Java Doc for WriterPool.java in  » Web-Crawler » heritrix » org » archive » io » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Crawler » heritrix » org.archive.io   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.archive.io.WriterPool All known Subclasses:   org.archive.io.arc.ARCWriterPool,  org.archive.io.warc.v10.WARCWriterPool,  org.archive.io.warc.WARCWriterPool, WriterPool abstract public class WriterPool (Code) Pool of Writers. Abstract. Override and pass in the Constructor a factory that creates WriterPoolMember implementations. author:    stack Field Summary final public static  int DEFAULT_MAXIMUM_WAIT      Maximum time to wait on a free file.. final public static  int DEFAULT_MAX_ACTIVE      Default maximum active number of files in the pool. final protected static  int NO_MAX_IDLE      Don't enforce a maximum number of idle instances in pool. final  Logger logger      Constructor Summary public   WriterPool(AtomicInteger serial, BasePoolableObjectFactory factory, WriterPoolSettings settings, int poolMaximumActive, int poolMaximumWait)      Method Summary public  WriterPoolMember borrowFile()      Check out a WriterPoolMember . public  void close()      Close all WriterPoolMember s in pool. public  int getNumActive()      public  int getNumIdle()      protected  String getPoolState()      protected  String getPoolState(long startTime)      Parameters:   startTime - If we are passed a start time, we'll add differencebetween it and now to end of string. public  AtomicInteger getSerialNo()      Returns the atomic integer used to generate serial numbers for files. public  WriterPoolSettings getSettings()      public  void invalidateFile(WriterPoolMember f)      public  void returnFile(WriterPoolMember writer)      Field Detail DEFAULT_MAXIMUM_WAIT final public static int DEFAULT_MAXIMUM_WAIT(Code) Maximum time to wait on a free file.. DEFAULT_MAX_ACTIVE final public static int DEFAULT_MAX_ACTIVE(Code) Default maximum active number of files in the pool. NO_MAX_IDLE final protected static int NO_MAX_IDLE(Code) Don't enforce a maximum number of idle instances in pool. To do so means GenericObjectPool will close files prematurely. logger final Logger logger(Code) Constructor Detail WriterPool public WriterPool(AtomicInteger serial, BasePoolableObjectFactory factory, WriterPoolSettings settings, int poolMaximumActive, int poolMaximumWait)(Code) Constructor Parameters:   serial - Used to generate unique filename sequences Parameters:   factory - Factory that knows how to make a WriterPoolMember. Parameters:   settings - Settings for this pool. Parameters:   poolMaximumActive - Parameters:   poolMaximumWait - Method Detail borrowFile public WriterPoolMember borrowFile() throws IOException(Code) Check out a WriterPoolMember . This method must be answered by a call to WriterPool.returnFile(WriterPoolMember) else pool starts leaking. Writer checked out of a pool of files. throws:   IOException - Problem getting Writer from pool (Convertedfrom Exception to IOException so this pool can live as a good citizendown in depths of ARCSocketFactory). throws:   NoSuchElementException - If we time out waiting on a pool member. close public void close()(Code) Close all WriterPoolMember s in pool. getNumActive public int getNumActive() throws UnsupportedOperationException(Code) Number of WriterPoolMembers checked out of pool. throws:   java.lang.UnsupportedOperationException - getNumIdle public int getNumIdle() throws UnsupportedOperationException(Code) Number of WriterPoolMember instances still in the pool. throws:   java.lang.UnsupportedOperationException - getPoolState protected String getPoolState()(Code) State of the pool string getPoolState protected String getPoolState(long startTime)(Code) Parameters:   startTime - If we are passed a start time, we'll add differencebetween it and now to end of string. Pass -1 if don't want thisadded to end of state string. State of the pool string getSerialNo public AtomicInteger getSerialNo()(Code) Returns the atomic integer used to generate serial numbers for files. the serial number generator getSettings public WriterPoolSettings getSettings()(Code) Returns settings. invalidateFile public void invalidateFile(WriterPoolMember f) throws IOException(Code) returnFile public void returnFile(WriterPoolMember writer) throws IOException(Code) Parameters:   writer - Writer to return to the pool. throws:   IOException - Problem returning File to pool. 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)