org.hibernate.id.IntegralDataTypeHolder.java Source code

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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.id;

import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * Defines a common api for dealing with data of integral data type.
 *
 * @author Steve Ebersole
 */
public interface IntegralDataTypeHolder extends Serializable {
    /**
     * Initialize the internal value from the given primitive long.
     *
     * @param value The primitive integral value.
     *
     * @return <tt>this</tt>, for method chaining
     */
    public IntegralDataTypeHolder initialize(long value);

    /**
     * Initialize the internal value from the given result set, using the specified default value
     * if we could not get a value from the result set (aka result was null).
     *
     * @param resultSet The JDBC result set
     * @param defaultValue The default value to use if we did not get a result set value.
     *
     * @return <tt>this</tt>, for method chaining
     *
     * @throws SQLException Any exception from accessing the result set
     */
    public IntegralDataTypeHolder initialize(ResultSet resultSet, long defaultValue) throws SQLException;

    /**
     * Bind this holders internal value to the given result set.
     *
     * @param preparedStatement The JDBC prepared statement
     * @param position The position at which to bind
     *
     * @throws SQLException Any exception from accessing the statement
     */
    public void bind(PreparedStatement preparedStatement, int position) throws SQLException;

    /**
     * Equivalent to a ++ operation
     *
     * @return <tt>this</tt>, for method chaining
     */
    public IntegralDataTypeHolder increment();

    /**
     * Perform an addition
     *
     * @param addend The value to add to this integral.
     *
     * @return <tt>this</tt>, for method chaining
     */
    public IntegralDataTypeHolder add(long addend);

    /**
     * Equivalent to a -- operation
     *
     * @return <tt>this</tt>, for method chaining
     */
    public IntegralDataTypeHolder decrement();

    /**
     * Perform a subtraction
     *
     * @param subtrahend The value to subtract from this integral.
     *
     * @return <tt>this</tt>, for method chaining
     */
    public IntegralDataTypeHolder subtract(long subtrahend);

    /**
     * Perform a multiplication.
     *
     * @param factor The factor by which to multiple this integral
     *
     * @return <tt>this</tt>, for method chaining
     */
    public IntegralDataTypeHolder multiplyBy(IntegralDataTypeHolder factor);

    /**
     * Perform a multiplication.
     *
     * @param factor The factor by which to multiple this integral
     *
     * @return <tt>this</tt>, for method chaining
     */
    public IntegralDataTypeHolder multiplyBy(long factor);

    /**
     * Perform an equality comparison check
     *
     * @param other The other value to check against our internal state
     *
     * @return True if the two are equal
     */
    public boolean eq(IntegralDataTypeHolder other);

    /**
     * Perform an equality comparison check
     *
     * @param other The other value to check against our internal state
     *
     * @return True if the two are equal
     */
    public boolean eq(long other);

    /**
     * Perform a "less than" comparison check.  We check to see if our value is less than
     * the incoming value...
     *
     * @param other The other value to check against our internal state
     *
     * @return True if our value is less than the 'other' value.
     */
    public boolean lt(IntegralDataTypeHolder other);

    /**
     * Perform a "less than" comparison check.  We check to see if our value is less than
     * the incoming value...
     *
     * @param other The other value to check against our internal state
     *
     * @return True if our value is less than the 'other' value.
     */
    public boolean lt(long other);

    /**
     * Perform a "greater than" comparison check.  We check to see if our value is greater
     * than the incoming value...
     *
     * @param other The other value to check against our internal state
     *
     * @return True if our value is greater than the 'other' value.
     */
    public boolean gt(IntegralDataTypeHolder other);

    /**
     * Perform a "greater than" comparison check.  We check to see if our value is greater
     * than the incoming value...
     *
     * @param other The other value to check against our internal state
     *
     * @return True if our value is greater than the 'other' value.
     */
    public boolean gt(long other);

    /**
     * Make a copy of this holder.
     *
     * @return The copy.
     */
    public IntegralDataTypeHolder copy();

    /**
     * Return the internal value.
     *
     * @return The current internal value
     */
    public Number makeValue();

    /**
     * Increment the internal state, but return the pre-incremented value.
     *
     * @return The pre-incremented internal value
     */
    public Number makeValueThenIncrement();

    /**
     * Increment the internal state by the given addend, but return the pre-incremented value.
     *
     * @param addend The value to be added to our internal state
     *
     * @return The pre-incremented internal value
     */
    public Number makeValueThenAdd(long addend);
}