thredds.cataloggen.inserter
Class LatestCompleteProxyDsHandler

java.lang.Object
  thredds.cataloggen.inserter.LatestCompleteProxyDsHandler

All Implemented Interfaces:

ProxyDatasetHandler

public class LatestCompleteProxyDsHandler
extends Object
implements ProxyDatasetHandler

Adds a latest complete dataset to a collection where the latest is determined by the creation date stamp and the last modified date. The dataset name is assumed to provide a creation date stamp that sorted lexigraphically gives the most recent dataset at the end of the list. Any datasets whose last modified date (CrawlableDataset.lastModified()) is more recent than the present time minus the given lastModifiedLimit.

Since:

Nov 29, 2005 12:12:53 PM

Author:

edavis

Constructor Summary

LatestCompleteProxyDsHandler(String latestName, boolean locateAtTopOrBottom, InvService service, boolean isResolver, long lastModifiedLimit)
Constructor.

Method Summary

CrawlableDataset	createProxyDataset(CrawlableDataset parent) Create a new dataset to add to the parent collection dataset.
InvCrawlablePair	getActualDataset(List atomicDsInfo) Determine the InvCrawlablePair from the given dataset collection (java.util.List) being proxied by this ProxyDatasetHandler.
String	getActualDatasetName(InvCrawlablePair actualDataset, String baseName)
Object	getConfigObject() Return the configuration object.
long	getLastModifiedLimit()
String	getName()
int	getProxyDatasetLocation(CrawlableDataset parent, int collectionDatasetSize) Return an integer which indicates the location/index at which the new dataset should be added to the parent collection dataset.
String	getProxyDatasetName() Return the name of the proxy dataset.
InvService	getProxyDatasetService(CrawlableDataset parent) Return the InvService to be used by the InvDataset that corresponds to the created dataset.
String	getServiceName()
boolean	isLocateAtTopOrBottom()
boolean	isProxyDatasetResolver()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LatestCompleteProxyDsHandler

public LatestCompleteProxyDsHandler(String latestName,
                                    boolean locateAtTopOrBottom,
                                    InvService service,
                                    boolean isResolver,
                                    long lastModifiedLimit)

Constructor. The latestName is used as the name of latest dataset created. The location for the placement of the latest dataset is given by locateAtTopOrBottom (true - locate on top; false - locate on bottom).

Parameters:

latestName - the name to be used for all latest dataset, if null, the default is "latest.xml".

locateAtTopOrBottom - indicates where to locate the latest dataset (true - locate on top; false - locate on bottom).

service - the InvService used by the created dataset.

lastModifiedLimit - only use datasets whose lastModified() time is at least this many minutes in the past

Method Detail

getName

public String getName()

isLocateAtTopOrBottom

public boolean isLocateAtTopOrBottom()

getServiceName

public String getServiceName()

getLastModifiedLimit

public long getLastModifiedLimit()

getProxyDatasetName

public String getProxyDatasetName()

Description copied from interface: ProxyDatasetHandler

Return the name of the proxy dataset.

Specified by:

getProxyDatasetName in interface ProxyDatasetHandler

Returns:

the name of the proxy dataset.

getConfigObject

public Object getConfigObject()

Description copied from interface: ProxyDatasetHandler

Return the configuration object.

Specified by:

getConfigObject in interface ProxyDatasetHandler

Returns:

the configuration Object (may be null).

createProxyDataset

public CrawlableDataset createProxyDataset(CrawlableDataset parent)

Description copied from interface: ProxyDatasetHandler

Create a new dataset to add to the parent collection dataset.

Specified by:

createProxyDataset in interface ProxyDatasetHandler

Parameters:

parent - the collection dataset in which to add the dataset being created.

Returns:

A new CrawlableDataset to be added to the parent dataset (in the InvDataset arena).

getProxyDatasetService

public InvService getProxyDatasetService(CrawlableDataset parent)

Description copied from interface: ProxyDatasetHandler

Return the InvService to be used by the InvDataset that corresponds to the created dataset.

Specified by:

getProxyDatasetService in interface ProxyDatasetHandler

Parameters:

parent - the collection dataset in which to add the dataset being created.

Returns:

the InvService used by the InvDataset that corresponds to the created dataset.

getProxyDatasetLocation

public int getProxyDatasetLocation(CrawlableDataset parent,
                                   int collectionDatasetSize)

Description copied from interface: ProxyDatasetHandler

Return an integer which indicates the location/index at which the new dataset should be added to the parent collection dataset.

Specified by:

getProxyDatasetLocation in interface ProxyDatasetHandler

Parameters:

parent - the collection dataset in which to add the dataset being created.

collectionDatasetSize - the number of datasets currentlyin the parent collection dataset.

Returns:

The location at which the new dataset is to be added to the parent collection dataset.

isProxyDatasetResolver

public boolean isProxyDatasetResolver()

Specified by:

isProxyDatasetResolver in interface ProxyDatasetHandler

getActualDataset

public InvCrawlablePair getActualDataset(List atomicDsInfo)

Description copied from interface: ProxyDatasetHandler

Determine the InvCrawlablePair from the given dataset collection (java.util.List) being proxied by this ProxyDatasetHandler.

Specified by:

getActualDataset in interface ProxyDatasetHandler

Parameters:

atomicDsInfo - a list of InvCrawlablePair objects representing a dataset collection.

Returns:

the InvCrawlablePair being proxied by this proxy dataset

getActualDatasetName

public String getActualDatasetName(InvCrawlablePair actualDataset,
                                   String baseName)

Specified by:

getActualDatasetName in interface ProxyDatasetHandler