CollectionMetadata (hibernate-jdk11 5.4.12.Final API)

所有已知实现类:

AbstractCollectionPersister, BasicCollectionPersister, OneToManyPersister
```
public interface CollectionMetadata
```
Exposes collection metadata to the application

作者:

Gavin King

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`Type`	`getElementType()`	The collection element type
`Type`	`getIndexType()`	The collection index type (or null if the collection has no index)
`Type`	`getKeyType()`	The collection key type
`String`	`getRole()`	The name of this collection role
`boolean`	`hasIndex()`	Is this collection indexed?
`boolean`	`isArray()`	Is the collection an array?
`boolean`	`isLazy()`	Is the collection lazily initialized?
`boolean`	`isPrimitiveArray()`	Is the collection a primitive array?

- 方法详细资料
  - getKeyType
```
Type getKeyType()
```
    The collection key type
  - getElementType
```
Type getElementType()
```
    The collection element type
  - getIndexType
```
Type getIndexType()
```
    The collection index type (or null if the collection has no index)
  - hasIndex
```
boolean hasIndex()
```
    Is this collection indexed?
  - getRole
```
String getRole()
```
    The name of this collection role
  - isArray
```
boolean isArray()
```
    Is the collection an array?
  - isPrimitiveArray
```
boolean isPrimitiveArray()
```
    Is the collection a primitive array?
  - isLazy
```
boolean isLazy()
```
    Is the collection lazily initialized?