Java Doc for Explain.java in  » Workflow-Engines » pegasus-2.1.0 » org » griphyn » vdl » directive » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » pegasus 2.1.0 » org.griphyn.vdl.directive   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.griphyn.vdl.directive.Directive       org.griphyn.vdl.directive.Explain Explain public class Explain extends Directive (Code) This class generates the DAX per the request for LFNs or DVs author:    Jens-S. Vöckler author:    Yong Zhao version:    $Revision: 50 $ See Also:   org.griphyn.vdl.router.Route See Also:   org.griphyn.vdl.router.BookKeeper See Also:   org.griphyn.vdl.dbschema.VDC Constructor Summary public   Explain()      public   Explain(DatabaseSchema dbs)      Constructor: Sets the database schema instance, and initializes the internal Route accordingly. Method Summary public  boolean isEmpty()      Checks if the result is empty or not. public  boolean requestDerivation(String namespace, String name, String version)      Requests for a specific derivation. public  boolean requestDerivation(String fqdn)      Requests for a specific derivation. public  boolean requestDerivation(java.util.Collection symbolicList)      Requests a set of specific derivations. public  boolean requestLFN(String filename)      Requests a data product logical filename. public  boolean requestLFN(java.util.Collection filenames)      Requests a set of logical filenames. public  void setDatabaseSchema(DatabaseSchema dbs)      Sets database schema, and initialzes the internal Route accordingly. public  void setMaximumDepth(int depth)      Allows to limit the maximum depth that the router is willing to go. Parameters:   depth - is the maximum depth. public  void writeDAX(Writer writer, String label)      Writes the abstract DAX from the accumulated results. public  void writeDAX(Writer writer, String label, String xmlns)      Writes the abstract DAX with a namespace prefix. Constructor Detail Explain public Explain() throws IOException, MissingResourceException(Code) Constructor Explain public Explain(DatabaseSchema dbs) throws IOException, MissingResourceException(Code) Constructor: Sets the database schema instance, and initializes the internal Route accordingly. Parameters:   dbs - the database schema instance See Also:   org.griphyn.vdl.router.Route See Also:   org.griphyn.vdl.router.BookKeeper Method Detail isEmpty public boolean isEmpty()(Code) Checks if the result is empty or not. true, if the result is undefined or empty, false otherwise. requestDerivation public boolean requestDerivation(String namespace, String name, String version)(Code) Requests for a specific derivation. As a result, a build-style DAG will be produced and maintained in the book-keeping structure. Parameters:   namespace - is the namespace of the derivation. Parameters:   name - is the name of the derivation. Parameters:   version - is the version of the derivation. true if the request is successful See Also:   org.griphyn.vdl.router.Route.requestDerivation(StringStringStringBookKeeper) See Also:   org.griphyn.vdl.router.BookKeeper See Also:    requestDerivation public boolean requestDerivation(String fqdn) throws IllegalArgumentException(Code) Requests for a specific derivation. As a result, a build-style DAG will be produced and maintained in the book-keeping structure. Parameters:   fqdn - is the fully qualified name of the derivation. true if the request is successful See Also:   org.griphyn.common.util.Separator.splitFQDI(String) See Also:   org.griphyn.vdl.router.Route.requestDerivation(StringStringStringBookKeeper) See Also:   org.griphyn.vdl.router.BookKeeper See Also:    requestDerivation public boolean requestDerivation(java.util.Collection symbolicList) throws IllegalArgumentException(Code) Requests a set of specific derivations. As a result, a build-style DAG will be produced and maintained in the book-keeping structure. Parameters:   symbolicList - is a collecting of symbolic FQDN derivation triples. true if the request is successful See Also:   org.griphyn.common.util.Separator.splitFQDI(String) See Also:   org.griphyn.vdl.router.Route.requestDerivation(CollectionBookKeeper) See Also:   org.griphyn.vdl.router.BookKeeper See Also:    requestLFN public boolean requestLFN(String filename) throws java.sql.SQLException(Code) Requests a data product logical filename. As a result, the complete build-style DAG for producing the requested filename will be constructed. Parameters:   filename - is the name of the requested LFN. true if the request is successful See Also:   Explain.requestLFN(java.util.Collection) See Also:   org.griphyn.vdl.router.BookKeeper See Also:    requestLFN public boolean requestLFN(java.util.Collection filenames) throws java.sql.SQLException(Code) Requests a set of logical filenames. As a result, the complete build-style DAG for producing the requested LFNs will be constructed. Parameters:   filenames - is the list or set of logical filenames requested. true if the request is successful See Also:   org.griphyn.vdl.router.Route.requestLfn(CollectionBookKeeper) See Also:   org.griphyn.vdl.router.BookKeeper See Also:    setDatabaseSchema public void setDatabaseSchema(DatabaseSchema dbs)(Code) Sets database schema, and initialzes the internal Route accordingly. Parameters:   dbs - the database schema instance See Also:   org.griphyn.vdl.router.Route See Also:   org.griphyn.vdl.router.BookKeeper See Also:    setMaximumDepth public void setMaximumDepth(int depth)(Code) Allows to limit the maximum depth that the router is willing to go. Parameters:   depth - is the maximum depth. Use Integer.MAX_VALUE for(virtually) unlimited depth. writeDAX public void writeDAX(Writer writer, String label) throws IOException(Code) Writes the abstract DAX from the accumulated results. Parameters:   writer - the output writer Parameters:   label - the label of the dax See Also:   org.griphyn.vdl.router.BookKeeper.getDAX writeDAX public void writeDAX(Writer writer, String label, String xmlns) throws IOException(Code) Writes the abstract DAX with a namespace prefix. Parameters:   writer - the output writer Parameters:   label - the label of the dax Parameters:   xmlns - the xml namespace prefix See Also:   org.griphyn.vdl.router.BookKeeper.getDAX Fields inherited from org.griphyn.vdl.directive.Directive protected Logging m_logger(Code)(Java Doc) protected ChimeraProperties m_props(Code)(Java Doc) protected boolean m_verbose(Code)(Java Doc) Methods inherited from org.griphyn.vdl.directive.Directive public Logging getLogger()(Code)(Java Doc) public ChimeraProperties getProperties()(Code)(Java Doc) public boolean getVerbose()(Code)(Java Doc) public void setLogger(Logging logger)(Code)(Java Doc) public void setProperties(ChimeraProperties props)(Code)(Java Doc) public void setVerbose(boolean v)(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)