Examples of net.sf.jasperreports.engine.util.JRSwapFile

Package net.sf.jasperreports.engine.util

Examples of net.sf.jasperreports.engine.util.JRSwapFile

net.sf.jasperreports.engine.util.JRSwapFile
Swap file implementation that can be used as a disk cache for arbitrary binary data.
Fixed-size blocks are allocated inside the swap file when a caller wants to write data. The caller receives a handle to the allocated area based on which it can read the data or free the area.
The implementation is thread-safe. I/O operations are performed in synchronized blocks, only one thread would do a read or write at one moment. @author Lucian Chirita (lucianc@users.sourceforge.net) @version $Id: JRSwapFile.java 3717 2010-04-09 10:01:33Z teodord $

    virtualizationDir.mkdirs();
    
    logger.debug("Max page cached during virtualization process: " + maxSize);
    logger.debug("Dir used as storing area during virtualization: " + virtualizationDir);
    
    JRSwapFile swapFile = new JRSwapFile(virtualizationDir.getAbsolutePath(), maxSize, maxSize);
    virtualizer = new JRSwapFileVirtualizer(maxSize, swapFile);
    virtualizer.setReadOnly(false);
    
    return virtualizer;
  }

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    dir = dir + System.getProperty("file.separator") + "jrcache";
    File file = new File(dir);
    file.mkdirs();
    logger.debug("Max page cached during virtualization process: " + maxSize);
    logger.debug("Dir used as storing area during virtualization: " + dir);
    JRSwapFile swapFile = new JRSwapFile(dir,maxSize,maxSize);
    virtualizer = new JRSwapFileVirtualizer(maxSize, swapFile);
    virtualizer.setReadOnly(false);
    logger.debug("OUT");
    return virtualizer;
  }

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