| java.lang.Object
 com.healthmarketscience.jackcess.UsageMap
| UsageMap | | public class UsageMap (Code) | | Describes which database pages a particular table uses
author:
Tim McCune |
| Inner Class :final public class PageCursor | |
| MAP_TYPE_INLINE | | final public static byte MAP_TYPE_INLINE(Code) | | Inline map type
|
| MAP_TYPE_REFERENCE | | final public static byte MAP_TYPE_REFERENCE(Code) | | Reference map type, for maps that are too large to fit inline
|
| addPageNumber | | public void addPageNumber(int pageNumber) throws IOException(Code) | | Add a page number to this usage map
|
| bitIndexToPageNumber | | protected int bitIndexToPageNumber(int bitIndex, int invalidPageNumber)(Code) | | |
| clearTableAndPages | | protected void clearTableAndPages()(Code) | | |
| containsPageNumber | | public boolean containsPageNumber(int pageNumber)(Code) | | Determines if the given page number is contained in this map.
|
| cursor | | public PageCursor cursor()(Code) | | |
| getEndPage | | protected int getEndPage()(Code) | | |
| getFirstPageNumber | | protected int getFirstPageNumber()(Code) | | |
| getLastPageNumber | | protected int getLastPageNumber()(Code) | | |
| getNextBitIndex | | protected int getNextBitIndex(int curIndex)(Code) | | |
| getNextPageNumber | | protected int getNextPageNumber(int curPage)(Code) | | |
| getPrevBitIndex | | protected int getPrevBitIndex(int curIndex)(Code) | | |
| getPrevPageNumber | | protected int getPrevPageNumber(int curPage)(Code) | | |
| getRowEnd | | protected int getRowEnd()(Code) | | |
| getRowStart | | protected short getRowStart()(Code) | | |
| getStartOffset | | protected int getStartOffset()(Code) | | |
| getStartPage | | protected int getStartPage()(Code) | | |
| getTableBuffer | | protected ByteBuffer getTableBuffer()(Code) | | |
| getTablePageNumber | | protected int getTablePageNumber()(Code) | | |
| isPageWithinRange | | protected boolean isPageWithinRange(int pageNumber)(Code) | | |
| pageNumberToBitIndex | | protected int pageNumberToBitIndex(int pageNumber)(Code) | | |
| processMap | | protected void processMap(ByteBuffer buffer, int bufferStartPage)(Code) | | Read in the page numbers in this inline map
|
| read | | public static UsageMap read(Database database, int pageNum, int rowNum, boolean assumeOutOfRangeBitsOn) throws IOException(Code) | |
Parameters:
database - database that contains this usage map
Parameters:
pageNum - Page number that this usage map is contained in
Parameters:
rowNum - Number of the row on the page that contains this usage map Either an InlineUsageMap or a ReferenceUsageMap, depending onwhich type of map is found |
| removePageNumber | | public void removePageNumber(int pageNumber) throws IOException(Code) | | Remove a page number from this usage map
|
| setPageRange | | protected void setPageRange(int newStartPage, int newEndPage)(Code) | | |
| setStartOffset | | protected void setStartOffset(int startOffset)(Code) | | |
| updateMap | | protected void updateMap(int absolutePageNumber, int bufferRelativePageNumber, ByteBuffer buffer, boolean add) throws IOException(Code) | | |
|
|