Examples with IncrementalSnapshotInfo io.siddhi.core.util.persistence.util.IncrementalSnapshotInfo used on opensource projects

Example 6 with IncrementalSnapshotInfo

use of io.siddhi.core.util.persistence.util.IncrementalSnapshotInfo in project siddhi by wso2.

the class IncrementalFileSystemPersistenceStore method cleanOldRevisions.

private void cleanOldRevisions(IncrementalSnapshotInfo incrementalSnapshotInfo) {
    if (incrementalSnapshotInfo.getType() != IncrementalSnapshotInfo.SnapshotType.INCREMENT) {
        File dir = new File(folder + File.separator + incrementalSnapshotInfo.getSiddhiAppId());
        File[] files = dir.listFiles();
        if (files != null) {
            long baseTimeStamp = (incrementalSnapshotInfo.getTime());
            for (File file : files) {
                String fileName = file.getName();
                IncrementalSnapshotInfo snapshotInfo = PersistenceHelper.convertRevision(fileName);
                if (snapshotInfo.getTime() < baseTimeStamp && incrementalSnapshotInfo.getId().equals(snapshotInfo.getId())) {
                    if (incrementalSnapshotInfo.getType() == IncrementalSnapshotInfo.SnapshotType.BASE && snapshotInfo.getType() != IncrementalSnapshotInfo.SnapshotType.PERIODIC) {
                        if (file.exists()) {
                            Boolean isDeleted = file.delete();
                            if (!isDeleted) {
                                log.error("Error deleting old revision " + fileName);
                            }
                        }
                    } else if (incrementalSnapshotInfo.getType() == IncrementalSnapshotInfo.SnapshotType.PERIODIC && snapshotInfo.getType() == IncrementalSnapshotInfo.SnapshotType.PERIODIC) {
                        if (file.exists()) {
                            Boolean isDeleted = file.delete();
                            if (!isDeleted) {
                                log.error("Error deleting old revision " + fileName);
                            }
                        }
                    }
                }
            }
        }
    }
}