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org.bimserver.database.migrations.Schema Maven / Gradle / Ivy
package org.bimserver.database.migrations;
/******************************************************************************
* Copyright (C) 2009-2016 BIMserver.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see {@literal packages = new TreeMap();
private final Map> directSubClasses = new HashMap>();
private final Map> indirectSubClasses = new HashMap>();
private final Set changes = new LinkedHashSet();
public static enum Multiplicity {
SINGLE,
MANY
}
private void initSubClasses() {
for (EPackage ePackage : packages.values()) {
for (EClassifier eClassifier : ePackage.getEClassifiers()) {
if (eClassifier instanceof EClass) {
EClass eClass = (EClass) eClassifier;
initDirectSubClasses(eClass);
initIndirectSubClasses(eClass);
}
}
}
}
private void initDirectSubClasses(EClass eClass) {
HashSet set = new HashSet();
directSubClasses.put(eClass, set);
set.add(eClass);
for (EClassifier eClassifier : eClass.getEPackage().getEClassifiers()) {
if (eClassifier instanceof EClass) {
EClass e = (EClass) eClassifier;
if (e.getESuperTypes().contains(eClass)) {
set.add(e);
}
}
}
}
public Set getEPackages() {
return new HashSet(packages.values());
}
private void initIndirectSubClasses(EClass eClass) {
HashSet set = new HashSet();
indirectSubClasses.put(eClass, set);
set.add(eClass);
for (EClassifier eClassifier : eClass.getEPackage().getEClassifiers()) {
if (eClassifier instanceof EClass) {
EClass e = (EClass) eClassifier;
if (eClass.isSuperTypeOf(e)) {
set.add(e);
}
}
}
}
public EPackage getEPackage(String name) {
return packages.get(name);
}
public EPackage createEPackage(String name) {
EPackage ePackage = EcoreFactory.eINSTANCE.createEPackage();
ePackage.setName(name);
ePackage.setNsPrefix(name);
ePackage.setNsURI(name);
packages.put(ePackage.getName(), ePackage);
return ePackage;
}
public EEnum createEEnum(EPackage ePackage, String name) {
EEnum eEnum = EcoreFactory.eINSTANCE.createEEnum();
changes.add(new NewEnumChange(eEnum));
ePackage.getEClassifiers().add(eEnum);
eEnum.setName(name);
return eEnum;
}
public EEnumLiteral createEEnumLiteral(EEnum eEnum, String name, int value) {
EEnumLiteral eEnumLiteral = EcoreFactory.eINSTANCE.createEEnumLiteral();
eEnumLiteral.setValue(value);
eEnum.getELiterals().add(eEnumLiteral);
eEnumLiteral.setName(name);
return eEnumLiteral;
}
public EEnumLiteral createEEnumLiteral(EEnum eEnum, String name) {
EEnumLiteral eEnumLiteral = EcoreFactory.eINSTANCE.createEEnumLiteral();
if (eEnum.getELiterals().size() == 0) {
eEnumLiteral.setValue(0);
} else {
int largestValue = Integer.MIN_VALUE;
for (EEnumLiteral existingLiteral : eEnum.getELiterals()) {
if (existingLiteral.getValue() > largestValue) {
largestValue = existingLiteral.getValue();
}
}
eEnumLiteral.setValue(largestValue + 1);
}
eEnum.getELiterals().add(eEnumLiteral);
eEnumLiteral.setName(name);
return eEnumLiteral;
}
public EClass createEClass(EPackage ePackage, String name, EClass... superClasses) {
EClass eClass = EcoreFactory.eINSTANCE.createEClass();
eClass.setName(name);
changes.add(new NewClassChange(eClass));
for (EClass superClass : superClasses) {
eClass.getESuperTypes().add(superClass);
}
ePackage.getEClassifiers().add(eClass);
return eClass;
}
public EAttribute createEAttribute(EClass eClass, String name, EDataType eDataType, Multiplicity multiplicity) {
EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
eAttribute.setName(name);
if (multiplicity == Multiplicity.MANY) {
eAttribute.setUpperBound(-1);
}
if (!isNew(eClass)) {
changes.add(new NewAttributeChange(this, eClass.getEAllStructuralFeatures().size(), eAttribute));
}
eAttribute.setEType(eDataType);
eClass.getEStructuralFeatures().add(eAttribute);
return eAttribute;
}
public EAttribute createEAttribute(EClass eClass, String name, EDataType eDataType) {
return createEAttribute(eClass, name, eDataType, Multiplicity.SINGLE);
}
private boolean isNew(EClass eClass) {
for (Change change : changes) {
if (change instanceof NewClassChange) {
NewClassChange newClassChange = (NewClassChange)change;
if (newClassChange.getEClass() == eClass) {
return true;
}
}
}
return false;
}
public EReference createEReference(EClass eClass, String name, EClass type, Multiplicity multiplicity) {
EReference eReference = EcoreFactory.eINSTANCE.createEReference();
eReference.setName(name);
if (multiplicity == Multiplicity.MANY) {
eReference.setUpperBound(-1);
}
if (!isNew(eClass)) {
changes.add(new NewReferenceChange(this, eClass.getEAllStructuralFeatures().size(), eReference));
}
eReference.setEType(type);
eClass.getEStructuralFeatures().add(eReference);
return eReference;
}
public void writeToEcore(File file) {
ResourceSet resourceSet = new ResourceSetImpl();
resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("ecore", new EcoreResourceFactoryImpl());
Resource resource = resourceSet.createResource(URI.createFileURI(file.getAbsolutePath()));
for (EPackage ePackage : packages.values()) {
resource.getContents().add(ePackage);
}
try {
resource.save(null);
} catch (IOException e) {
LOGGER.error("", e);
}
}
public void upgradeDatabase(Database database, int version, DatabaseSession databaseSession) {
LOGGER.info("Upgrading database to version " + version);
initSubClasses();
for (Change change : changes) {
try {
change.change(database, databaseSession);
} catch (Exception e) {
LOGGER.error("", e);
}
}
try {
database.setDatabaseVersion(version, databaseSession);
} catch (BimserverLockConflictException e) {
LOGGER.error("", e);
}
}
public EClass getEClass(String packageName, String name) {
EPackage ePackage = packages.get(packageName);
if (ePackage == null) {
throw new RuntimeException("Package with name " + name + " not found");
}
EClass eClassifier = (EClass) ePackage.getEClassifier(name);
if (eClassifier == null) {
throw new RuntimeException("Class " + name + " not found in " + packageName);
}
return eClassifier;
}
public void clearUpdates() {
changes.clear();
}
@SuppressWarnings("rawtypes")
public void loadEcore(String name, InputStream inputStream) {
ResourceSet resourceSet = new ResourceSetImpl();
resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("ecore", new EcoreResourceFactoryImpl());
Resource resource = resourceSet.createResource(URI.createURI(name));
try {
resource.load(inputStream, new HashMap());
for (EObject eObject : resource.getContents()) {
if (eObject instanceof EPackage) {
EPackage ePackage = (EPackage)eObject;
addEPackage(ePackage);
}
}
} catch (IOException e) {
LOGGER.error("", e);
}
}
public void addEPackage(EPackage ePackage) {
packages.put(ePackage.getName(), ePackage);
changes.add(new NewPackageChange(ePackage));
for (EClassifier eClassifier : ePackage.getEClassifiers()) {
if (eClassifier instanceof EClass) {
EClass eClass = (EClass)eClassifier;
addEClass(eClass);
}
}
}
private void addEClass(EClass eClass) {
changes.add(new NewClassChange(eClass));
}
public Set getSubClasses(EClass eClass) {
return indirectSubClasses.get(eClass);
}
public EEnum getEEnum(String packageName, String enumName) {
return (EEnum) packages.get(packageName).getEClassifier(enumName);
}
public EDataType createEDataType(EPackage ePackage, EDataType dataType) {
ePackage.getEClassifiers().add(dataType);
return dataType;
}
public EClass createEClass(String packageName, String className) {
return createEClass(getEPackage(packageName), className);
}
public EEnum createEEnum(String packageName, String enumName) {
return createEEnum(getEPackage(packageName), enumName);
}
public EClass createEClass(String packageName, String className, EClass... superTypes) {
return createEClass(getEPackage(packageName), className, superTypes);
}
public void removeEReference(EClass eClass, String name) {
eClass.getEStructuralFeatures().remove(eClass.getEStructuralFeature(name));
}
public void addIndex(EStructuralFeature eStructuralFeature) {
changes.add(new AddIndexChange(this, eStructuralFeature));
EAnnotation index = EcoreFactory.eINSTANCE.createEAnnotation();
index.setSource("singleindex");
eStructuralFeature.getEAnnotations().add(index);
}
}
