https://github.com/pgjdbc/pgjdbc: Java JDBC 4.2 (JRE 8+) driver for PostgreSQL database (PostgreSQL Global Development Group)
  • Dave Cramer
  • Kris Jurka
  • Oliver Jowett
  • Craig Ringer
  • Vladimir Sitnikov 
/*
 * Copyright (c) 2004, PostgreSQL Global Development Group
 * See the LICENSE file in the project root for more information.
 */

package org.postgresql.jdbc2;


Implement this interface and register the its instance to ArrayAssistantRegistry, to let Postgres
driver to support more array type.

Author:Minglei Tu
/**
 * Implement this interface and register the its instance to ArrayAssistantRegistry, to let Postgres
 * driver to support more array type.
 *
 * @author Minglei Tu
 */
public interface ArrayAssistant {
  
get array base type.

Returns:array base type
/**
   * get array base type.
   *
   * @return array base type
   */
  Class<?> baseType();

  
build a array element from its binary bytes.

Params:
  • bytes – input bytes
  • pos – position in input array
  • len – length of the element
Returns:array element from its binary bytes
/**
   * build a array element from its binary bytes.
   *
   * @param bytes input bytes
   * @param pos position in input array
   * @param len length of the element
   * @return array element from its binary bytes
   */
  Object buildElement(byte[] bytes, int pos, int len);

  
build an array element from its literal string.

Params:
  • literal – string representation of array element
Returns:array element
/**
   * build an array element from its literal string.
   *
   * @param literal string representation of array element
   * @return array element
   */
  Object buildElement(String literal);
}