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

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

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        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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        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;

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

        // 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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        lrdi.setPosition(
            slotTableOffsetToFirstRecordLengthField - (slot * slotEntrySize));

        return(
            (slotFieldSize == SMALL_SLOT_SIZE) ?
                lrdi.readUnsignedShort() : lrdi.readInt());
    }

    /**
     * Return reserved length of row on this page.
     * <p>
 
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        lrdi.setPosition(
            slotTableOffsetToFirstReservedSpaceField - (slot * slotEntrySize));

        return(
            (slotFieldSize == SMALL_SLOT_SIZE) ?
                lrdi.readUnsignedShort() : lrdi.readInt());
    }


    /**
        Update the length of data stored on this page for this record
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        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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        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;

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

        // 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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        lrdi.setPosition(
            slotTableOffsetToFirstRecordLengthField - (slot * slotEntrySize));

        return(
            (slotFieldSize == SMALL_SLOT_SIZE) ?
                lrdi.readUnsignedShort() : lrdi.readInt());
    }

    /**
     * Return reserved length of row on this page.
     * <p>
 
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        lrdi.setPosition(
            slotTableOffsetToFirstReservedSpaceField - (slot * slotEntrySize));

        return(
            (slotFieldSize == SMALL_SLOT_SIZE) ?
                lrdi.readUnsignedShort() : lrdi.readInt());
    }


    /**
        Update the length of data stored on this page for this record
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