Module org.itsallcode.jdbc

Package org.itsallcode.jdbc.resultset.generic

Record Class SimpleMetaData

java.lang.Object

java.lang.Record

org.itsallcode.jdbc.resultset.generic.SimpleMetaData

Record Components:

columns - all column metadata for the result set

public record SimpleMetaData(List<ColumnMetaData> columns)
extends Record

A wrapper for ResultSetMetaData to simplify usage.

Constructor Summary

Constructors

Constructor	Description
SimpleMetaData(List<ColumnMetaData> columns)	Creates an instance of a SimpleMetaData record class.

Method Summary

Modifier and Type	Method	Description
List<ColumnMetaData>	columns()	Returns the value of the columns record component.
static SimpleMetaData	create(ResultSet resultSet)	Create a new SimpleMetaData for a given ResultSet.
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
ColumnMetaData	getColumnByIndex(int index)	Get column metadata for a given index (one based).
final int	hashCode()	Returns a hash code value for this object.
final String	toString()	Returns a string representation of this record class.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

SimpleMetaData

public SimpleMetaData(List<ColumnMetaData> columns)

Creates an instance of a SimpleMetaData record class.

Parameters:

columns - the value for the columns record component

Method Details

create

public static SimpleMetaData create(ResultSet resultSet)

Create a new SimpleMetaData for a given ResultSet.

Parameters:

resultSet - the result set

Returns:

simple metadata

getColumnByIndex

public ColumnMetaData getColumnByIndex(int index)

Get column metadata for a given index (one based).

Parameters:

index - column index (one based)

Returns:

column metadata

toString

public final String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

columns

public List<ColumnMetaData> columns()

Returns the value of the columns record component.

Returns:

the value of the columns record component