Examples of org.rhq.core.domain.content.PackageVersion

org.rhq.core.domain.content.PackageVersion
Represents a specific version of a {@link Package}. This does not represent an installed package found deployed in any platform or on a resource (that's {@link InstalledPackage}). This object refers to a known version of a particular package that can be installed on applicable resources. @author Jason Dobies

    @RequiredPermission(Permission.MANAGE_INVENTORY)
    public PackageVersion findPackageVersionByPkgId(Subject subject, String rpmName, PageControl pc) {
        Query query = entityManager.createNamedQuery(PackageVersion.QUERY_FIND_PACKAGEVERSION_BY_FILENAME);


        query.setParameter("rpmName", rpmName);
        PackageVersion results = (PackageVersion) query.getSingleResult();
        if (results != null) {
            return results;
        } else {
            return null;
        }

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        // Only check if it is a FILESYSTEM backed contentsource
        if (contentSource.getDownloadMode().equals(DownloadMode.FILESYSTEM)) {
            List<PackageVersionContentSource> allPackageVersions = contentSourceManager
                .getPackageVersionsFromContentSource(subject, contentSourceId, pc);
            for (PackageVersionContentSource item : allPackageVersions) {
                PackageVersion pv = item.getPackageVersionContentSourcePK().getPackageVersion();
                File verifyFile = getPackageBitsLocalFilesystemFile(pv.getId(), pv.getFileName());
                if (!verifyFile.exists()) {
                    log.info("Missing file from ContentProvider, adding to list: " + verifyFile.getAbsolutePath());
                    uniquePVs.add(item);
                }
            }

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            PreparedStatement ps = null;
            PreparedStatement ps2 = null;
            try {
                packageBits = createPackageBits(pk.getContentSource().getDownloadMode() == DownloadMode.DATABASE);


                PackageVersion pv = entityManager.find(PackageVersion.class, packageVersionId);
                pv.setPackageBits(packageBits); // associate the entities
                entityManager.flush(); // may not be necessary


                if (pk.getContentSource().getDownloadMode() == DownloadMode.DATABASE) {
                    conn = dataSource.getConnection();
                    // The blob has been initialized to EMPTY_BLOB already by createPackageBits...
                    // we need to lock the row which will be updated so we are using FOR UPDATE
                    ps = conn.prepareStatement("SELECT BITS FROM " + PackageBits.TABLE_NAME
                        + " WHERE ID = ? FOR UPDATE");
                    ps.setInt(1, packageBits.getId());
                    ResultSet rs = ps.executeQuery();
                    try {
                        while (rs.next()) {
                            //We can not create a blob directly because BlobImpl from Hibernate is not acceptable
                            //for oracle and Connection.createBlob is not working on postgres.
                            //This blob will be not empty because we saved there a bytes from String("a").
                            Blob blb = rs.getBlob(1);


                            StreamUtil.copy(bitsStream, blb.setBinaryStream(1), true);
                            ps2 = conn.prepareStatement("UPDATE " + PackageBits.TABLE_NAME
                                + " SET bits = ? where id = ?");
                            ps2.setBlob(1, blb);
                            ps2.setInt(2, packageBits.getId());
                            if (ps2.execute()) {
                                throw new Exception("Did not download the package bits to the DB for ");
                            }
                            ps2.close();
                        }
                    } finally {
                        rs.close();
                    }
                    ps.close();
                    conn.close();


                } else {
                    // store content to local file system
                    File outputFile = getPackageBitsLocalFileAndCreateParentDir(pv.getId(), pv.getFileName());
                    log.info("OutPutFile is located at: " + outputFile);
                    boolean download = false;


                    if (outputFile.exists()) {
                        // hmmm... it already exists, maybe we already have it?
                        // if the MD5's match, just ignore this download request and continue on
                        // If they are different we re-download
                        String expectedMD5 = (pv.getMD5() != null) ? pv.getMD5() : "<unspecified MD5>";
                        String actualMD5 = MessageDigestGenerator.getDigestString(outputFile);
                        if (!expectedMD5.trim().toLowerCase().equals(actualMD5.toLowerCase())) {
                            log.error("Already have package bits for [" + pv + "] located at [" + outputFile
                                + "] but the MD5 hashcodes do not match. Expected MD5=[" + expectedMD5
                                + "], Actual MD5=[" + actualMD5 + "] - redownloading package");

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        String packageVersionLocation = pvcs.getLocation();


        ContentServerPluginContainer pc = ContentManagerHelper.getPluginContainer();
        InputStream bitsStream = pc.getAdapterManager().loadPackageBits(contentSourceId, packageVersionLocation);


        PackageVersion pv = entityManager.find(PackageVersion.class, packageVersionId);


        switch (pk.getContentSource().getDownloadMode()) {
        case NEVER: {
            return null; // no-op, our content source was told to never download package bits
        }


        case DATABASE: {
            log.debug("Downloading package bits to DB for package located at [" + packageVersionLocation
                + "] on content source [" + contentSourceId + "]");
            File tempFile = File.createTempFile("JonContent", "");
            tempFile.deleteOnExit();
            OutputStream tempStream = new BufferedOutputStream(new FileOutputStream(tempFile));
            StreamUtil.copy(bitsStream, tempStream, true);
            InputStream inp = new BufferedInputStream(new FileInputStream(tempFile));
            return inp;
        }


        case FILESYSTEM: {
            log.debug("Downloading package bits to filesystem for package located at [" + packageVersionLocation
                + "] on content source [" + contentSourceId + "]");
            File outputFile = getPackageBitsLocalFileAndCreateParentDir(pv.getId(), pv.getFileName());
            log.info("OutPutFile is located at: " + outputFile);
            boolean download = false;


            if (outputFile.exists()) {
                // hmmm... it already exists, maybe we already have it?
                // if the MD5's match, just ignore this download request and continue on
                // If they are different we re-download
                String expectedMD5 = (pv.getMD5() != null) ? pv.getMD5() : "<unspecified MD5>";
                String actualMD5 = MessageDigestGenerator.getDigestString(outputFile);
                if (!expectedMD5.trim().toLowerCase().equals(actualMD5.toLowerCase())) {
                    log.error("Already have package bits for [" + pv + "] located at [" + outputFile
                        + "] but the MD5 hashcodes do not match. Expected MD5=[" + expectedMD5 + "], Actual MD5=["
                        + actualMD5 + "] - redownloading package");

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            PreparedStatement ps = null;
            PreparedStatement ps2 = null;
            try {
                packageBits = createPackageBits(pk.getContentSource().getDownloadMode() == DownloadMode.DATABASE);


                PackageVersion pv = entityManager.find(PackageVersion.class, packageVersionId);
                pv.setPackageBits(packageBits); // associate entities
                entityManager.flush(); // not sure this is necessary


                if (pk.getContentSource().getDownloadMode() == DownloadMode.DATABASE) {
                    packageBits = entityManager.find(PackageBits.class, packageBits.getId());

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                Query q = entityManager.createNamedQuery(PackageVersion.QUERY_FIND_PACKAGEVERSION_BY_FILENAME);
                for (AdvisoryPackageDetails pkg : pkgs) {
                    try {
                        q.setParameter("rpmName", pkg.getRpmFilename());
                        PackageVersion pExisting = (PackageVersion) q.getSingleResult();
                        AdvisoryPackage apkg = advManager.findAdvisoryPackage(overlord, newAdv.getId(), pExisting
                            .getId());
                        if (apkg == null) {
                            apkg = new AdvisoryPackage(newAdv, pExisting);
                            entityManager.persist(apkg);
                            entityManager.flush();

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            // Delete the package version if it is sufficiently orphaned:
            // - No repos
            // - No content sources
            // - No installed packages
            PackageVersion doomedPv = doomedPvcs.getPackageVersionContentSourcePK().getPackageVersion();
            q = entityManager.createNamedQuery(PackageVersion.DELETE_SINGLE_IF_NO_CONTENT_SOURCES_OR_REPOS);
            q.setParameter("packageVersionId", doomedPv.getId());
            q.executeUpdate();


            if ((++flushCount % 200) == 0) {
                entityManager.flush();
                entityManager.clear();

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            }


            // now finally create the new package version - this cascade-persists down several levels
            // note that other content sources might already be previously defined this, so only
            // persist it if it does not yet exist
            PackageVersion pv = new PackageVersion(pkg, newDetails.getVersion(), arch);
            pv.setDisplayName(newDetails.getDisplayName());
            pv.setDisplayVersion(newDetails.getDisplayVersion());
            pv.setExtraProperties(newDetails.getExtraProperties());
            pv.setFileCreatedDate(newDetails.getFileCreatedDate());
            pv.setFileName(newDetails.getFileName());
            pv.setFileSize(newDetails.getFileSize());
            pv.setLicenseName(newDetails.getLicenseName());
            pv.setLicenseVersion(newDetails.getLicenseVersion());
            pv.setLongDescription(newDetails.getLongDescription());
            pv.setMD5(newDetails.getMD5());
            pv.setMetadata(newDetails.getMetadata());
            pv.setSHA256(newDetails.getSHA256());
            pv.setShortDescription(newDetails.getShortDescription());


            q = entityManager.createNamedQuery(PackageVersion.QUERY_FIND_BY_PACKAGE_DETAILS_KEY);
            q.setParameter("packageName", newDetails.getName());
            q.setParameter("packageTypeName", pt.getName());
            q.setParameter("resourceType", rt);
            q.setParameter("architectureName", arch.getName());
            q.setParameter("version", newDetails.getVersion());


            try {
                PackageVersion pvExisting = (PackageVersion) q.getSingleResult();


                // the PackageVersion already exists, which is OK, another content source already defined it
                // but, let's make sure the important pieces of data are the same, otherwise, two content
                // sources SAY they have the same PackageVersion, but they really don't. We warn in the log
                // but the new data will overwrite the old.
                packageVersionAttributeCheck(pvExisting, pvExisting.getExtraProperties(), pv, pv.getExtraProperties(),
                    "ExtraProps");
                packageVersionAttributeCheck(pvExisting, pvExisting.getFileSize(), pv, pv.getFileSize(), "FileSize");
                packageVersionAttributeCheck(pvExisting, pvExisting.getFileName(), pv, pv.getFileName(), "FileName");
                packageVersionAttributeCheck(pvExisting, pvExisting.getMD5(), pv, pv.getMD5(), "MD5");
                packageVersionAttributeCheck(pvExisting, pvExisting.getSHA256(), pv, pv.getSHA256(), "SHA256");
                // what about metadata? test that for length only? string comparision check?


                pv = pvExisting;
            } catch (NoResultException nre) {
                // this is fine, its the first time we've seen this PV, let merge just create a new one

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                // however, this rarely will occur (should never occur really) so I won't worry about it
                entityManager.persist(previousPvcs);
                attachedPvcs = previousPvcs;
            }


            PackageVersion pv = previousPvcs.getPackageVersionContentSourcePK().getPackageVersion();
            pv.setDisplayName(updatedDetails.getDisplayName());
            pv.setDisplayVersion(updatedDetails.getDisplayVersion());
            pv.setExtraProperties(updatedDetails.getExtraProperties());
            pv.setFileCreatedDate(updatedDetails.getFileCreatedDate());
            pv.setFileName(updatedDetails.getFileName());
            pv.setFileSize(updatedDetails.getFileSize());
            pv.setLicenseName(updatedDetails.getLicenseName());
            pv.setLicenseVersion(updatedDetails.getLicenseVersion());
            pv.setLongDescription(updatedDetails.getLongDescription());
            pv.setMD5(updatedDetails.getMD5());
            pv.setMetadata(updatedDetails.getMetadata());
            pv.setSHA256(updatedDetails.getSHA256());
            pv.setShortDescription(updatedDetails.getShortDescription());


            // we normally would want to do this:
            //    pv = entityManager.merge(pv);
            // but we have to watch out for an agent sending us a content report at the same time that
            // would create this PV concurrently.  If the below line takes too hard a hit on performance,

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        query.setParameter("packageName", packageDetailsKey.getName());
        query.setParameter("packageTypeName", packageDetailsKey.getPackageTypeName());
        query.setParameter("architectureName", packageDetailsKey.getArchitectureName());
        query.setParameter("version", packageDetailsKey.getVersion());
        query.setParameter("resourceTypeId", childResourceType.getId());
        PackageVersion packageVersion = (PackageVersion) query.getSingleResult();


        return outputPackageVersionBitsRangeHelper(parentResourceId, packageDetailsKey, outputStream, 0, -1,
            packageVersion.getId());
    }

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