Java Doc for FreePhysicalRowIdPage.java in  » Database-DBMS » JDBM » jdbm » recman » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » JDBM » jdbm.recman   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    jdbm.recman.PageHeader       jdbm.recman.FreePhysicalRowIdPage FreePhysicalRowIdPage final class FreePhysicalRowIdPage extends PageHeader (Code) Class describing a page that holds physical rowids that were freed. Field Summary final static  short ELEMS_PER_PAGE      final static  short O_FREE       FreePhysicalRowId[] slots      Constructor Summary   FreePhysicalRowIdPage(BlockIo block)      Constructs a data page view from the indicated block. Method Summary  FreePhysicalRowId alloc(int slot)       void free(int slot)       FreePhysicalRowId get(int slot)       short getCount()       int getFirstFree()       int getFirstLargerThan(int size)      Returns first slot with available size >= indicated size, or -1 if no slots are available. static  FreePhysicalRowIdPage getFreePhysicalRowIdPageView(BlockIo block)      Factory method to create or return a data page for the indicated block.  boolean isAllocated(int slot)       boolean isFree(int slot)       short slotToOffset(int slot)      Field Detail ELEMS_PER_PAGE final static short ELEMS_PER_PAGE(Code) O_FREE final static short O_FREE(Code) slots FreePhysicalRowId[] slots(Code) Constructor Detail FreePhysicalRowIdPage FreePhysicalRowIdPage(BlockIo block)(Code) Constructs a data page view from the indicated block. Method Detail alloc FreePhysicalRowId alloc(int slot)(Code) Allocates a slot free void free(int slot)(Code) Frees a slot get FreePhysicalRowId get(int slot)(Code) Returns the value of the indicated slot getCount short getCount()(Code) Returns the number of free rowids getFirstFree int getFirstFree()(Code) Returns first free slot, -1 if no slots are available getFirstLargerThan int getFirstLargerThan(int size)(Code) Returns first slot with available size >= indicated size, or -1 if no slots are available. getFreePhysicalRowIdPageView static FreePhysicalRowIdPage getFreePhysicalRowIdPageView(BlockIo block)(Code) Factory method to create or return a data page for the indicated block. isAllocated boolean isAllocated(int slot)(Code) Returns true if a slot is allocated isFree boolean isFree(int slot)(Code) Returns true if a slot is free slotToOffset short slotToOffset(int slot)(Code) Converts slot to offset Fields inherited from jdbm.recman.PageHeader final protected static short SIZE(Code)(Java Doc) protected BlockIo block(Code)(Java Doc) Methods inherited from jdbm.recman.PageHeader short getMagic()(Code)(Java Doc) long getNext()(Code)(Java Doc) long getPrev()(Code)(Java Doc) static PageHeader getView(BlockIo block)(Code)(Java Doc) protected void paranoiaMagicOk()(Code)(Java Doc) void setNext(long next)(Code)(Java Doc) void setPrev(long prev)(Code)(Java Doc) void setType(short type)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)