org.keycloak.connections.jpa.updater.liquibase.lock

Class CustomLockDatabaseChangeLogGenerator

java.lang.Object

liquibase.sqlgenerator.core.AbstractSqlGenerator<liquibase.statement.core.LockDatabaseChangeLogStatement>

liquibase.sqlgenerator.core.LockDatabaseChangeLogGenerator

org.keycloak.connections.jpa.updater.liquibase.lock.CustomLockDatabaseChangeLogGenerator

All Implemented Interfaces:

liquibase.servicelocator.PrioritizedService, liquibase.sqlgenerator.SqlGenerator<liquibase.statement.core.LockDatabaseChangeLogStatement>

public class CustomLockDatabaseChangeLogGenerator
extends liquibase.sqlgenerator.core.LockDatabaseChangeLogGenerator

We use "SELECT FOR UPDATE" pessimistic locking (Same algorithm like Hibernate LockMode.PESSIMISTIC_WRITE )

Author:

Marek Posolda

Field Summary

Fields inherited from class liquibase.sqlgenerator.core.LockDatabaseChangeLogGenerator

hostaddress, hostDescription, hostname

Fields inherited from interface liquibase.sqlgenerator.SqlGenerator

PRIORITY_DATABASE, PRIORITY_DEFAULT

Fields inherited from interface liquibase.servicelocator.PrioritizedService

COMPARATOR

Constructor Summary

Constructors

Constructor and Description
CustomLockDatabaseChangeLogGenerator()

Method Summary

Modifier and Type	Method and Description
liquibase.sql.Sql[]	generateSql(liquibase.statement.core.LockDatabaseChangeLogStatement statement, liquibase.database.Database database, liquibase.sqlgenerator.SqlGeneratorChain sqlGeneratorChain)
int	getPriority()

Methods inherited from class liquibase.sqlgenerator.core.LockDatabaseChangeLogGenerator

validate

Methods inherited from class liquibase.sqlgenerator.core.AbstractSqlGenerator

generateRollbackStatementsIsVolatile, generateStatementsIsVolatile, looksLikeFunctionCall, supports, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomLockDatabaseChangeLogGenerator

public CustomLockDatabaseChangeLogGenerator()

Method Detail

getPriority

public int getPriority()

Specified by:

getPriority in interface liquibase.servicelocator.PrioritizedService

Specified by:

getPriority in interface liquibase.sqlgenerator.SqlGenerator<liquibase.statement.core.LockDatabaseChangeLogStatement>

Overrides:

getPriority in class liquibase.sqlgenerator.core.AbstractSqlGenerator<liquibase.statement.core.LockDatabaseChangeLogStatement>

generateSql

public liquibase.sql.Sql[] generateSql(liquibase.statement.core.LockDatabaseChangeLogStatement statement,
                                       liquibase.database.Database database,
                                       liquibase.sqlgenerator.SqlGeneratorChain sqlGeneratorChain)

Specified by:

generateSql in interface liquibase.sqlgenerator.SqlGenerator<liquibase.statement.core.LockDatabaseChangeLogStatement>

Overrides:

generateSql in class liquibase.sqlgenerator.core.LockDatabaseChangeLogGenerator