Package org.apache.derby.iapi.services.io

Examples of org.apache.derby.iapi.services.io.ArrayInputStream.readLong()

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    if (PreAllocSize == 0)  // pre 2.0, we don't store this.
      PreAllocSize = DEFAULT_PRE_ALLOC_SIZE;

    long spare2 = inStream.readLong();  // read spare long
    long spare3 = inStream.readLong();  // read spare long

    // upgrade - if this is a container that was created before
    // initialPages was stored, it will have a zero value.  Set it to the
    // default of 1.
    if (initialPages == 0) 
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    // container read in from disk, reset preAllocation values
    PreAllocThreshold = PRE_ALLOC_THRESHOLD;

    // validate checksum
    long onDiskChecksum = inStream.readLong();
    checksum.reset();
    checksum.update(a, 0, CONTAINER_INFO_SIZE - CHECKSUM_SIZE);

    if (onDiskChecksum != checksum.getValue())
    {
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    lrdi.setPosition(PAGE_HEADER_OFFSET);
    long spare;

    isOverflowPage  =  lrdi.readBoolean();
    setPageStatus    (lrdi.readByte());
    setPageVersion    (lrdi.readLong());
    slotsInUse      =  lrdi.readUnsignedShort();
    nextId          =  lrdi.readInt();
    generation      =  lrdi.readInt();     // page generation (Future Use)
    prevGeneration  =  lrdi.readInt();     // previous generation (Future Use)
    bipLocation     =  lrdi.readLong();  // BIPage location (Future Use)
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    setPageVersion    (lrdi.readLong());
    slotsInUse      =  lrdi.readUnsignedShort();
    nextId          =  lrdi.readInt();
    generation      =  lrdi.readInt();     // page generation (Future Use)
    prevGeneration  =  lrdi.readInt();     // previous generation (Future Use)
    bipLocation     =  lrdi.readLong();  // BIPage location (Future Use)

    // number of deleted rows on page, we start to store this release 2.0.
    // for upgrade reasons, a 0 on disk means -1, so, we subtract one here.
    deletedRowCount =  lrdi.readUnsignedShort() - 1;
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    deletedRowCount =  lrdi.readUnsignedShort() - 1;

        // the next 4 (total 22 bytes) are reserved for future
    spare           =   lrdi.readUnsignedShort(); 
    spare           =   lrdi.readInt();     // used by encryption
    spare           =   lrdi.readLong();
    spare           =   lrdi.readLong();
  }


    /**
 
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        // the next 4 (total 22 bytes) are reserved for future
    spare           =   lrdi.readUnsignedShort(); 
    spare           =   lrdi.readInt();     // used by encryption
    spare           =   lrdi.readLong();
    spare           =   lrdi.readLong();
  }


    /**
     * Update the page header in the page array.
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    lrdi.setPosition(PAGE_HEADER_OFFSET);
    long spare;

    isOverflowPage  =  lrdi.readBoolean();
    setPageStatus    (lrdi.readByte());
    setPageVersion    (lrdi.readLong());
    slotsInUse      =  lrdi.readUnsignedShort();
    nextId          =  lrdi.readInt();
    generation      =  lrdi.readInt();     // page generation (Future Use)
    prevGeneration  =  lrdi.readInt();     // previous generation (Future Use)
    bipLocation     =  lrdi.readLong();  // BIPage location (Future Use)
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    setPageVersion    (lrdi.readLong());
    slotsInUse      =  lrdi.readUnsignedShort();
    nextId          =  lrdi.readInt();
    generation      =  lrdi.readInt();     // page generation (Future Use)
    prevGeneration  =  lrdi.readInt();     // previous generation (Future Use)
    bipLocation     =  lrdi.readLong();  // BIPage location (Future Use)

    // number of deleted rows on page, we start to store this release 2.0.
    // for upgrade reasons, a 0 on disk means -1, so, we subtract one here.
    deletedRowCount =  lrdi.readUnsignedShort() - 1;
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    deletedRowCount =  lrdi.readUnsignedShort() - 1;

        // the next 4 (total 22 bytes) are reserved for future
    spare           =   lrdi.readUnsignedShort(); 
    spare           =   lrdi.readInt();     // used by encryption
    spare           =   lrdi.readLong();
    spare           =   lrdi.readLong();
  }


    /**
 
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        // the next 4 (total 22 bytes) are reserved for future
    spare           =   lrdi.readUnsignedShort(); 
    spare           =   lrdi.readInt();     // used by encryption
    spare           =   lrdi.readLong();
    spare           =   lrdi.readLong();
  }


    /**
     * Update the page header in the page array.
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