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HHH-12505 - Add possibility to disable metadata scanning

This commit is contained in:
Petteri Pitkänen 2018-04-19 09:02:43 +02:00 committed by Chris Cranford
parent 83b2780482
commit cb68d60ce3
1 changed files with 37 additions and 0 deletions
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37
hibernate-core/src/main/java/org/hibernate/boot/archive/scan/internal/DisabledScanner.java Executable file
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.boot.archive.scan.internal;
import java.util.Collections;
import org.hibernate.boot.archive.scan.spi.ClassDescriptor;
import org.hibernate.boot.archive.scan.spi.MappingFileDescriptor;
import org.hibernate.boot.archive.scan.spi.PackageDescriptor;
import org.hibernate.boot.archive.scan.spi.ScanEnvironment;
import org.hibernate.boot.archive.scan.spi.ScanOptions;
import org.hibernate.boot.archive.scan.spi.ScanParameters;
import org.hibernate.boot.archive.scan.spi.ScanResult;
import org.hibernate.boot.archive.scan.spi.Scanner;
/**
* Implementation of Scanner that does nothing. Used for optimizing startup
* time when metadata scanning is not needed.
*
* @author Petteri Pitkanen
*/
public class DisabledScanner implements Scanner {
private static final ScanResult emptyScanResult = new ScanResultImpl(
Collections.<PackageDescriptor>emptySet(),
Collections.<ClassDescriptor>emptySet(),
Collections.<MappingFileDescriptor>emptySet()
);
@Override
public ScanResult scan(final ScanEnvironment environment, final ScanOptions options, final ScanParameters parameters) {
return emptyScanResult;
}
}