de.hybris.platform.core.system

Interface InitializationLockDao

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

DefaultInitLockDao

public interface InitializationLockDao
extends java.io.Serializable

Database specific logic for InitializationLockHandler.

Method Summary

Modifier and Type	Method and Description
void	createTable() Optionally creates table.
long	getUniqueInstanceIdentifier() Identifier specific for running platform.
boolean	insertRow() Optionally inserts lock row.
boolean	lockRow(Tenant forTenant, java.lang.String processName) Locks row using cluster node ID from given tenant.
InitializationLockInfo	readLockInfo() Reads current locking information.
boolean	releaseRow(Tenant forTenant) Releases existing lock.

Method Detail

readLockInfo

InitializationLockInfo readLockInfo()

Reads current locking information.

Returns:

null if no lock row or table exists, the info object otherwise

releaseRow

boolean releaseRow(Tenant forTenant)

Releases existing lock. Tenant must have cluster node ID that matches the one inside the lock!

lockRow

boolean lockRow(Tenant forTenant,
                java.lang.String processName)

Locks row using cluster node ID from given tenant. Requires lock not being taken before (no matter by which cluster node!).

insertRow

boolean insertRow()

Optionally inserts lock row.

Returns:

true if row could be inserted or row already exists, false on other errors (e.g. table not existing)

createTable

void createTable()

Optionally creates table. If table already exists it does nothing.

getUniqueInstanceIdentifier

long getUniqueInstanceIdentifier()

Identifier specific for running platform. Every platform startup standalone or other should have own unique identifier.