collectionmetadata.java

一个Java持久层类库

//$Id: CollectionMetadata.java 3890 2004-06-03 16:31:32Z steveebersole $
package org.hibernate.metadata;

import org.hibernate.type.Type;

/**
 * Exposes collection metadata to the application
 *
 * @author Gavin King
 */
public interface CollectionMetadata {
	/**
	 * The collection key type
	 */
	public Type getKeyType();
	/**
	 * The collection element type
	 */
	public Type getElementType();
	/**
	 * The collection index type (or null if the collection has no index)
	 */
	public Type getIndexType();
	/**
	 * Is this collection indexed?
	 */
	public boolean hasIndex();
	/**
	 * The name of this collection role
	 */
	public String getRole();
	/**
	 * Is the collection an array?
	 */
	public boolean isArray();
	/**
	 * Is the collection a primitive array?
	 */
	public boolean isPrimitiveArray();
	/**
	 * Is the collection lazily initialized?
	 */
	public boolean isLazy();
}