Package com.atlassian.jira.upgrade.util

Class UpgradeUtils

java.lang.Object

com.atlassian.jira.upgrade.util.UpgradeUtils

public class UpgradeUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	UpgradeUtils.ColumnMetaDataExtractor<T>

Constructor Summary

Constructors

Constructor	Description
UpgradeUtils(OfBizDelegator delegator)

Method Summary

Modifier and Type	Method	Description
void	clearColumn(String tableName, String column)
static void	doColumnsOrTablesExist(List<TableColumnCheckResult> tableColumnCheckResults)
static <T> Optional<T>	getColumnInfo(String tableName, String columnName, UpgradeUtils.ColumnMetaDataExtractor<T> valueExtractor)	Returns the exact column name according to the database.
static String	getColumnType(String tableName, String columnName)	Returns the type of the column according to the database.
static String	getExactColumnName(String tableName, String columnName)	Returns the exact column name according to the database.
static String	getExactTableName(String entityName)
static int	getJIRABuildVersionNumber()	This will return the current build version of JIRA present in the database.
static boolean	tableExists(String tableName)	This method is used to verify if a named table exists or not within the database.
void	transformTableColumn(String tableName, String sourceColumn, String targetColumn, org.apache.commons.collections.Transformer transformer)	Transform a column in a table into another column on that same table.

Methods inherited from class java.lang.Object

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

Constructor Details

UpgradeUtils

public UpgradeUtils(OfBizDelegator delegator)

Method Details

transformTableColumn

public void transformTableColumn(String tableName,
 String sourceColumn,
 String targetColumn,
 org.apache.commons.collections.Transformer transformer)

Transform a column in a table into another column on that same table. If the source object is null, then the target field will not be set

Parameters:

tableName - name of table @Nonnull

sourceColumn - name of source column @Nonnull

targetColumn - name of target columns @Nonnull

transformer - the transformer used to transform the column

clearColumn

public void clearColumn(String tableName,
 String column)

tableExists

public static boolean tableExists(String tableName)
                           throws DataAccessException

This method is used to verify if a named table exists or not within the database.

Parameters:

tableName - is the name of the table to look for.

Returns:

true if the table, exists false otherwise.

Throws:

DataAccessException - If there is an error getting a DB connection, or getting the DB meta data

getExactColumnName

@Nullable
public static String getExactColumnName(String tableName,
 String columnName)

Returns the exact column name according to the database. This is found by case insensitively looking for the given column on the given table.

Parameters:

tableName - Table name

columnName - Column name

Returns:

the exact column name or null if it doesn't exist.

getColumnType

@Nullable
public static String getColumnType(String tableName,
 String columnName)

Returns the type of the column according to the database. The column size is NOT included, so this returns VARCHAR for a VARCHAR(255).

Parameters:

tableName - Table name

columnName - Column name

Returns:

the type, without dimension, or null if it does not exist

getColumnInfo

@Nonnull
public static <T> Optional<T> getColumnInfo(String tableName,
 String columnName,
 UpgradeUtils.ColumnMetaDataExtractor<T> valueExtractor)

Returns the exact column name according to the database. This is found by case insensitively looking for the given column on the given table.

Parameters:

tableName - Table name

columnName - Column name

valueExtractor - a function that will obtain the desired information for the column from its metadata

Returns:

the extracted value, or empty() if the column was not found

getExactTableName

public static String getExactTableName(String entityName)

getJIRABuildVersionNumber

public static int getJIRABuildVersionNumber()

This will return the current build version of JIRA present in the database. If JIRA has not been setup then 0 (zero) will be returned as the currnet build number.

Returns:

int the current build version of JIRA

doColumnsOrTablesExist

public static void doColumnsOrTablesExist(List<TableColumnCheckResult> tableColumnCheckResults)