Examples with CustomMigrationCallback com.emc.storageos.db.client.upgrade.CustomMigrationCallback used on opensource projects

Example 1 with CustomMigrationCallback

use of com.emc.storageos.db.client.upgrade.CustomMigrationCallback in project coprhd-controller by CoprHD.

the class CollectionChangeTracker method isUpgradable.

public boolean isUpgradable() {
    boolean returnVal = true;
    if (!removedList.isEmpty()) {
        for (T schema : removedList) {
            // CustomMigrationCallback can be removed
            if (clazz.equals(AnnotationType.class)) {
                AnnotationType at = (AnnotationType) schema;
                // type associated with it. Do string comparison instead.
                if (CustomMigrationCallback.class.getCanonicalName().equals(at.getType())) {
                    log.info("CustomMigrationCallback {} has been removed", at.describe());
                    continue;
                } else if (EnumType.class.getCanonicalName().equals(at.getType())) {
                    log.info("EnumType {} has been removed", at.describe());
                    continue;
                }
                if (at.canBeIgnore()) {
                    continue;
                }
            }
            log.warn("An unsupported schema change has been made. {} has been removed.", schema.describe());
            returnVal = false;
        }
    }
    if (!duplicateList.isEmpty()) {
        for (T schema : duplicateList) {
            log.warn("An unsupported schema change has been made. Duplicate {} has been added", schema.describe());
        }
        returnVal = false;
    }
    for (S diff : diffs) {
        if (!diff.isUpgradable()) {
            returnVal = false;
        }
    }
    if (clazz.equals(AnnotationType.class)) {
        for (T element : newList) {
            AnnotationType at = (AnnotationType) element;
            Class cfClass = at.getCfClass();
            // refuse adding any annotation (including index) on existing field
            if (cfClass.isAnnotationPresent(DbKeyspace.class)) {
                DbKeyspace keyspaceType = (DbKeyspace) cfClass.getAnnotation(DbKeyspace.class);
                if (DbKeyspace.Keyspaces.GLOBAL.equals(keyspaceType.value())) {
                    log.warn("An unsupported geo schema change has been made. {} has been added", at.describe());
                    returnVal = false;
                    break;
                }
            }
            // check UpgradeAllowed annotation for new annotations
            if (!CustomMigrationCallback.class.isAssignableFrom(at.getAnnoClass()) && !at.getAnnoClass().isAnnotationPresent(UpgradeAllowed.class)) {
                log.warn("An unsupported schema change has been made. {} has been added", at.describe());
                returnVal = false;
                break;
            }
        }
    }
    return returnVal;
}