Java Doc for Block.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » db » store » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.db.store   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.caucho.db.store.Block All known Subclasses:   com.caucho.db.store.WriteBlock,  com.caucho.db.store.ReadBlock, Block abstract public class Block implements SyncCacheListener(Code) Represents a versioned row Field Summary final protected static  FreeList<byte[]> _freeBuffers      Constructor Summary   Block(Store store, long blockId)      Method Summary public  boolean allocate()      Allocates the block for a query.  void close()      Called when the block is removed from the cache. public  void commit()      Handle any database writes necessary at commit time. final public  void free()      Frees a block from a query. protected  void freeImpl()      Frees any resources. public  long getBlockId()      Returns the block's id. abstract public  byte[] getBuffer()      Returns the block's buffer. public  Lock getLock()       Store getStore()      Returns the block's table. public  void invalidate()      Marks the block's data as invalid. public  boolean isDirty()      public  boolean isFlushDirtyOnCommit()      Returns true if the block should be flushed on a commit. public  boolean isFree()      Return true if this is a free block. public  void read()      Reads into the block. public  void setDirty(int min, int max)      public  void setFlushDirtyOnCommit(boolean isFlush)      True if the block should be flushed on a commit. final public  void syncRemoveEvent()      Called when the block is removed from the cache. public  String toString()       void validate()      Marks the data as valid. public  void write()      protected  void writeImpl(int offset, int length)      Write the dirty block. Field Detail _freeBuffers final protected static FreeList<byte[]> _freeBuffers(Code) Constructor Detail Block Block(Store store, long blockId)(Code) Method Detail allocate public boolean allocate()(Code) Allocates the block for a query. close void close()(Code) Called when the block is removed from the cache. commit public void commit() throws IOException(Code) Handle any database writes necessary at commit time. If isFlushDirtyOnCommit() is true, this will write the data to the backing file. free final public void free()(Code) Frees a block from a query. freeImpl protected void freeImpl()(Code) Frees any resources. getBlockId public long getBlockId()(Code) Returns the block's id. getBuffer abstract public byte[] getBuffer()(Code) Returns the block's buffer. getLock public Lock getLock()(Code) getStore Store getStore()(Code) Returns the block's table. invalidate public void invalidate()(Code) Marks the block's data as invalid. isDirty public boolean isDirty()(Code) Returns true if the block needs writing isFlushDirtyOnCommit public boolean isFlushDirtyOnCommit()(Code) Returns true if the block should be flushed on a commit. isFree public boolean isFree()(Code) Return true if this is a free block. read public void read() throws IOException(Code) Reads into the block. setDirty public void setDirty(int min, int max)(Code) Marks the block's data as dirty setFlushDirtyOnCommit public void setFlushDirtyOnCommit(boolean isFlush)(Code) True if the block should be flushed on a commit. syncRemoveEvent final public void syncRemoveEvent()(Code) Called when the block is removed from the cache. toString public String toString()(Code) validate void validate()(Code) Marks the data as valid. write public void write() throws IOException(Code) Forces a write of the data (should be private?) writeImpl protected void writeImpl(int offset, int length) throws IOException(Code) Write the dirty block. 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)