com.dpslink.flash.db.search

Class ProductSearch3IndexBuild

java.lang.Object

java.lang.Thread

com.dpslink.flash.db.search.ProductSearch3IndexBuild

All Implemented Interfaces:

java.io.Serializable, java.lang.Runnable

public class ProductSearch3IndexBuild
extends java.lang.Thread
implements java.io.Serializable

Product search 3 index create command class. Allows the creation process to be run in a background thread.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
static int	cvStatus The index build process status.
static java.lang.Thread	cvThread The thread object.
static int	IN_PROCESS The status 'process running' constant.
protected LuceneIndexer	ivLucene A reference to the Lucene index utility helper class.
static java.lang.String	SEARCH3_FOLDER The full path to the search index directory.
private static long	serialVersionUID The class' serialization version id.
static int	STOPPED The status 'process idle' constant.
static java.lang.String	TSFILE_NAME The full path to the search index status timestamp file.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
ProductSearch3IndexBuild() Default constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.String	columnToString(java.sql.ResultSet rs, java.lang.String colname) Returns a String object from the given result set of database records for the specified column name.
protected java.io.PrintWriter	getTimestampFile() Returns the log file's writer.
protected void	init() Initialize the class (called from constructor, implemented as a separate method so it can be overridden in subclasses).
static void	main(java.lang.String[] args) Method called to execute product index creation task.
java.lang.String[]	resultSetToStringArr(java.sql.ResultSet rs) Returns a String[] object from the given result set of database records.
void	run() Run command.
private java.lang.String	suppressZeros(java.lang.String s) Trims leading zeros from the left size of a string.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

The class' serialization version id.

See Also:

Constant Field Values

cvThread

public static java.lang.Thread cvThread

The thread object.

IN_PROCESS

public static final int IN_PROCESS

The status 'process running' constant.

See Also:

Constant Field Values

STOPPED

public static final int STOPPED

The status 'process idle' constant.

See Also:

Constant Field Values

cvStatus

public static int cvStatus

The index build process status.

SEARCH3_FOLDER

public static final java.lang.String SEARCH3_FOLDER

The full path to the search index directory.

TSFILE_NAME

public static final java.lang.String TSFILE_NAME

The full path to the search index status timestamp file.

ivLucene

protected LuceneIndexer ivLucene

A reference to the Lucene index utility helper class.

Constructor Detail

ProductSearch3IndexBuild

public ProductSearch3IndexBuild()

Default constructor.

Method Detail

init

protected void init()

Initialize the class (called from constructor, implemented as a separate method so it can be overridden in subclasses).

run

public void run()

Run command.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

getTimestampFile

protected java.io.PrintWriter getTimestampFile()

Returns the log file's writer.

Returns:

PrintWriter - Writer for the log file.

resultSetToStringArr

public java.lang.String[] resultSetToStringArr(java.sql.ResultSet rs)
                                        throws java.sql.SQLException

Returns a String[] object from the given result set of database records.

Parameters:

rs - (ResultSet) The result set containing the database record from which the new Product object is to be created.

Returns:

String[] - An instance of the String[] object, initialized with values from the result set.

Throws:

java.sql.SQLException - - if an error occurs while processing the result set.

columnToString

public java.lang.String columnToString(java.sql.ResultSet rs,
                                       java.lang.String colname)
                                throws java.sql.SQLException

Returns a String object from the given result set of database records for the specified column name.

Parameters:

rs - (ResultSet) The result set containing the database record from which a column's string value is to be retrieved.

colname - (String) The name of the column from which a string is to be retrieved and returned.

Returns:

String - The specified column's value as a String. A null column value is returned as an empty string.

Throws:

java.sql.SQLException - if an error occurs while processing the result set.

suppressZeros

private java.lang.String suppressZeros(java.lang.String s)

Trims leading zeros from the left size of a string.

Parameters:

s - (String) String with leading zeros.

Returns:

String - Zero suppressed value.

main

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

Method called to execute product index creation task.

Parameters:

args - (String[]) The array of command line arguments.