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/*******************************************************************************
* Copyright (c) 2011 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.Set;
import java.util.logging.Level;
import org.eclipse.osee.framework.core.data.IArtifactType;
import org.eclipse.osee.framework.core.data.IAttributeType;
import org.eclipse.osee.framework.core.data.BranchId;
import org.eclipse.osee.framework.core.exception.ArtifactDoesNotExist;
import org.eclipse.osee.framework.core.exception.MultipleArtifactsExist;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
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 ArtifactCacheQuery {
/**
* Return non-deleted artifacts stored in ArtifactCache. If queryIfNotFound, query artifacts and cacheByText results
* before returning.
*/
public static Set<Artifact> getArtifactsFromArtifactByText(IArtifactType artifactType, IAttributeType attributeType, String text, BranchId branch, boolean queryIfNotFound) throws OseeCoreException {
Set<Artifact> artifacts = new HashSet<>();
// Retrieve cached artifacts first
for (Artifact artifact : ArtifactCache.getListByTextId(text, branch)) {
if (artifact.isOfType(artifactType) && !artifact.isDeleted()) {
artifacts.add(artifact);
}
}
if (artifacts.size() > 0) {
OseeLog.log(Activator.class, Level.FINE, "CacheByText Load: [" + text + "][" + artifactType + "]");
}
if (queryIfNotFound && artifacts.isEmpty()) {
artifacts.clear();
for (Artifact artifact : ArtifactQuery.getArtifactListFromTypeAndAttribute(artifactType, attributeType, text,
branch)) {
artifacts.add(artifact);
ArtifactCache.cacheByTextId(text, artifact);
}
}
return artifacts;
}
/**
* Get artifact, query if not already found and cacheByText.
*/
public static Artifact getSingletonArtifactByTextOrException(IArtifactType artifactType, IAttributeType attributeType, String text, BranchId branch) throws OseeCoreException {
Set<Artifact> artifacts = getArtifactsFromArtifactByText(artifactType, attributeType, text, branch, true);
// Exception on problems
if (artifacts.isEmpty()) {
throw new ArtifactDoesNotExist("No artifact with [%s] [%s] found.", attributeType, text);
} else if (artifacts.size() > 1) {
throw new MultipleArtifactsExist("Expected 1 artifact with [%s] [%s] not %d", attributeType, text,
artifacts.size());
}
return artifacts.iterator().next();
}
/**
* Return singleton artifact from ArtifactCache. If queryIfNotFound, perform query and cacheByText result.
*/
public static Artifact getSingletonArtifactByText(IArtifactType artifactType, IAttributeType attributeType, String text, BranchId branch, boolean queryIfNotFound) throws OseeCoreException {
if (queryIfNotFound) {
return getOrCreateSingletonArtifactHelper(artifactType, attributeType, text, branch, false);
} else {
Set<Artifact> artifacts = getArtifactsFromArtifactByText(artifactType, attributeType, text, branch, false);
if (artifacts.size() > 0) {
return artifacts.iterator().next();
}
return null;
}
}
/**
* Return first artifact with attribute (multiples may exist) or create one if non exist
*/
public static Artifact getOrCreateSingletonArtifactByText(IArtifactType artifactType, IAttributeType attributeType, String text, BranchId branch) throws OseeCoreException {
return getOrCreateSingletonArtifactHelper(artifactType, attributeType, text, branch, true);
}
/**
* Searches for singleton artifact in cache, if not found, queries for existence.
*
* @param create will create artifact and add attribute value not found
*/
private static Artifact getOrCreateSingletonArtifactHelper(IArtifactType artifactType, IAttributeType attributeType, String text, BranchId branch, boolean create) throws OseeCoreException {
Set<Artifact> artifacts = getArtifactsFromArtifactByText(artifactType, attributeType, text, branch, true);
if (artifacts.isEmpty() && create) {
Artifact artifact = ArtifactTypeManager.addArtifact(artifactType, branch);
artifact.setSingletonAttributeValue(attributeType, text);
ArtifactCache.cacheByTextId(text, artifact);
return artifact;
}
if (artifacts.size() > 0) {
return artifacts.iterator().next();
}
return null;
}
}
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