Java Doc for JDBCBayesianAnalyzer.java in  » Net » james-2.3.1 » org » apache » james » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » james 2.3.1 » org.apache.james.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.james.util.BayesianAnalyzer       org.apache.james.util.JDBCBayesianAnalyzer JDBCBayesianAnalyzer abstract public class JDBCBayesianAnalyzer extends BayesianAnalyzer (Code) Manages the persistence of the spam bayesian analysis corpus using a JDBC database. This class is abstract to allow implementations to take advantage of different logging capabilities/interfaces in different parts of the code. version:    CVS $Revision: $ $Date: $ since:    2.3.0 Field Summary final public static  String DATABASE_LOCK      Public object representing a lock on database activity. Constructor Summary public   JDBCBayesianAnalyzer()      Default constructor. Method Summary abstract protected  void delegatedLog(String errorString)      An abstract method which child classes override to handle logging of errors in their particular environments. public static  long getLastDatabaseUpdateTime()      Getter for static lastDatabaseUpdateTime. public  String getSqlFileName()      Getter for property sqlFileName. public  Map getSqlParameters()      Getter for property sqlParameters. public  void initSqlQueries(Connection conn, org.apache.mailet.MailetContext mailetContext)      Initializes the sql query environment from the SqlResources file. public  void loadHamNSpam(Connection conn)      Loads the token frequencies from the database. public  void setSqlFileName(String sqlFileName)      Setter for property sqlFileName. public  void setSqlParameters(Map sqlParameters)      Setter for property sqlParameters. public static  void touchLastDatabaseUpdateTime()      Sets static lastDatabaseUpdateTime to System.currentTimeMillis(). public  void updateHamTokens(Connection conn)      Updates the database with new "ham" token frequencies. public  void updateSpamTokens(Connection conn)      Updates the database with new "spam" token frequencies. Field Detail DATABASE_LOCK final public static String DATABASE_LOCK(Code) Public object representing a lock on database activity. Constructor Detail JDBCBayesianAnalyzer public JDBCBayesianAnalyzer()(Code) Default constructor. Method Detail delegatedLog abstract protected void delegatedLog(String errorString)(Code) An abstract method which child classes override to handle logging of errors in their particular environments. Parameters:   errorString - the error message generated getLastDatabaseUpdateTime public static long getLastDatabaseUpdateTime()(Code) Getter for static lastDatabaseUpdateTime. Value of property lastDatabaseUpdateTime. getSqlFileName public String getSqlFileName()(Code) Getter for property sqlFileName. Value of property sqlFileName. getSqlParameters public Map getSqlParameters()(Code) Getter for property sqlParameters. Value of property sqlParameters. initSqlQueries public void initSqlQueries(Connection conn, org.apache.mailet.MailetContext mailetContext) throws Exception(Code) Initializes the sql query environment from the SqlResources file. Will look for conf/sqlResources.xml. Parameters:   conn - The connection for accessing the database Parameters:   mailetContext - The current mailet context,for finding the conf/sqlResources.xml file throws:   Exception - If any error occurs loadHamNSpam public void loadHamNSpam(Connection conn) throws java.sql.SQLException(Code) Loads the token frequencies from the database. Parameters:   conn - The connection for accessing the database throws:   SQLException - If a database error occurs setSqlFileName public void setSqlFileName(String sqlFileName)(Code) Setter for property sqlFileName. Parameters:   sqlFileName - New value of property sqlFileName. setSqlParameters public void setSqlParameters(Map sqlParameters)(Code) Setter for property sqlParameters. Parameters:   sqlParameters - New value of property sqlParameters. touchLastDatabaseUpdateTime public static void touchLastDatabaseUpdateTime()(Code) Sets static lastDatabaseUpdateTime to System.currentTimeMillis(). updateHamTokens public void updateHamTokens(Connection conn) throws java.sql.SQLException(Code) Updates the database with new "ham" token frequencies. Parameters:   conn - The connection for accessing the database throws:   SQLException - If a database error occurs updateSpamTokens public void updateSpamTokens(Connection conn) throws java.sql.SQLException(Code) Updates the database with new "spam" token frequencies. Parameters:   conn - The connection for accessing the database throws:   SQLException - If a database error occurs Methods inherited from org.apache.james.util.BayesianAnalyzer public void addHam(Reader stream) throws java.io.IOException(Code)(Java Doc) public void addSpam(Reader stream) throws java.io.IOException(Code)(Java Doc) public void buildCorpus()(Code)(Java Doc) public void clear()(Code)(Java Doc) public double computeSpamProbability(Reader stream) throws java.io.IOException(Code)(Java Doc) public Map getCorpus()(Code)(Java Doc) public int getHamMessageCount()(Code)(Java Doc) public Map getHamTokenCounts()(Code)(Java Doc) public int getSpamMessageCount()(Code)(Java Doc) public Map getSpamTokenCounts()(Code)(Java Doc) public void setCorpus(Map corpus)(Code)(Java Doc) public void setHamMessageCount(int hamMessageCount)(Code)(Java Doc) public void setHamTokenCounts(Map hamTokenCounts)(Code)(Java Doc) public void setSpamMessageCount(int spamMessageCount)(Code)(Java Doc) public void setSpamTokenCounts(Map spamTokenCounts)(Code)(Java Doc) public void tokenCountsClear()(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)