IndexSet (ebean 12.3.3 API)

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

All Methods Instance Methods Concrete Methods
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 Detail
  - IndexSet
```
public IndexSet()
```
- Method Detail
  - 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()
```