| /* |
| * Copyright (c) 2009-2013, 2015 Eike Stepper (Berlin, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.internal.common.model; |
| |
| import org.eclipse.emf.cdo.common.model.CDOModelUtil; |
| import org.eclipse.emf.cdo.common.model.CDOPackageTypeRegistry; |
| import org.eclipse.emf.cdo.common.model.CDOPackageUnit; |
| import org.eclipse.emf.cdo.common.model.EMFUtil; |
| import org.eclipse.emf.cdo.common.protocol.CDODataInput; |
| import org.eclipse.emf.cdo.common.protocol.CDODataOutput; |
| import org.eclipse.emf.cdo.common.util.CDOCommonUtil; |
| import org.eclipse.emf.cdo.internal.common.bundle.OM; |
| import org.eclipse.emf.cdo.internal.common.messages.Messages; |
| import org.eclipse.emf.cdo.spi.common.model.InternalCDOPackageInfo; |
| import org.eclipse.emf.cdo.spi.common.model.InternalCDOPackageRegistry; |
| import org.eclipse.emf.cdo.spi.common.model.InternalCDOPackageRegistry.PackageLoader; |
| import org.eclipse.emf.cdo.spi.common.model.InternalCDOPackageUnit; |
| |
| import org.eclipse.net4j.util.CheckUtil; |
| import org.eclipse.net4j.util.om.trace.ContextTracer; |
| |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class CDOPackageUnitImpl implements InternalCDOPackageUnit |
| { |
| private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, CDOPackageUnitImpl.class); |
| |
| private InternalCDOPackageRegistry packageRegistry; |
| |
| private State state = State.PROXY; |
| |
| private Type type; |
| |
| private Type originalType; |
| |
| private long timeStamp; |
| |
| private InternalCDOPackageInfo[] packageInfos; |
| |
| public CDOPackageUnitImpl() |
| { |
| } |
| |
| public InternalCDOPackageRegistry getPackageRegistry() |
| { |
| return packageRegistry; |
| } |
| |
| public void setPackageRegistry(InternalCDOPackageRegistry packageRegistry) |
| { |
| this.packageRegistry = packageRegistry; |
| } |
| |
| public String getID() |
| { |
| try |
| { |
| return getTopLevelPackageInfo().getPackageURI(); |
| } |
| catch (RuntimeException ex) |
| { |
| return Messages.getString("CDOPackageUnitImpl.0"); //$NON-NLS-1$ |
| } |
| } |
| |
| public State getState() |
| { |
| return state; |
| } |
| |
| public void setState(State state) |
| { |
| this.state = state; |
| if (state == State.LOADED) |
| { |
| type = null; |
| } |
| } |
| |
| public Type getType() |
| { |
| if (getOriginalType() == Type.DYNAMIC) |
| { |
| type = Type.DYNAMIC; |
| } |
| else if (type == null || type == Type.UNKNOWN) |
| { |
| if (state == State.PROXY) |
| { |
| type = CDOPackageTypeRegistry.INSTANCE.lookup(getID()); |
| } |
| else |
| { |
| InternalCDOPackageInfo packageInfo = getTopLevelPackageInfo(); |
| EPackage ePackage = packageInfo.getEPackage(); |
| type = CDOPackageTypeRegistry.INSTANCE.lookup(ePackage); |
| } |
| |
| if (type == null) |
| { |
| type = Type.UNKNOWN; |
| } |
| } |
| |
| return type; |
| } |
| |
| public Type getOriginalType() |
| { |
| return originalType; |
| } |
| |
| public void setOriginalType(Type originalType) |
| { |
| this.originalType = originalType; |
| } |
| |
| public long getTimeStamp() |
| { |
| return timeStamp; |
| } |
| |
| public void setTimeStamp(long timeStamp) |
| { |
| this.timeStamp = timeStamp; |
| } |
| |
| public InternalCDOPackageInfo getTopLevelPackageInfo() |
| { |
| if (packageInfos == null || packageInfos.length == 0) |
| { |
| throw new IllegalStateException(Messages.getString("CDOPackageUnitImpl.1")); //$NON-NLS-1$ |
| } |
| |
| return packageInfos[0]; |
| } |
| |
| public InternalCDOPackageInfo getPackageInfo(String packageURI) |
| { |
| for (InternalCDOPackageInfo packageInfo : packageInfos) |
| { |
| if (packageInfo.getPackageURI().equals(packageURI)) |
| { |
| return packageInfo; |
| } |
| } |
| |
| return null; |
| } |
| |
| public InternalCDOPackageInfo[] getPackageInfos() |
| { |
| return packageInfos; |
| } |
| |
| public void setPackageInfos(InternalCDOPackageInfo[] packageInfos) |
| { |
| this.packageInfos = packageInfos; |
| for (InternalCDOPackageInfo packageInfo : packageInfos) |
| { |
| packageInfo.setPackageUnit(this); |
| } |
| } |
| |
| public EPackage[] getEPackages(boolean loadOnDemand) |
| { |
| List<EPackage> result = new ArrayList<EPackage>(); |
| for (InternalCDOPackageInfo packageInfo : packageInfos) |
| { |
| EPackage ePackage = packageInfo.getEPackage(loadOnDemand); |
| if (ePackage != null) |
| { |
| result.add(ePackage); |
| } |
| } |
| |
| return result.toArray(new EPackage[result.size()]); |
| } |
| |
| public boolean isSystem() |
| { |
| return getTopLevelPackageInfo().isSystemPackage(); |
| } |
| |
| public boolean isResource() |
| { |
| return getTopLevelPackageInfo().isResourcePackage(); |
| } |
| |
| public void init(EPackage ePackage) |
| { |
| EPackage topLevelPackage = EMFUtil.getTopLevelPackage(ePackage); |
| List<InternalCDOPackageInfo> result = new ArrayList<InternalCDOPackageInfo>(); |
| initPackageInfos(topLevelPackage, result); |
| packageInfos = result.toArray(new InternalCDOPackageInfo[result.size()]); |
| |
| setState(State.NEW); |
| setOriginalType(getType()); |
| } |
| |
| public void dispose() |
| { |
| packageInfos = null; |
| setState(State.DISPOSED); |
| } |
| |
| public synchronized void load(boolean resolve) |
| { |
| PackageLoader packageLoader = packageRegistry.getPackageLoader(); |
| load(packageLoader, resolve); |
| } |
| |
| public synchronized void load(PackageLoader packageLoader, boolean resolve) |
| { |
| if (state == State.PROXY) |
| { |
| EPackage[] ePackages = null; |
| ePackages = loadPackagesFromGlobalRegistry(); |
| if (ePackages == null) |
| { |
| ePackages = packageLoader.loadPackages(this); |
| } |
| |
| for (EPackage ePackage : ePackages) |
| { |
| String packageURI = ePackage.getNsURI(); |
| InternalCDOPackageInfo packageInfo = getPackageInfo(packageURI); |
| packageRegistry.registerPackageInfo(ePackage, packageInfo); |
| if (resolve) |
| { |
| synchronized (ePackage) |
| { |
| EcoreUtil.resolveAll(ePackage); |
| } |
| } |
| } |
| |
| setState(State.LOADED); |
| } |
| } |
| |
| public void write(CDODataOutput out, boolean withPackages) throws IOException |
| { |
| if (TRACER.isEnabled()) |
| { |
| TRACER.format("Writing {0}", this); //$NON-NLS-1$ |
| } |
| |
| out.writeBoolean(withPackages); |
| if (withPackages) |
| { |
| CDOModelUtil.writePackage(out, packageInfos[0].getEPackage(), true, packageRegistry); |
| } |
| |
| out.writeCDOPackageUnitType(originalType); |
| out.writeLong(timeStamp); |
| out.writeInt(packageInfos.length); |
| for (InternalCDOPackageInfo packageInfo : packageInfos) |
| { |
| out.writeCDOPackageInfo(packageInfo); |
| } |
| } |
| |
| public void read(CDODataInput in, ResourceSet resourceSet) throws IOException |
| { |
| if (packageRegistry == null) |
| { |
| packageRegistry = (InternalCDOPackageRegistry)in.getPackageRegistry(); |
| if (packageRegistry == null) |
| { |
| EPackage.Registry resourceSetPackageRegistry = resourceSet.getPackageRegistry(); |
| if (resourceSetPackageRegistry instanceof InternalCDOPackageRegistry) |
| { |
| packageRegistry = (InternalCDOPackageRegistry)resourceSetPackageRegistry; |
| } |
| } |
| } |
| |
| EPackage ePackage = null; |
| boolean withPackages = in.readBoolean(); |
| if (withPackages) |
| { |
| CheckUtil.checkArg(resourceSet, "resourceSet"); //$NON-NLS-1$ |
| ePackage = CDOModelUtil.readPackage(in, resourceSet, true); |
| EPackage globalPackage = loadPackageFromGlobalRegistry(ePackage.getNsURI()); |
| if (globalPackage != null) |
| { |
| ePackage = globalPackage; |
| } |
| |
| setState(State.LOADED); |
| } |
| |
| originalType = in.readCDOPackageUnitType(); |
| timeStamp = in.readLong(); |
| packageInfos = new InternalCDOPackageInfo[in.readInt()]; |
| for (int i = 0; i < packageInfos.length; i++) |
| { |
| packageInfos[i] = (InternalCDOPackageInfo)in.readCDOPackageInfo(); |
| packageInfos[i].setPackageUnit(this); |
| } |
| |
| if (ePackage != null) |
| { |
| attachPackageInfos(ePackage); |
| } |
| |
| if (TRACER.isEnabled()) |
| { |
| TRACER.format("Read {0}", this); //$NON-NLS-1$ |
| } |
| } |
| |
| public InternalCDOPackageUnit copy() |
| { |
| InternalCDOPackageUnit packageUnit = (InternalCDOPackageUnit)CDOModelUtil.createPackageUnit(); |
| |
| InternalCDOPackageInfo[] thesePackageInfos = getPackageInfos(); |
| InternalCDOPackageInfo[] packageInfos = new InternalCDOPackageInfo[thesePackageInfos.length]; |
| for (int i = 0; i < thesePackageInfos.length; i++) |
| { |
| packageInfos[i] = thesePackageInfos[i].copy(); |
| packageInfos[i].setPackageUnit(packageUnit); |
| } |
| |
| packageUnit.setPackageInfos(packageInfos); |
| packageUnit.setOriginalType(getOriginalType()); |
| packageUnit.setState(getState()); |
| packageUnit.setTimeStamp(getTimeStamp()); |
| return packageUnit; |
| } |
| |
| public int compareTo(CDOPackageUnit o) |
| { |
| return getID().compareTo(o.getID()); |
| } |
| |
| @Override |
| public String toString() |
| { |
| String fmt = "CDOPackageUnit[id={0}, state={1}, type={2}, originalType={3}, timeStamp={4}]"; //$NON-NLS-1$ |
| return MessageFormat.format(fmt, getID(), getState(), getType(), getOriginalType(), |
| CDOCommonUtil.formatTimeStamp(getTimeStamp())); |
| } |
| |
| private void initPackageInfos(EPackage ePackage, List<InternalCDOPackageInfo> result) |
| { |
| InternalCDOPackageInfo packageInfo = (InternalCDOPackageInfo)CDOModelUtil.createPackageInfo(); |
| packageInfo.setPackageUnit(this); |
| packageInfo.setPackageURI(ePackage.getNsURI()); |
| packageInfo.setParentURI(ePackage.getESuperPackage() == null ? null : ePackage.getESuperPackage().getNsURI()); |
| |
| packageRegistry.basicPut(ePackage.getNsURI(), ePackage); |
| packageRegistry.registerPackageInfo(ePackage, packageInfo); |
| |
| result.add(packageInfo); |
| for (EPackage subPackage : ePackage.getESubpackages()) |
| { |
| initPackageInfos(subPackage, result); |
| } |
| } |
| |
| private void attachPackageInfos(EPackage ePackage) |
| { |
| InternalCDOPackageInfo packageInfo = getPackageInfo(ePackage.getNsURI()); |
| if (packageInfo != null) |
| { |
| packageRegistry.registerPackageInfo(ePackage, packageInfo); |
| } |
| |
| for (EPackage subPackage : ePackage.getESubpackages()) |
| { |
| attachPackageInfos(subPackage); |
| } |
| } |
| |
| private EPackage[] loadPackagesFromGlobalRegistry() |
| { |
| EPackage[] ePackages = new EPackage[packageInfos.length]; |
| for (int i = 0; i < ePackages.length; i++) |
| { |
| ePackages[i] = loadPackageFromGlobalRegistry(packageInfos[i].getPackageURI()); |
| if (ePackages[i] == null) |
| { |
| return null; |
| } |
| } |
| |
| return ePackages; |
| } |
| |
| private EPackage loadPackageFromGlobalRegistry(String packageURI) |
| { |
| return EPackage.Registry.INSTANCE.getEPackage(packageURI); |
| } |
| } |