edu.ucsb.nceas.metacat
Class DBSimpleQuery

java.lang.Object
  |
  +--edu.ucsb.nceas.metacat.DBSimpleQuery

public class DBSimpleQuery

extends java.lang.Object

A Class that searches a relational DB for elements and attributes that have free text matches to the query string. It returns a result set consisting of the root nodeid for each document that satisfies the query

Constructor Summary

DBSimpleQuery(java.sql.Connection conn)
construct an instance of the DBSimpleQuery class

Method Summary

java.util.Hashtable	findDocuments(java.lang.String query) routine to search the elements and attributes looking to match query
static void	main(java.lang.String[] args) the main routine used to test the DBSimpleQuery utility.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DBSimpleQuery

public DBSimpleQuery(java.sql.Connection conn)
              throws java.io.IOException,
                     java.sql.SQLException,
                     java.lang.ClassNotFoundException

construct an instance of the DBSimpleQuery class

Generally, one would call the findDocuments() routine after creating an instance to specify the search query

Parameters:

conn - the JDBC connection that we use for the query

Method Detail

main

public static void main(java.lang.String[] args)

the main routine used to test the DBSimpleQuery utility. Usage: java DBSimpleQuery [dbstring]

Parameters:

query - the text to search for in the element and attribute content

user - the username to use for the database connection

password - the password to use for the database connection

dbstring - the connection info to use for the database connection

findDocuments

public java.util.Hashtable findDocuments(java.lang.String query)

routine to search the elements and attributes looking to match query

Parameters:

query - the text to search for