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recoinx.clef.irs.mysql
Class CLEFMySQLAdapter  

java.lang.Object
  recoin.group.ComponentWorker
      recoin.group.adapter.JDBCAdapter
          recoin.group.adapter.JDBCSingleAdapter
              recoinx.clef.irs.mysql.CLEFMySQLAdapter

Direct Known Subclasses:

MySQLEnglishAdapter, MySQLFrenchAdapter, MySQLGermanAdapter, MySQLSpanishAdapter

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public abstract class CLEFMySQLAdapter

extends recoin.group.adapter.JDBCSingleAdapter

Abstract super class for ComponentWorkers that use the MySQL search engine for retrieval.

This class provides attributes and methods to search the indexes of the MySQL database.

Version:

0.2.9

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Nested Class Summary
protected  class	CLEFMySQLAdapter.MySQLRunnable           The MySQLRunnable class implements the special behavior to query the indexes of the database.

 

Field Summary
(package private) static org.apache.log4j.Logger	logger           The logger of this class.
protected  boolean	merge           Flag to signal whether any results from the different collections should be merged into one CLEFResultList or added to the container separately.
protected  boolean	normalize           Flag to signal whether any results should be normalized.
private  java.sql.PreparedStatement	statement           A PreparedStatement.
protected  int[]	tables           The static int values of the collections to search.

 

Fields inherited from class recoin.group.adapter.JDBCSingleAdapter

connection

 

Fields inherited from class recoin.group.adapter.JDBCAdapter

databaseName, driverName, jdbcURL, password, port, serverName, user

 

Fields inherited from class recoin.group.ComponentWorker

component

 

Constructor Summary

CLEFMySQLAdapter()           Creates a new CLEFMySQLAdapter.

 

Method Summary
protected  recoinx.clef.CLEFResultList	createResultList(java.sql.ResultSet results)           Creates a new CLEFResultList using the results in the specified ResultSet.
protected  recoinx.clef.CLEFResultList	executeQuery(java.lang.String query, int table)           Executes the specified query according to the specified table and returns the results in a CLEFResultList.
void	initiate(recoin.group.Component c)           Initiates this CLEFMySQLAdapter by passing the specified Component to the superclass's initiate() method and by initiating the attributes.
protected  java.lang.String[]	tokenizeQueryString(java.lang.String queryString)           Returns a String[] that contains the tokens, i.e.

 

Methods inherited from class recoin.group.adapter.JDBCSingleAdapter

getConnection, getConnection

 

Methods inherited from class recoin.group.ComponentWorker

createComponentRunnable, createComponentRunnable, createComponentRunnable

 

Methods inherited from class java.lang.Object

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

 

Field Detail

logger

static org.apache.log4j.Logger logger

The logger of this class.

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statement

private java.sql.PreparedStatement statement

A PreparedStatement.

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normalize

protected boolean normalize

Flag to signal whether any results should be normalized.

This parameter is overwritten if a an attribute with the same name exists in the repository for this Component. Default is 'false'.

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merge

protected boolean merge

Flag to signal whether any results from the different collections should be merged into one CLEFResultList or added to the container separately.

This parameter is overwritten if a an attribute with the same name exists in the repository for this Component. Default is 'true'.

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tables

protected int[] tables

The static int values of the collections to search.

Constructor Detail

CLEFMySQLAdapter

public CLEFMySQLAdapter()

Creates a new CLEFMySQLAdapter.

Method Detail

initiate

public void initiate(recoin.group.Component c)
              throws recoin.exception.InitiationException

Initiates this CLEFMySQLAdapter by passing the specified Component to the superclass's initiate() method and by initiating the attributes. A Connection to the database is established as well.

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executeQuery

protected recoinx.clef.CLEFResultList executeQuery(java.lang.String query,
                                                   int table)
                                            throws java.sql.SQLException

Executes the specified query according to the specified table and returns the results in a CLEFResultList.

The specified table and query are used to assemble and compile a PreparedStatement which is executed. The results are stored in a CLEFResultList that has its attributes set to represent the collection the results were found in.

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createResultList

protected recoinx.clef.CLEFResultList createResultList(java.sql.ResultSet results)

Creates a new CLEFResultList using the results in the specified ResultSet.

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tokenizeQueryString

protected java.lang.String[] tokenizeQueryString(java.lang.String queryString)

Returns a String[] that contains the tokens, i.e. single words from the specified query string.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> recoinx >> clef >> irs >> [ mysql overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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