com.djrapitops.plan.db.patches

Class Patch

java.lang.Object

com.djrapitops.plan.db.access.transactions.Transaction

com.djrapitops.plan.db.access.transactions.init.OperationCriticalTransaction

com.djrapitops.plan.db.patches.Patch

Direct Known Subclasses:

BadAFKThresholdValuePatch, DeleteIPHashesPatch, DiskUsagePatch, ExtensionShowInPlayersTablePatch, GeoInfoLastUsedPatch, GeoInfoOptimizationPatch, IPAnonPatch, KillsOptimizationPatch, KillsServerIDPatch, NicknameLastSeenPatch, NicknamesOptimizationPatch, PingOptimizationPatch, SessionAFKTimePatch, SessionsOptimizationPatch, TransferTableRemovalPatch, UserInfoOptimizationPatch, Version10Patch, VersionTableRemovalPatch, WorldsOptimizationPatch, WorldsServerIDPatch, WorldTimesOptimizationPatch, WorldTimesSeverIDPatch

public abstract class Patch
extends OperationCriticalTransaction

Field Summary

Fields inherited from class com.djrapitops.plan.db.access.transactions.Transaction

dbType, success

Constructor Summary

Constructors

Constructor and Description
Patch()

Method Summary

Modifier and Type	Method and Description
protected void	addColumn(java.lang.String tableName, java.lang.String columnInfo)
protected boolean	allValuesHaveValueZero(java.lang.String tableName, java.lang.String column)
protected abstract void	applyPatch()
protected void	dropForeignKeys(java.lang.String referencedTable)
protected void	dropTable(java.lang.String name)
protected void	ensureNoForeignKeyConstraints(java.lang.String table)
abstract boolean	hasBeenApplied()
protected boolean	hasColumn(java.lang.String tableName, java.lang.String columnName)
protected boolean	hasTable(java.lang.String tableName)
protected void	performOperations() Implement this method for transaction execution.
protected void	renameTable(java.lang.String from, java.lang.String to)
protected boolean	shouldBeExecuted() Override this method for conditional execution.

Methods inherited from class com.djrapitops.plan.db.access.transactions.init.OperationCriticalTransaction

executeTransaction

Methods inherited from class com.djrapitops.plan.db.access.transactions.Transaction

execute, execute, executeOther, executeSwallowingExceptions, getServerUUID, query, toString, wasSuccessful

Methods inherited from class java.lang.Object

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

Constructor Detail

Patch

public Patch()

Method Detail

hasBeenApplied

public abstract boolean hasBeenApplied()

applyPatch

protected abstract void applyPatch()

shouldBeExecuted

protected boolean shouldBeExecuted()

Description copied from class: Transaction

Override this method for conditional execution.

Please note that the transaction has not been initialized and class variables are not available for queries. The condition should depend on other variables (Like the data that is to be stored) given to the transaction.

Overrides:

shouldBeExecuted in class Transaction

Returns:

false if the transaction should not execute.

performOperations

protected void performOperations()

Description copied from class: Transaction

Implement this method for transaction execution.

Specified by:

performOperations in class Transaction

hasTable

protected boolean hasTable(java.lang.String tableName)

hasColumn

protected boolean hasColumn(java.lang.String tableName,
                            java.lang.String columnName)

addColumn

protected void addColumn(java.lang.String tableName,
                         java.lang.String columnInfo)

dropTable

protected void dropTable(java.lang.String name)

renameTable

protected void renameTable(java.lang.String from,
                           java.lang.String to)

dropForeignKeys

protected void dropForeignKeys(java.lang.String referencedTable)

ensureNoForeignKeyConstraints

protected void ensureNoForeignKeyConstraints(java.lang.String table)

allValuesHaveValueZero

protected boolean allValuesHaveValueZero(java.lang.String tableName,
                                         java.lang.String column)