com.github.chengyuxing.sql.support.StatementValueHandler Maven / Gradle / Ivy

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Light wrapper of JDBC, support ddl, dml, query, plsql/procedure/function, transaction and manage sql file.

There is a newer version: 9.0.2

package com.github.chengyuxing.sql.support;

import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * Prepared statement parameter value handler.
 */
@FunctionalInterface
public interface StatementValueHandler {
    /**
     * Custom handle statement parameter value.

     * For support database features do some converts for parameter value by check {@link DatabaseMetaData},  e.g.
     * 
     *     {@link DatabaseMetaData#getDatabaseProductName() getDatabaseProductName()} get current database name;
     *     {@link DatabaseMetaData#getDatabaseProductVersion() getDatabaseProductVersion()} get current database version.
     * 
     *
     * @param ps       prepared statement object ({@link PreparedStatement} | {@link java.sql.CallableStatement CallableStatement})
     * @param index    parameter index
     * @param value    parameter value
     * @param metaData current database metadata
     * @throws SQLException if connection states error
     * @see com.github.chengyuxing.sql.utils.JdbcUtil#setStatementValue(PreparedStatement, int, Object) JdbcUtil.setStatementValue(PreparedStatement, int, Object)
     */
    void handle(PreparedStatement ps, int index, Object value, DatabaseMetaData metaData) throws SQLException;
}