Package io.ebeaninternal.dbmigration.ddlgeneration.platform.util

Class IndexSet

java.lang.Object

io.ebeaninternal.dbmigration.ddlgeneration.platform.util.IndexSet

public class IndexSet
extends Object

The indexes held on the table.

Used to detect when we don't need to add an index on the foreign key columns when there is an existing unique constraint with the same columns.

Constructor Summary

Constructors

Constructor	Description
IndexSet()

Method Summary

Modifier and Type	Method	Description
void	add(IndexColumns index)	Add the externally created unique constraint here so that we check later if foreign key indexes don't need to be created (as the columns match this unique constraint).
void	add(String column)	Add an index for the given column.
boolean	add(String[] columns)	Return true if an index should be added for the given columns.
void	clear()	Clear the indexes (for each table).
boolean	contains(String column)
boolean	contains(List<String> columns)
List<IndexColumns>	getIndexes()

Methods inherited from class java.lang.Object

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

Constructor Details

IndexSet

public IndexSet()

Method Details

clear

public void clear()

Clear the indexes (for each table).

add

public void add(String column)

Add an index for the given column.

add

public boolean add(String[] columns)

Return true if an index should be added for the given columns.

Returning false indicates there is an existing index (unique constraint) with these columns and that an extra index should not be added.

add

public void add(IndexColumns index)

Add the externally created unique constraint here so that we check later if foreign key indexes don't need to be created (as the columns match this unique constraint).

contains

public boolean contains(String column)

contains

public boolean contains(List<String> columns)

getIndexes

public List<IndexColumns> getIndexes()