Override
    public String[] getRegistrationKeys() {
        return new String[] { getName(), int.class.getName(), Integer.class.getName() };
    }

    @Override
    public Serializable getDefaultValue() {
        return ZERO;
    }

    @Override
    public Class getPrimitiveClass() {
        return int.class;
    }

    @Override
    public String objectToSQLString(Integer value, Dialect dialect) throws Exception {
        return toString(value);
    }

    @Override
    public Integer stringToObject(String xml) {
        return fromString(xml);
    }

    @Override
    public Integer seed(SharedSessionContractImplementor session) {
        return ZERO;
    }

    @Override
    public Integer next(Integer current, SharedSessionContractImplementor session) {
        return current + 1;
    }

    @Override
    public Comparator<Integer> getComparator() {
        return getJavaTypeDescriptor().getComparator();
    }
}