Example usage for org.apache.cassandra.utils CloseableIterator close

Introduction

In this page you can find the example usage for org.apache.cassandra.utils CloseableIterator close.

Prototype

public void close();

Source Link

Usage

From source file:com.cloudian.support.SSTableGarbageChecker.java

License:Apache License

private static void checkCompacted(String showOption) throws IOException {

    System.out.println(//from  w w  w.java2  s  .co  m
            "==========================================================================================");
    System.out.println("ROW_KEY, T_SIZE, T_COLUMNS, C_SIZE, C_COLUMNS(DELETED), T, G, DELETION_INFO, REMAINS");
    System.out.println(
            "==========================================================================================");

    SSTableCompactedRowIterable iterable = new SSTableCompactedRowIterable(ssTableReaders);
    CloseableIterator<CompactedRowDescriptor> itr = iterable.iterator();
    long totalDataSize = 0;
    long totalColumnCount = 0;
    long totalCompactedSize = 0;
    long totalCompactedColumnCount = 0;
    long totalCompactedDeletedColumnCount = 0;

    while (itr.hasNext()) {

        CompactedRowDescriptor crd = itr.next();

        if (showOption != null && ((showOption.equals(SHOW_OPTION_GCABLE) && !crd.isGCable())
                || (showOption.equals(SHOW_OPTION_TOMBSTONED) && !crd.isTombstoned())))
            continue;

        totalDataSize += crd.getDataSize();
        totalColumnCount += crd.getColumnCount();
        totalCompactedSize += crd.getCompactedSize();
        totalCompactedColumnCount += crd.getCompactedColumnCount();
        totalCompactedDeletedColumnCount += crd.getCompactedDeletedColumnCount();

        StringBuffer sb = new StringBuffer();

        sb.append(crd.getRowKey());
        sb.append(DELIMITER);
        sb.append(crd.getDataSize());
        sb.append(DELIMITER);
        sb.append(crd.getColumnCount());
        sb.append(DELIMITER);
        sb.append(crd.getCompactedSize());
        sb.append(DELIMITER);
        sb.append(crd.getCompactedColumnCount());
        sb.append("(");
        sb.append(crd.getCompactedDeletedColumnCount());
        sb.append(")");
        sb.append(DELIMITER);
        sb.append(crd.isTombstoned() ? "Y" : "N");
        sb.append(DELIMITER);
        sb.append(crd.isGCable() ? "Y" : "N");
        sb.append(DELIMITER);
        sb.append(crd.getDeletedColumns());

        if (crd.getRemainningSSTableFileNames() != null) {

            sb.append(DELIMITER);
            sb.append(crd.getRemainningSSTableFileNames());

        }

        System.out.println(sb.toString());

    }

    // close
    itr.close();
    iterable.close();

    System.out.println(
            "-------------------------------------------------------------------------------------------");
    // TOTAL
    StringBuffer sb = new StringBuffer();

    sb.append("TOTAL");
    sb.append(DELIMITER);
    sb.append(totalDataSize);
    sb.append(DELIMITER);
    sb.append(totalColumnCount);
    sb.append(DELIMITER);
    sb.append(totalCompactedSize);
    sb.append(DELIMITER);
    sb.append(totalCompactedColumnCount);
    sb.append("(");
    sb.append(totalCompactedDeletedColumnCount);
    sb.append(")");

    System.out.println(sb.toString());

    System.out.println(
            "===========================================================================================");

}

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