Java Doc for DirStorageFactory4.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » io » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.io   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.derby.impl.io.BaseStorageFactory       org.apache.derby.impl.io.DirStorageFactory          org.apache.derby.impl.io.DirStorageFactory4 DirStorageFactory4 public class DirStorageFactory4 extends DirStorageFactory (Code) This class implements the WritableStorageFactory interface using features found in Java 1.4 but not in earlier versions of Java. Constructor Summary public   DirStorageFactory4()      Most of the initialization is done in the init method. Method Summary  StorageFile newPersistentFile(String path)      Construct a persistent StorageFile from a path name. Parameters:   path - The path name of the file.  StorageFile newPersistentFile(String directoryName, String fileName)      Construct a persistent StorageFile from a directory and path name. Parameters:   directoryName - The path name of the directory.  StorageFile newPersistentFile(StorageFile directoryName, String fileName)      Construct a persistent StorageFile from a directory and path name. Parameters:   directoryName - The path name of the directory. public  boolean supportsRws()      This method tests whether the "rws" and "rwd" modes are implemented. Constructor Detail DirStorageFactory4 public DirStorageFactory4()(Code) Most of the initialization is done in the init method. Method Detail newPersistentFile StorageFile newPersistentFile(String path)(Code) Construct a persistent StorageFile from a path name. Parameters:   path - The path name of the file. Guaranteed not to be in the temporary file directory. If nullthen the database directory should be returned. A corresponding StorageFile object newPersistentFile StorageFile newPersistentFile(String directoryName, String fileName)(Code) Construct a persistent StorageFile from a directory and path name. Parameters:   directoryName - The path name of the directory. Guaranteed not to be in the temporary file directory.Guaranteed not to be null Parameters:   fileName - The name of the file within the directory. Guaranteed not to be null. A corresponding StorageFile object newPersistentFile StorageFile newPersistentFile(StorageFile directoryName, String fileName)(Code) Construct a persistent StorageFile from a directory and path name. Parameters:   directoryName - The path name of the directory. Guaranteed not to be to be null. Guaranteed to becreated by a call to one of the newPersistentFile methods. Parameters:   fileName - The name of the file within the directory. Guaranteed not to be null. A corresponding StorageFile object supportsRws public boolean supportsRws()(Code) This method tests whether the "rws" and "rwd" modes are implemented. If the "rws" method is supported then the database engine will conclude that the write methods of "rws" mode StorageRandomAccessFiles are slow but the sync method is fast and optimize accordingly. true if an StIRandomAccess file opened with "rws" or "rwd" modes immediately writes data to theunderlying storage, false if not. Methods inherited from org.apache.derby.impl.io.DirStorageFactory void doInit() throws IOException(Code)(Java Doc) public boolean isReadOnlyDatabase()(Code)(Java Doc) StorageFile newPersistentFile(String path)(Code)(Java Doc) StorageFile newPersistentFile(String directoryName, String fileName)(Code)(Java Doc) StorageFile newPersistentFile(StorageFile directoryName, String fileName)(Code)(Java Doc) final public StorageFile newStorageFile(String path)(Code)(Java Doc) final public StorageFile newStorageFile(String directoryName, String fileName)(Code)(Java Doc) final public StorageFile newStorageFile(StorageFile directoryName, String fileName)(Code)(Java Doc) public boolean supportsRandomAccess()(Code)(Java Doc) public boolean supportsRws()(Code)(Java Doc) public void sync(OutputStream stream, boolean metaData) throws IOException, SyncFailedException(Code)(Java Doc) Fields inherited from org.apache.derby.impl.io.BaseStorageFactory protected String canonicalName(Code)(Java Doc) protected String dataDirectory(Code)(Java Doc) String home(Code)(Java Doc) protected String separatedDataDirectory(Code)(Java Doc) protected StorageFile tempDir(Code)(Java Doc) protected String tempDirPath(Code)(Java Doc) protected String uniqueName(Code)(Java Doc) Methods inherited from org.apache.derby.impl.io.BaseStorageFactory void createTempDir() throws java.io.IOException(Code)(Java Doc) abstract void doInit() throws IOException(Code)(Java Doc) public String getCanonicalName() throws IOException(Code)(Java Doc) public char getSeparator()(Code)(Java Doc) public int getStorageFactoryVersion()(Code)(Java Doc) public StorageFile getTempDir()(Code)(Java Doc) public void init(String home, String databaseName, String tempDirName, String uniqueName) throws IOException(Code)(Java Doc) public boolean isFast()(Code)(Java Doc) public boolean isReadOnlyDatabase()(Code)(Java Doc) abstract StorageFile newPersistentFile(String path)(Code)(Java Doc) abstract StorageFile newPersistentFile(String directoryName, String fileName)(Code)(Java Doc) abstract StorageFile newPersistentFile(StorageFile directoryName, String fileName)(Code)(Java Doc) public StorageFile newStorageFile(String path)(Code)(Java Doc) public StorageFile newStorageFile(String directoryName, String fileName)(Code)(Java Doc) public StorageFile newStorageFile(StorageFile directoryName, String fileName)(Code)(Java Doc) public void shutdown()(Code)(Java Doc) public boolean supportsRandomAccess()(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)