/**
* It loads the objects using their non singleton implementations.
*
* @param propFileName the name of the properties file that needs to be picked up from
* PEGASUS_HOME/etc directory.If it is null, then the default properties file should be picked
* up.
*/
public void loadNonSingletonObjects(String propFileName) {
// these should be invoked in non singleton
// manner but is not.
mLogger = LogManagerFactory.loadSingletonInstance();
mLogMsg = new String();
mPoolProvider = new String();
mProps =
PegasusProperties.getInstance(
(propFileName == null)
?
// load the default properties file
edu.isi.pegasus.common.util.CommonProperties.PROPERTY_FILENAME
:
// load the file with this name from $PEGASUS_HOME/etc directory
propFileName);
// these should be invoked in non singleton
// manner but is not.
mUserOpts = UserOptions.getInstance();
mWorkDir = mProps.getExecDirectory();
mStorageDir = mProps.getStorageDirectory();
mDeepStorageStructure = mProps.useDeepStorageDirectoryStructure();
}
/**
* It loads the objects that the pool providers need in a singleton manner, wherever possible. If
* the class in not implemented in Singleton manner, the objects would be loaded normally.
*/
protected void loadSingletonObjects() {
mLogger = LogManagerFactory.loadSingletonInstance();
mLogMsg = new String();
mPoolProvider = new String();
mProps = PegasusProperties.getInstance();
mUserOpts = UserOptions.getInstance();
mWorkDir = mProps.getExecDirectory();
mStorageDir = mProps.getStorageDirectory();
mDeepStorageStructure = mProps.useDeepStorageDirectoryStructure();
}
/**
* This determines the working directory on remote execution pool on the basis of whether an
* absolute path is specified in the pegasus.dir.exec directory or a relative path. If the job
* class happens to be a create directory job it does not append the name of the random directory
* since the job is trying to create that random directory.
*
* @param siteID the name of the site where the job has to be executed.
* @param path the relative path that needs to be appended to the workdir from the execution pool.
* @param jobClass the class of the job.
* @return the path to the pool work dir.
* @throws RuntimeException in case of site not found in the site catalog.
*/
public String getExecPoolWorkDir(String siteID, String path, int jobClass) {
SiteInfo execPool = this.getPoolEntry(siteID, "vanilla");
if (execPool == null) {
throw new RuntimeException("Entry for " + siteID + " does not exist in the Site Catalog");
}
String execPoolDir = mWorkDir;
if (jobClass == Job.CREATE_DIR_JOB) {
// the create dir jobs always run in the
// workdir specified in the site catalog
return execPool.getExecMountPoint();
}
if (mWorkDir.length() == 0 || mWorkDir.charAt(0) != '/') {
// means you have to append the
// value specfied by pegasus.dir.exec
File f = new File(execPool.getExecMountPoint(), mWorkDir);
execPoolDir = f.getAbsolutePath();
}
// get the random directory name
String randDir = mUserOpts.getRandomDirName();
if (randDir != null) {
// append the random dir name to the
// work dir constructed till now
File f = new File(execPoolDir, randDir);
execPoolDir = f.getAbsolutePath();
}
// path takes precedence over random dir
if (path != null) {
// well i can do nesting conditional return but wont
return (path.length() == 0 || path.charAt(0) != '/')
?
// append the path
new File(execPoolDir, path).getAbsolutePath()
: // else absolute path specified
path;
}
return execPoolDir;
}