com.exalead.search.searchapi

Class IsAliveCommand

java.lang.Object

com.exalead.search.searchapi.Command

com.exalead.search.searchapi.IsAliveCommand

All Implemented Interfaces:

com.exalead.search.SearchEventListener

public class IsAliveCommand
extends Command

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	cachedMessage
boolean	cachedStatus
IsAliveCommand	config

Fields inherited from class com.exalead.search.searchapi.Command

delegate, queryState, runningQueries, startingQueries

Constructor Summary

Constructors

Constructor and Description
IsAliveCommand(IsAliveCommand config)

Method Summary

Modifier and Type	Method and Description
void	configure() Build the configuration
void	execute(java.lang.String pathInfo, javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp) Execute the command
protected void	fillServletRequest(java.lang.String query, FakeServlet.FakeServletRequest req)
void	onDeinit() When this is called, this command is not used anymore, and the lock has been released.
void	waitForStartingQueries() Called at the beginning of a dynamic reconfiguration cycle.

Methods inherited from class com.exalead.search.searchapi.Command

onPreReconfiguration, onQueryDone, onQueryStarted, onQueryStarting, onReconfigurationStarting, removeJettyStuff, sendError, setSearchAPIDelegate

Methods inherited from class java.lang.Object

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

Field Detail

config

public IsAliveCommand config

cachedStatus

public boolean cachedStatus

cachedMessage

public java.lang.String cachedMessage

Constructor Detail

IsAliveCommand

public IsAliveCommand(IsAliveCommand config)

Method Detail

fillServletRequest

protected void fillServletRequest(java.lang.String query,
                                  FakeServlet.FakeServletRequest req)
                           throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

configure

public void configure()

Description copied from class: Command

Build the configuration

Specified by:

configure in class Command

onDeinit

public void onDeinit()

Description copied from class: Command

When this is called, this command is not used anymore, and the lock has been released.

Overrides:

onDeinit in class Command

waitForStartingQueries

public void waitForStartingQueries()

Description copied from class: Command

Called at the beginning of a dynamic reconfiguration cycle. This must wait for all queries that are currently "starting" to be "started". A query can be declared as started when it does not access search targets anymore.

Overrides:

waitForStartingQueries in class Command

execute

public void execute(java.lang.String pathInfo,
                    javax.servlet.http.HttpServletRequest req,
                    javax.servlet.http.HttpServletResponse resp)
             throws javax.servlet.ServletException,
                    java.io.IOException

Description copied from class: Command

Execute the command

Specified by:

execute in class Command

Parameters:

pathInfo - The path relative to the command base

Throws:

javax.servlet.ServletException

java.io.IOException