Java Code Examples for com.gemstone.gemfire.cache.Region#subregions()

public static Set<String> getAllRegionNames() {
  Cache cache = CacheFactory.getAnyInstance();
  Set<String> regionNames = new HashSet<String>();
  Set<Region<?,?>> rootRegions = cache.rootRegions();

  Iterator<Region<?,?>> rootRegionIters = rootRegions.iterator();

  while (rootRegionIters.hasNext()) {
    Region<?,?> rootRegion = rootRegionIters.next();
    regionNames.add(rootRegion.getFullPath().substring(1));

    Set<Region<?, ?>> subRegions = rootRegion.subregions(true);
    Iterator<Region<?,?>> subRegionIters = subRegions.iterator();

    while (subRegionIters.hasNext()) {
      Region<?,?> subRegion = subRegionIters.next();
      regionNames.add(subRegion.getFullPath().substring(1));
    }
  }
  return regionNames;
}
 

private void _destroyRegion(Region region){
  if (region != null) {
    String name = region.getName();
    String path = region.getFullPath();     
    String callback = callback("RegionOperations: Destroying region" + name + " in ");
    logInfo(callback);
    // TODO Optional dumping of region snapshot
    try {
      Region r = CacheFactory.getAnyInstance().getRegion(name);
      Set<Region> children = r.subregions(true);
      HashSet<String> childrennames = new HashSet<String>();
      if (children != null && children.size() > 0) {
        for (Region child : children) {
          childrennames.add(child.getFullPath());
        }
      }
      region.destroyRegion();
      removeAvailableRegion(region);
      operationRecorder.regionDestroyed(path, childrennames);
    } catch (Exception e) {
      handleException("RegionOperationError : destroyRegion", e, region);
    }
  } else {
    logInfo("No region Found continuing test list : " + availableRegions);
  }
}
 

public static List getAllRegionPathList(Region region, boolean recursive)
  {
  	List list = new ArrayList();
  	if (region == null) {
  		return list;
  	}
  	
  	Set subregionSet = region.subregions(true);
if (recursive) {
	for (Iterator subIter = subregionSet.iterator(); subIter.hasNext(); ){
		list.add(((Region)subIter.next()).getFullPath());
	}
}

      Collections.sort(list);
      return list;
  }
 

@SuppressWarnings("unchecked")
@Override
public void save(File dir, SnapshotFormat format,
    SnapshotOptions<Object, Object> options) throws IOException {
  if (!dir.exists()) {
    boolean created = dir.mkdirs();
    if (!created) {
      throw new IOException(LocalizedStrings.Snapshot_UNABLE_TO_CREATE_DIR_0.toLocalizedString(dir));
    }
  }
  
  for (Region<?, ?> r : (Set<Region<?, ?>>) cache.rootRegions()) {
    for (Region<?, ?> sub : r.subregions(true)) {
      saveRegion(sub, dir, format, options);
    }
    saveRegion(r, dir, format, options);
  }
}
 

public RegionInformation(Region<?, ?> region, boolean recursive) {
	this.name = region.getFullPath().substring(1);
	this.path = region.getFullPath().substring(1);
	this.scope = region.getAttributes().getScope();
	this.dataPolicy = region.getAttributes().getDataPolicy();
	
	if (region.getParentRegion() == null) {
		this.isRoot = true;
		
		if (recursive) {
			Set<Region<?,?>> subRegions = region.subregions(recursive);
			subRegionInformationSet = getSubRegions(subRegions);
		}
	} else {
		this.isRoot = false;
		this.parentRegion = region.getParentRegion().getFullPath();
	}
}
 

public static Set<String> getAllRegionNames() {
  Cache cache = CacheFactory.getAnyInstance();
  Set<String> regionNames = new HashSet<String>();
  Set<Region<?,?>> rootRegions = cache.rootRegions();

  Iterator<Region<?,?>> rootRegionIters = rootRegions.iterator();

  while (rootRegionIters.hasNext()) {
    Region<?,?> rootRegion = rootRegionIters.next();
    regionNames.add(rootRegion.getFullPath().substring(1));

    Set<Region<?, ?>> subRegions = rootRegion.subregions(true);
    Iterator<Region<?,?>> subRegionIters = subRegions.iterator();

    while (subRegionIters.hasNext()) {
      Region<?,?> subRegion = subRegionIters.next();
      regionNames.add(subRegion.getFullPath().substring(1));
    }
  }
  return regionNames;
}
 

private void _destroyRegion(Region region){
  if (region != null) {
    String name = region.getName();
    String path = region.getFullPath();     
    String callback = callback("RegionOperations: Destroying region" + name + " in ");
    logInfo(callback);
    // TODO Optional dumping of region snapshot
    try {
      Region r = CacheFactory.getAnyInstance().getRegion(name);
      Set<Region> children = r.subregions(true);
      HashSet<String> childrennames = new HashSet<String>();
      if (children != null && children.size() > 0) {
        for (Region child : children) {
          childrennames.add(child.getFullPath());
        }
      }
      region.destroyRegion();
      removeAvailableRegion(region);
      operationRecorder.regionDestroyed(path, childrennames);
    } catch (Exception e) {
      handleException("RegionOperationError : destroyRegion", e, region);
    }
  } else {
    logInfo("No region Found continuing test list : " + availableRegions);
  }
}
 

public static List getAllRegionPathList(Region region, boolean recursive)
  {
  	List list = new ArrayList();
  	if (region == null) {
  		return list;
  	}
  	
  	Set subregionSet = region.subregions(true);
if (recursive) {
	for (Iterator subIter = subregionSet.iterator(); subIter.hasNext(); ){
		list.add(((Region)subIter.next()).getFullPath());
	}
}

      Collections.sort(list);
      return list;
  }
 

@SuppressWarnings("unchecked")
@Override
public void save(File dir, SnapshotFormat format,
    SnapshotOptions<Object, Object> options) throws IOException {
  if (!dir.exists()) {
    boolean created = dir.mkdirs();
    if (!created) {
      throw new IOException(LocalizedStrings.Snapshot_UNABLE_TO_CREATE_DIR_0.toLocalizedString(dir));
    }
  }
  
  for (Region<?, ?> r : (Set<Region<?, ?>>) cache.rootRegions()) {
    for (Region<?, ?> sub : r.subregions(true)) {
      saveRegion(sub, dir, format, options);
    }
    saveRegion(r, dir, format, options);
  }
}
 

public RegionInformation(Region<?, ?> region, boolean recursive) {
	this.name = region.getFullPath().substring(1);
	this.path = region.getFullPath().substring(1);
	this.scope = region.getAttributes().getScope();
	this.dataPolicy = region.getAttributes().getDataPolicy();
	
	if (region.getParentRegion() == null) {
		this.isRoot = true;
		
		if (recursive) {
			Set<Region<?,?>> subRegions = region.subregions(recursive);
			subRegionInformationSet = getSubRegions(subRegions);
		}
	} else {
		this.isRoot = false;
		this.parentRegion = region.getParentRegion().getFullPath();
	}
}
 

/**
   * Returns a sorted list of all region full paths found in the specified
   * cache.
   * @param cache The cache to search.
   * @return Returns a sorted list of all region paths defined in the 
   *         distributed system.  
   */
  public static List getAllRegionPathList(Cache cache, boolean recursive)
  {
  	ArrayList list = new ArrayList();
  	if (cache == null) {
  		return list;
  	}
  	
  	// get a list of all root regions
Set regions = cache.rootRegions();
Iterator itor = regions.iterator();

while (itor.hasNext()) {
	String regionPath = ((Region)itor.next()).getFullPath();

	Region region = cache.getRegion(regionPath);
	list.add(regionPath);
	Set subregionSet = region.subregions(true);
	if (recursive) {
		for (Iterator subIter = subregionSet.iterator(); subIter.hasNext(); ){
			list.add(((Region)subIter.next()).getFullPath());
		}
	}
}
Collections.sort(list);
return list;
  }
 

public static String getRegionsStr(Cache gfCache) {
  StringBuilder sb = new StringBuilder();
  sb.append("Available regions: \n");
  for (Object regionObj : gfCache.rootRegions()) {
    Region<?, ?> region = (Region<?, ?>)regionObj;
    sb.append("\tRoot region: " + region.getFullPath() + "\n");
    for (Object subRegionObj : region.subregions(true)) {
      Region<?, ?> subRegion = (Region<?, ?>)subRegionObj;
      sb.append("\t\tSubregion: " + subRegion.getFullPath() + "\n");
    }
  }
  return sb.toString();
}
 

private void setRegionDetails(final Region<?, ?> region, final DiskStore diskStore, final DiskStoreDetails diskStoreDetails) {
  if (isUsingDiskStore(region, diskStore)) {
    final String regionFullPath = region.getFullPath();
    final DiskStoreDetails.RegionDetails regionDetails = new DiskStoreDetails.RegionDetails(regionFullPath,
      StringUtils.defaultIfBlank(region.getName(), regionFullPath));
    regionDetails.setOverflowToDisk(isOverflowToDisk(region));
    regionDetails.setPersistent(isPersistent(region));
    diskStoreDetails.add(regionDetails);
  }

  for (Region<?, ?> subregion : region.subregions(false)) {
    setRegionDetails(subregion, diskStore, diskStoreDetails); // depth-first, recursive strategy
  }
}
 

/**
 * Returns a sorted list of all region full paths found in the specified
 * cache.
 * @param cache The cache to search.
 * @param recursive recursive search for sub-regions
 * @return Returns a sorted list of all region paths defined in the 
 *         distributed system.  
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static List getAllRegionPaths(Cache cache, boolean recursive)
{
  ArrayList list = new ArrayList();
  if (cache == null) {
    return list;
  }
  
  // get a list of all root regions
Set regions = cache.rootRegions();
Iterator itor = regions.iterator();

while (itor.hasNext()) {
  String regionPath = ((Region)itor.next()).getFullPath();

  Region region = cache.getRegion(regionPath);
  list.add(regionPath);
  Set subregionSet = region.subregions(true);
  if (recursive) {
    for (Iterator subIter = subregionSet.iterator(); subIter.hasNext(); ){
      list.add(((Region)subIter.next()).getFullPath());
    }
  }
}
Collections.sort(list);
return list;
}
 

/**
 * Returns a sorted list of all region full paths found in the specified
 * cache.
 * @param cache The cache to search.
 * @param recursive recursive search for sub-regions
 * @return Returns a sorted list of all region paths defined in the 
 *         distributed system.  
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static List getAllRegionPaths(Cache cache, boolean recursive)
{
  ArrayList list = new ArrayList();
  if (cache == null) {
    return list;
  }
  
  // get a list of all root regions
Set regions = cache.rootRegions();
Iterator itor = regions.iterator();

while (itor.hasNext()) {
  String regionPath = ((Region)itor.next()).getFullPath();

  Region region = cache.getRegion(regionPath);
  list.add(regionPath);
  Set subregionSet = region.subregions(true);
  if (recursive) {
    for (Iterator subIter = subregionSet.iterator(); subIter.hasNext(); ){
      list.add(((Region)subIter.next()).getFullPath());
    }
  }
}
Collections.sort(list);
return list;
}
 

/**
   * Returns a sorted list of all region full paths found in the specified
   * cache.
   * @param cache The cache to search.
   * @return Returns a sorted list of all region paths defined in the 
   *         distributed system.  
   */
  public static List getAllRegionPathList(Cache cache, boolean recursive)
  {
  	ArrayList list = new ArrayList();
  	if (cache == null) {
  		return list;
  	}
  	
  	// get a list of all root regions
Set regions = cache.rootRegions();
Iterator itor = regions.iterator();

while (itor.hasNext()) {
	String regionPath = ((Region)itor.next()).getFullPath();

	Region region = cache.getRegion(regionPath);
	list.add(regionPath);
	Set subregionSet = region.subregions(true);
	if (recursive) {
		for (Iterator subIter = subregionSet.iterator(); subIter.hasNext(); ){
			list.add(((Region)subIter.next()).getFullPath());
		}
	}
}
Collections.sort(list);
return list;
  }
 

private void setRegionDetails(final Region<?, ?> region, final DiskStore diskStore, final DiskStoreDetails diskStoreDetails) {
  if (isUsingDiskStore(region, diskStore)) {
    final String regionFullPath = region.getFullPath();
    final DiskStoreDetails.RegionDetails regionDetails = new DiskStoreDetails.RegionDetails(regionFullPath,
      StringUtils.defaultIfBlank(region.getName(), regionFullPath));
    regionDetails.setOverflowToDisk(isOverflowToDisk(region));
    regionDetails.setPersistent(isPersistent(region));
    diskStoreDetails.add(regionDetails);
  }

  for (Region<?, ?> subregion : region.subregions(false)) {
    setRegionDetails(subregion, diskStore, diskStoreDetails); // depth-first, recursive strategy
  }
}
 

public static String getRegionsStr(Cache gfCache) {
  StringBuilder sb = new StringBuilder();
  sb.append("Available regions: \n");
  for (Object regionObj : gfCache.rootRegions()) {
    Region<?, ?> region = (Region<?, ?>)regionObj;
    sb.append("\tRoot region: " + region.getFullPath() + "\n");
    for (Object subRegionObj : region.subregions(true)) {
      Region<?, ?> subRegion = (Region<?, ?>)subRegionObj;
      sb.append("\t\tSubregion: " + subRegion.getFullPath() + "\n");
    }
  }
  return sb.toString();
}