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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.skynet.core.artifact;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import org.eclipse.osee.framework.core.data.IArtifactType;
import org.eclipse.osee.framework.core.data.IOseeBranch;
import org.eclipse.osee.framework.core.enums.CoreAttributeTypes;
import org.eclipse.osee.framework.core.exception.ArtifactDoesNotExist;
import org.eclipse.osee.framework.core.exception.MultipleArtifactsExist;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.model.Branch;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.artifact.search.ArtifactQuery;
import org.eclipse.osee.framework.skynet.core.internal.Activator;
/**
* @author Donald G. Dunne
*/
public class StaticIdManager {
/**
* Will add the single static id value if it does not already exist. Will also cleanup if more than one exists with
* same staticId.
*/
public static void setSingletonAttributeValue(Artifact artifact, String staticId) throws OseeCoreException {
List<Attribute<String>> attributes = artifact.getAttributes(CoreAttributeTypes.StaticId, staticId);
if (attributes.isEmpty()) {
artifact.addAttribute(CoreAttributeTypes.StaticId, staticId);
} else if (attributes.size() > 1) {
// keep one of the attributes
for (int x = 1; x < attributes.size(); x++) {
Attribute<String> attr = attributes.get(x);
attr.delete();
}
}
ArtifactCache.cacheByStaticId(staticId, artifact);
}
public static void deletedStaticIdAttribute(Artifact artifact, String staticId) throws OseeCoreException {
List<Attribute<String>> attributes = artifact.getAttributes(CoreAttributeTypes.StaticId, staticId);
for (Attribute<String> attr : attributes) {
attr.delete();
}
ArtifactCache.cacheByStaticId(staticId, artifact);
}
public static boolean hasValue(Artifact artifact, String staticId) throws OseeCoreException {
return artifact.getAttributesToStringList(CoreAttributeTypes.StaticId).contains(staticId);
}
/**
* Return non-deleted artifacts with staticId. This does a new ArtifactQuery each time it's called.
*/
public static Set<Artifact> getArtifactsFromArtifactQuery(IArtifactType artifactType, String staticId, IOseeBranch branch) throws OseeCoreException {
Set<Artifact> artifacts = new HashSet<Artifact>();
// Retrieve database artifacts if cache has none
artifacts.addAll(ArtifactQuery.getArtifactListFromTypeAndAttribute(artifactType, CoreAttributeTypes.StaticId,
staticId, branch));
return artifacts;
}
/**
* Return non-deleted artifacts stored in ArtifactCache.
*
* @param queryIfNotFound if true and artifacts with staticId art not in ArtifactCache, query to find
*/
public static Set<Artifact> getArtifactsFromArtifactCache(IArtifactType artifactType, String staticId, IOseeBranch branch, boolean queryIfNotFound) throws OseeCoreException {
Set<Artifact> artifacts = new HashSet<Artifact>();
// Retrieve cached artifacts first
for (Artifact artifact : ArtifactCache.getArtifactsByStaticId(staticId, branch)) {
if (artifact.isOfType(artifactType) && !artifact.isDeleted()) {
artifacts.add(artifact);
}
}
if (artifacts.size() > 0) {
OseeLog.log(Activator.class, Level.FINE, "StaticId Load: [" + staticId + "][" + artifactType + "]");
}
if (queryIfNotFound && artifacts.isEmpty()) {
artifacts = getArtifactsFromArtifactQuery(artifactType, staticId, branch);
}
return artifacts;
}
public static Artifact getSingletonArtifactOrException(IArtifactType artifactType, String staticId, Branch branch) throws OseeCoreException {
Set<Artifact> artifacts = getArtifactsFromArtifactCache(artifactType, staticId, branch, true);
// Exception on problems
if (artifacts.isEmpty()) {
throw new ArtifactDoesNotExist("Can't find requested artifact \"" + staticId + "\"");
} else if (artifacts.size() > 1) {
throw new MultipleArtifactsExist("Expected 1 \"" + staticId + "\" artifact, retrieved " + artifacts.size());
}
return artifacts.iterator().next();
}
/**
* Return singleton artifact from ArtifactCache.
*
* @param queryIfNotFound true will perform ArtifactQuery if not found
*/
public static Artifact getSingletonArtifact(IArtifactType artifactType, String staticId, IOseeBranch branch, boolean queryIfNotFound) throws OseeCoreException {
if (queryIfNotFound) {
return getOrCreateSingletonArtifactHelper(artifactType, staticId, branch, false);
} else {
Set<Artifact> artifacts = getArtifactsFromArtifactCache(artifactType, staticId, branch, false);
if (artifacts.size() > 0) {
return artifacts.iterator().next();
}
return null;
}
}
/**
* Return first artifact with staticId (multiples may exist) or create one if non exist
*/
public static Artifact getOrCreateSingletonArtifact(IArtifactType artifactType, String staticId, IOseeBranch branch) throws OseeCoreException {
return getOrCreateSingletonArtifactHelper(artifactType, staticId, branch, true);
}
/**
* Searches for singleton artifact in cache, if not found, queries for existence.
*
* @param create will create artifact and add static if not found
*/
private static Artifact getOrCreateSingletonArtifactHelper(IArtifactType artifactType, String staticId, IOseeBranch branch, boolean create) throws OseeCoreException {
Set<Artifact> artifacts = getArtifactsFromArtifactCache(artifactType, staticId, branch, true);
if (artifacts.isEmpty() && create) {
Artifact artifact = ArtifactTypeManager.addArtifact(artifactType, branch);
setSingletonAttributeValue(artifact, staticId);
return artifact;
}
if (artifacts.size() > 0) {
return artifacts.iterator().next();
}
return null;
}
}
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