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package org.jooq;

import java.util.List;

import org.jetbrains.annotations.NotNull;


A Key is an object representing a UNIQUE KEY, a
PRIMARY KEY, or a FOREIGN KEY.

Instances of this type cannot be created directly. They are available from
generated code.
Author:
Lukas Eder
Type parameters:
<R> – The KEY's owner table record/**
 * A <code>Key</code> is an object representing a <code>UNIQUE KEY</code>, a
 * <code>PRIMARY KEY</code>, or a <code>FOREIGN KEY</code>.
 * <p>
 * Instances of this type cannot be created directly. They are available from
 * generated code.
 *
 * @param <R> The <code>KEY</code>'s owner table record
 * @author Lukas Eder
 */
public interface Key<R extends Record> extends Named {

    
The Key's owner table
/**
     * The <code>Key</code>'s owner table
     */
    @NotNull
    Table<R> getTable();

    
The fields that make up the KEY
/**
     * The fields that make up the <code>KEY</code>
     */
    @NotNull
    List<TableField<R, ?>> getFields();

    
The fields that make up the KEY
See Also:
getFields()/**
     * The fields that make up the <code>KEY</code>
     *
     * @see #getFields()
     */
    @NotNull
    TableField<R, ?>[] getFieldsArray();

    
Get this KEY as a formal Constraint specification. /**
     * Get this <code>KEY</code> as a formal {@link Constraint} specification.
     */
    @NotNull
    Constraint constraint();

    
Whether this key is being enforced.
/**
     * Whether this key is being enforced.
     */
    boolean enforced();

    
Whether this key is (partially) nullable.
/**
     * Whether this key is (partially) nullable.
     */
    boolean nullable();
}