ShardingMetadata.SubKeyMetadata (Oracle Database JDBC Java API Reference)

java.lang.Object
- oracle.jdbc.pool.ShardingMetadata.SubKeyMetadata

All Implemented Interfaces:

Comparable<ShardingMetadata.SubKeyMetadata>

Enclosing class:

ShardingMetadata
```
public static class ShardingMetadata.SubKeyMetadata
extends Object
implements Comparable<ShardingMetadata.SubKeyMetadata>
```
Holds the shard sub key metadata information extracted from the database.

Constructor Summary

Constructors
Constructor Description

SubKeyMetadata(int index, SQLType dataType, int charSet)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compareTo(ShardingMetadata.SubKeyMetadata o)`	Method used to defined natural ordering for the sub key column info based on the column index.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SubKeyMetadata
```
public SubKeyMetadata(int index,
                      SQLType dataType,
                      int charSet)
```
    Parameters:
    
    index - column index of the subkey
    
    dataType - type of the subkey to be constructed
    
    charSet - character set of the subkey in the database
- Method Detail
  - compareTo
```
public int compareTo(ShardingMetadata.SubKeyMetadata o)
```
    Method used to defined natural ordering for the sub key column info based on the column index.
    
    Specified by:
    
    compareTo in interface Comparable<ShardingMetadata.SubKeyMetadata>
    
    Parameters:
    
    o - SubKeyMetadata to which this object is to be compared.
    
    Returns:
    
    -1, 0 or 1 as this metadata is less than, equal to, or greater than the metadata that is passed in as a method parameter
    
    See Also:
    
    Comparable.compareTo(java.lang.Object)