Package org.gcube.informationsystem.resourceregistry.persistence.orientdb.health

Class DatabaseHealthCheck

java.lang.Object

org.gcube.informationsystem.resourceregistry.persistence.orientdb.health.DatabaseHealthCheck

All Implemented Interfaces:

org.gcube.common.health.api.HealthCheck

public class DatabaseHealthCheck
extends Object
implements org.gcube.common.health.api.HealthCheck

Readiness of the database: the service is down when the database does not answer, since no operation can run without it. The health report is public: its messages are fixed sentences, the details go to the log.

Author:

Luca Frosini (ISTI - CNR)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DESCRIPTION	What the check verifies, shown next to its name in the health report.
static final String	NAME	The name of the check in the health report.
static final String	UNREACHABLE	The reason given when the database does not answer.

Constructor Summary

Constructors

Constructor	Description
DatabaseHealthCheck()

Method Summary

Modifier and Type	Method	Description
org.gcube.common.health.api.response.HealthCheckResponse	check()	Runs a trivial query on a session of the pool.
String	getDescription()
String	getName()

Methods inherited from class java.lang.Object

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

Field Details

NAME

public static final String NAME

The name of the check in the health report.

See Also:

• Constant Field Values

UNREACHABLE

public static final String UNREACHABLE

The reason given when the database does not answer.

See Also:

• Constant Field Values

DESCRIPTION

public static final String DESCRIPTION

What the check verifies, shown next to its name in the health report.

See Also:

• Constant Field Values

Constructor Details

DatabaseHealthCheck

public DatabaseHealthCheck()

Method Details

getName

public String getName()

Specified by:

getName in interface org.gcube.common.health.api.HealthCheck

getDescription

public String getDescription()

Specified by:

getDescription in interface org.gcube.common.health.api.HealthCheck

check

public org.gcube.common.health.api.response.HealthCheckResponse check()

Runs a trivial query on a session of the pool.

Specified by:

check in interface org.gcube.common.health.api.HealthCheck

Returns:

up when the database answers, down with the reason otherwise