How to use

Capacity

in

alluxio.wire

private Capacity getUfsCapacityInternal() {
 MountPointInfo mountInfo = mFileSystemMaster.getMountTable().get(MountTable.ROOT);
 if (mountInfo == null) {
  return new Capacity().setTotal(-1).setUsed(-1);
 }
 long capacityBytes = mountInfo.getUfsCapacityBytes();
 long usedBytes = mountInfo.getUfsUsedBytes();
 return new Capacity().setTotal(capacityBytes).setUsed(usedBytes);
}

/**
 * @summary get the free ufs capacity in bytes, a negative value means the capacity is unknown.
 * @return the response object
 * @deprecated since version 1.4 and will be removed in version 2.0
 * @see #getInfo(Boolean)
 */
@GET
@Path(GET_UFS_FREE_BYTES)
@ReturnType("java.lang.Long")
@Deprecated
public Response getUfsFreeBytes() {
 return RestUtils.call(() -> {
  Capacity capacity = getUfsCapacityInternal();
  if (capacity.getTotal() >= 0 && capacity.getUsed() >= 0 && capacity.getTotal() >= capacity
    .getUsed()) {
   return capacity.getTotal() - capacity.getUsed();
  }
  return -1;
 }, ServerConfiguration.global());
}

/**
 * @summary get the used disk capacity, a negative value means the capacity is unknown.
 * @return the response object
 * @deprecated since version 1.4 and will be removed in version 2.0
 * @see #getInfo(Boolean)
 */
@GET
@Path(GET_UFS_USED_BYTES)
@ReturnType("java.lang.Long")
@Deprecated
public Response getUfsUsedBytes() {
 return RestUtils.call(() -> getUfsCapacityInternal().getUsed(), ServerConfiguration.global());
}

/**
 * @summary get the total ufs capacity in bytes, a negative value means the capacity is
 * unknown.
 * @return the response object
 * @deprecated since version 1.4 and will be removed in version 2.0
 * @see #getInfo(Boolean)
 */
@GET
@Path(GET_UFS_CAPACITY_BYTES)
@ReturnType("java.lang.Long")
@Deprecated
public Response getUfsCapacityBytes() {
 return RestUtils.call(() -> getUfsCapacityInternal().getTotal(), ServerConfiguration.global());
}

/**
 * @summary get the used disk capacity, a negative value means the capacity is unknown.
 * @return the response object
 * @deprecated since version 1.4 and will be removed in version 2.0
 * @see #getInfo(Boolean)
 */
@GET
@Path(GET_UFS_USED_BYTES)
@ReturnType("java.lang.Long")
@Deprecated
public Response getUfsUsedBytes() {
 return RestUtils.call(() -> getUfsCapacityInternal().getUsed());
}

/**
 * @summary get the total ufs capacity in bytes, a negative value means the capacity is unknown.
 * @return the response object
 * @deprecated since version 1.4 and will be removed in version 2.0
 * @see #getInfo(Boolean)
 */
@GET
@Path(GET_UFS_CAPACITY_BYTES)
@ReturnType("java.lang.Long")
@Deprecated
public Response getUfsCapacityBytes() {
 return RestUtils.call(() -> getUfsCapacityInternal().getTotal());
}

private Capacity getCapacityInternal() {
 return new Capacity().setTotal(mStoreMeta.getCapacityBytes())
   .setUsed(mStoreMeta.getUsedBytes());
}

/**
 * Checks if the two Capacity objects are equal.
 *
 * @param a the first Capacity object to be checked
 * @param b the second Capacity object to be checked
 */
private void checkEquality(Capacity a, Capacity b) {
 assertEquals(a.getTotal(), b.getTotal());
 assertEquals(a.getUsed(), b.getUsed());
 assertEquals(a, b);
}

private Capacity getCapacityInternal() {
 return new Capacity().setTotal(mBlockMaster.getCapacityBytes())
   .setUsed(mBlockMaster.getUsedBytes());
}

/**
 * @summary get the free ufs capacity in bytes, a negative value means the capacity is unknown.
 * @return the response object
 * @deprecated since version 1.4 and will be removed in version 2.0
 * @see #getInfo(Boolean)
 */
@GET
@Path(GET_UFS_FREE_BYTES)
@ReturnType("java.lang.Long")
@Deprecated
public Response getUfsFreeBytes() {
 return RestUtils.call(() -> {
  Capacity capacity = getUfsCapacityInternal();
  if (capacity.getTotal() >= 0 && capacity.getUsed() >= 0 && capacity.getTotal() >= capacity
    .getUsed()) {
   return capacity.getTotal() - capacity.getUsed();
  }
  return -1;
 });
}

private Map<String, Capacity> getTierCapacityInternal() {
 SortedMap<String, Capacity> tierCapacity = new TreeMap<>(getTierAliasComparator());
 Map<String, Long> capacityBytesOnTiers = mStoreMeta.getCapacityBytesOnTiers();
 Map<String, Long> usedBytesOnTiers = mStoreMeta.getUsedBytesOnTiers();
 for (Map.Entry<String, Long> entry : capacityBytesOnTiers.entrySet()) {
  tierCapacity.put(entry.getKey(),
    new Capacity().setTotal(entry.getValue()).setUsed(usedBytesOnTiers.get(entry.getKey())));
 }
 return tierCapacity;
}

private Map<String, Capacity> getTierCapacityInternal() {
 SortedMap<String, Capacity> tierCapacity = new TreeMap<>();
 Map<String, Long> totalTierCapacity = mBlockMaster.getTotalBytesOnTiers();
 Map<String, Long> usedTierCapacity = mBlockMaster.getUsedBytesOnTiers();
 for (String tierAlias : mBlockMaster.getGlobalStorageTierAssoc().getOrderedStorageAliases()) {
  long total = totalTierCapacity.containsKey(tierAlias) ? totalTierCapacity.get(tierAlias) : 0;
  long used = usedTierCapacity.containsKey(tierAlias) ? usedTierCapacity.get(tierAlias) : 0;
  tierCapacity.put(tierAlias, new Capacity().setTotal(total).setUsed(used));
 }
 return tierCapacity;
}

 /**
  * Randomly creates a Capacity object.
  *
  * @return the created Capacity object
  */
 protected static Capacity createRandom() {
  Capacity result = new Capacity();
  Random random = new Random();

  long total = random.nextLong();
  long used = random.nextLong();

  result.setTotal(total);
  result.setUsed(used);

  return result;
 }
}

private Capacity getUfsCapacityInternal() {
 MountPointInfo mountInfo = mFileSystemMaster.getMountTable().get(MountTable.ROOT);
 if (mountInfo == null) {
  return new Capacity().setTotal(-1).setUsed(-1);
 }
 long capacityBytes = mountInfo.getUfsCapacityBytes();
 long usedBytes = mountInfo.getUfsUsedBytes();
 return new Capacity().setTotal(capacityBytes).setUsed(usedBytes);
}

private Capacity getCapacityInternal() {
 return new Capacity().setTotal(mBlockMaster.getCapacityBytes())
   .setUsed(mBlockMaster.getUsedBytes());
}

private Map<String, Capacity> getTierCapacityInternal() {
 SortedMap<String, Capacity> tierCapacity = new TreeMap<>();
 Map<String, Long> totalTierCapacity = mBlockMaster.getTotalBytesOnTiers();
 Map<String, Long> usedTierCapacity = mBlockMaster.getUsedBytesOnTiers();
 for (String tierAlias : mBlockMaster.getGlobalStorageTierAssoc().getOrderedStorageAliases()) {
  long total = totalTierCapacity.containsKey(tierAlias) ? totalTierCapacity.get(tierAlias) : 0;
  long used = usedTierCapacity.containsKey(tierAlias) ? usedTierCapacity.get(tierAlias) : 0;
  tierCapacity.put(tierAlias, new Capacity().setTotal(total).setUsed(used));
 }
 return tierCapacity;
}