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YARN-6892. [YARN-3926] Improve API implementation in Resources and DominantResourceCalculator class. Contributed by Sunil G.

This commit is contained in:
Sunil G 2017-08-16 15:25:36 +05:30 committed by Wangda Tan
parent d5e9939ebb
commit 2b51b262ab
3 changed files with 251 additions and 228 deletions
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70
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Resource.java
View File

@ -164,7 +164,6 @@ public abstract class Resource implements Comparable<Resource> {
"This method is implemented by ResourcePBImpl");
}
/**
* Get <em>number of virtual cpu cores</em> of the resource.
*
@ -179,7 +178,7 @@ public abstract class Resource implements Comparable<Resource> {
@Public
@Evolving
public abstract int getVirtualCores();
/**
* Set <em>number of virtual cpu cores</em> of the resource.
*
@ -224,6 +223,27 @@ public abstract class Resource implements Comparable<Resource> {
+ "'. Known resources are " + Arrays.toString(resources));
}
/**
* Get ResourceInformation for a specified resource from a given index.
*
* @param index
* of the resource
* @return the ResourceInformation object for the resource
* @throws ResourceNotFoundException
* if the resource can't be found
*/
@Public
@Evolving
public ResourceInformation getResourceInformation(int index)
throws ResourceNotFoundException {
ResourceInformation[] resources = getResources();
if (index < 0 || index >= resources.length) {
throw new ResourceNotFoundException("Unknown resource at index '" + index
+ "'. Vaid resources are: " + Arrays.toString(resources));
}
return resources[index];
}
/**
* Get the value for a specified resource. No information about the units is
* returned.
@ -263,6 +283,29 @@ public abstract class Resource implements Comparable<Resource> {
ResourceInformation.copy(resourceInformation, storedResourceInfo);
}
/**
* Set the ResourceInformation object for a particular resource.
*
* @param index
* the resource index for which the ResourceInformation is provided
* @param resourceInformation
* ResourceInformation object
* @throws ResourceNotFoundException
* if the resource is not found
*/
@Public
@Evolving
public void setResourceInformation(int index,
ResourceInformation resourceInformation)
throws ResourceNotFoundException {
ResourceInformation[] resources = getResources();
if (index < 0 || index >= resources.length) {
throw new ResourceNotFoundException("Unknown resource at index '" + index
+ "'. Valid resources are " + Arrays.toString(resources));
}
ResourceInformation.copy(resourceInformation, resources[index]);
}
/**
* Set the value of a resource in the ResourceInformation object. The unit of
* the value is assumed to be the one in the ResourceInformation object.
@ -288,6 +331,29 @@ public abstract class Resource implements Comparable<Resource> {
storedResourceInfo.setValue(value);
}
/**
* Set the value of a resource in the ResourceInformation object. The unit of
* the value is assumed to be the one in the ResourceInformation object.
*
* @param index
* the resource index for which the value is provided.
* @param value
* the value to set
* @throws ResourceNotFoundException
* if the resource is not found
*/
@Public
@Evolving
public void setResourceValue(int index, long value)
throws ResourceNotFoundException {
ResourceInformation[] resources = getResources();
if (index < 0 || index >= resources.length) {
throw new ResourceNotFoundException("Unknown resource at index '" + index
+ "'. Valid resources are " + Arrays.toString(resources));
}
resources[index].setValue(value);
}
@Override
public int hashCode() {
final int prime = 263167;

311
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/DominantResourceCalculator.java
View File

@ -17,13 +17,10 @@
*/
package org.apache.hadoop.yarn.util.resource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceInformation;
import org.apache.hadoop.yarn.exceptions.ResourceNotFoundException;
import org.apache.hadoop.yarn.util.UnitsConversionUtil;
@ -51,14 +48,8 @@ import org.apache.hadoop.yarn.util.UnitsConversionUtil;
@Private
@Unstable
public class DominantResourceCalculator extends ResourceCalculator {
private static final Log LOG =
LogFactory.getLog(DominantResourceCalculator.class);
private String[] resourceNames;
public DominantResourceCalculator() {
resourceNames = ResourceUtils.getResourceNamesArray();
}
/**
@ -75,21 +66,17 @@ public class DominantResourceCalculator extends ResourceCalculator {
boolean rhsGreater = false;
int ret = 0;
for (String rName : resourceNames) {
try {
ResourceInformation lhsResourceInformation =
lhs.getResourceInformation(rName);
ResourceInformation rhsResourceInformation =
rhs.getResourceInformation(rName);
int diff = lhsResourceInformation.compareTo(rhsResourceInformation);
if (diff >= 1) {
lhsGreater = true;
} else if (diff <= -1) {
rhsGreater = true;
}
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + rName, ye);
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation lhsResourceInformation = lhs
.getResourceInformation(i);
ResourceInformation rhsResourceInformation = rhs
.getResourceInformation(i);
int diff = lhsResourceInformation.compareTo(rhsResourceInformation);
if (diff >= 1) {
lhsGreater = true;
} else if (diff <= -1) {
rhsGreater = true;
}
}
if (lhsGreater && rhsGreater) {
@ -147,50 +134,40 @@ public class DominantResourceCalculator extends ResourceCalculator {
float min = Float.MAX_VALUE;
float max = 0.0f;
for (String rName : resourceNames) {
try {
ResourceInformation clusterResourceResourceInformation =
clusterResource.getResourceInformation(rName);
ResourceInformation resourceInformation =
resource.getResourceInformation(rName);
long resourceValue = UnitsConversionUtil
.convert(resourceInformation.getUnits(),
clusterResourceResourceInformation.getUnits(),
resourceInformation.getValue());
float tmp =
(float) resourceValue / (float) clusterResourceResourceInformation
.getValue();
min = min < tmp ? min : tmp;
max = max > tmp ? max : tmp;
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + resource, ye);
}
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation clusterResourceResourceInformation = clusterResource
.getResourceInformation(i);
ResourceInformation resourceInformation = resource
.getResourceInformation(i);
long resourceValue = UnitsConversionUtil.convert(
resourceInformation.getUnits(),
clusterResourceResourceInformation.getUnits(),
resourceInformation.getValue());
float tmp = (float) resourceValue
/ (float) clusterResourceResourceInformation.getValue();
min = min < tmp ? min : tmp;
max = max > tmp ? max : tmp;
}
return (dominant) ? max : min;
}
@Override
public long computeAvailableContainers(Resource available, Resource required) {
public long computeAvailableContainers(Resource available,
Resource required) {
long min = Long.MAX_VALUE;
for (String resource : resourceNames) {
try {
ResourceInformation availableResource =
available.getResourceInformation(resource);
ResourceInformation requiredResource =
required.getResourceInformation(resource);
long requiredResourceValue = UnitsConversionUtil
.convert(requiredResource.getUnits(), availableResource.getUnits(),
requiredResource.getValue());
if (requiredResourceValue != 0) {
long tmp = availableResource.getValue() / requiredResourceValue;
min = min < tmp ? min : tmp;
}
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + resource, ye);
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation availableResource = available
.getResourceInformation(i);
ResourceInformation requiredResource = required.getResourceInformation(i);
long requiredResourceValue = UnitsConversionUtil.convert(
requiredResource.getUnits(), availableResource.getUnits(),
requiredResource.getValue());
if (requiredResourceValue != 0) {
long tmp = availableResource.getValue() / requiredResourceValue;
min = min < tmp ? min : tmp;
}
}
return min > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) min;
}
@ -216,23 +193,16 @@ public class DominantResourceCalculator extends ResourceCalculator {
@Override
public float ratio(Resource a, Resource b) {
float ratio = 0.0f;
for (String resource : resourceNames) {
try {
ResourceInformation aResourceInformation =
a.getResourceInformation(resource);
ResourceInformation bResourceInformation =
b.getResourceInformation(resource);
long bResourceValue = UnitsConversionUtil
.convert(bResourceInformation.getUnits(),
aResourceInformation.getUnits(),
bResourceInformation.getValue());
float tmp =
(float) aResourceInformation.getValue() / (float) bResourceValue;
ratio = ratio > tmp ? ratio : tmp;
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + resource, ye);
}
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation aResourceInformation = a.getResourceInformation(i);
ResourceInformation bResourceInformation = b.getResourceInformation(i);
long bResourceValue = UnitsConversionUtil.convert(
bResourceInformation.getUnits(), aResourceInformation.getUnits(),
bResourceInformation.getValue());
float tmp = (float) aResourceInformation.getValue()
/ (float) bResourceValue;
ratio = ratio > tmp ? ratio : tmp;
}
return ratio;
}
@ -244,16 +214,11 @@ public class DominantResourceCalculator extends ResourceCalculator {
public Resource divideAndCeil(Resource numerator, long denominator) {
Resource ret = Resource.newInstance(numerator);
for (String resource : resourceNames) {
try {
ResourceInformation resourceInformation =
ret.getResourceInformation(resource);
resourceInformation.setValue(
divideAndCeil(resourceInformation.getValue(), denominator));
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + resource, ye);
}
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation resourceInformation = ret.getResourceInformation(i);
resourceInformation
.setValue(divideAndCeil(resourceInformation.getValue(), denominator));
}
return ret;
}
@ -270,41 +235,36 @@ public class DominantResourceCalculator extends ResourceCalculator {
public Resource normalize(Resource r, Resource minimumResource,
Resource maximumResource, Resource stepFactor) {
Resource ret = Resource.newInstance(r);
for (String resource : resourceNames) {
try {
ResourceInformation rResourceInformation =
r.getResourceInformation(resource);
ResourceInformation minimumResourceInformation =
minimumResource.getResourceInformation(resource);
ResourceInformation maximumResourceInformation =
maximumResource.getResourceInformation(resource);
ResourceInformation stepFactorResourceInformation =
stepFactor.getResourceInformation(resource);
ResourceInformation tmp = ret.getResourceInformation(resource);
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation rResourceInformation = r.getResourceInformation(i);
ResourceInformation minimumResourceInformation = minimumResource
.getResourceInformation(i);
ResourceInformation maximumResourceInformation = maximumResource
.getResourceInformation(i);
ResourceInformation stepFactorResourceInformation = stepFactor
.getResourceInformation(i);
ResourceInformation tmp = ret.getResourceInformation(i);
long rValue = rResourceInformation.getValue();
long minimumValue = UnitsConversionUtil
.convert(minimumResourceInformation.getUnits(),
rResourceInformation.getUnits(),
minimumResourceInformation.getValue());
long maximumValue = UnitsConversionUtil
.convert(maximumResourceInformation.getUnits(),
rResourceInformation.getUnits(),
maximumResourceInformation.getValue());
long stepFactorValue = UnitsConversionUtil
.convert(stepFactorResourceInformation.getUnits(),
rResourceInformation.getUnits(),
stepFactorResourceInformation.getValue());
long value = Math.max(rValue, minimumValue);
if (stepFactorValue != 0) {
value = roundUp(value, stepFactorValue);
}
tmp.setValue(Math.min(value, maximumValue));
ret.setResourceInformation(resource, tmp);
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + resource, ye);
long rValue = rResourceInformation.getValue();
long minimumValue = UnitsConversionUtil.convert(
minimumResourceInformation.getUnits(),
rResourceInformation.getUnits(),
minimumResourceInformation.getValue());
long maximumValue = UnitsConversionUtil.convert(
maximumResourceInformation.getUnits(),
rResourceInformation.getUnits(),
maximumResourceInformation.getValue());
long stepFactorValue = UnitsConversionUtil.convert(
stepFactorResourceInformation.getUnits(),
rResourceInformation.getUnits(),
stepFactorResourceInformation.getValue());
long value = Math.max(rValue, minimumValue);
if (stepFactorValue != 0) {
value = roundUp(value, stepFactorValue);
}
tmp.setValue(Math.min(value, maximumValue));
ret.setResourceInformation(i, tmp);
}
return ret;
}
@ -321,30 +281,26 @@ public class DominantResourceCalculator extends ResourceCalculator {
private Resource rounding(Resource r, Resource stepFactor, boolean roundUp) {
Resource ret = Resource.newInstance(r);
for (String resource : resourceNames) {
try {
ResourceInformation rResourceInformation =
r.getResourceInformation(resource);
ResourceInformation stepFactorResourceInformation =
stepFactor.getResourceInformation(resource);
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation rResourceInformation = r.getResourceInformation(i);
ResourceInformation stepFactorResourceInformation = stepFactor
.getResourceInformation(i);
long rValue = rResourceInformation.getValue();
long stepFactorValue = UnitsConversionUtil
.convert(stepFactorResourceInformation.getUnits(),
rResourceInformation.getUnits(),
stepFactorResourceInformation.getValue());
long value = rValue;
if (stepFactorValue != 0) {
value = roundUp ? roundUp(rValue, stepFactorValue) :
roundDown(rValue, stepFactorValue);
}
ResourceInformation
.copy(rResourceInformation, ret.getResourceInformation(resource));
ret.getResourceInformation(resource).setValue(value);
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + resource, ye);
long rValue = rResourceInformation.getValue();
long stepFactorValue = UnitsConversionUtil.convert(
stepFactorResourceInformation.getUnits(),
rResourceInformation.getUnits(),
stepFactorResourceInformation.getValue());
long value = rValue;
if (stepFactorValue != 0) {
value = roundUp
? roundUp(rValue, stepFactorValue)
: roundDown(rValue, stepFactorValue);
}
ResourceInformation.copy(rResourceInformation,
ret.getResourceInformation(i));
ret.getResourceInformation(i).setValue(value);
}
return ret;
}
@ -364,54 +320,43 @@ public class DominantResourceCalculator extends ResourceCalculator {
private Resource multiplyAndNormalize(Resource r, double by,
Resource stepFactor, boolean roundUp) {
Resource ret = Resource.newInstance(r);
for (String resource : resourceNames) {
try {
ResourceInformation rResourceInformation = r
.getResourceInformation(resource);
ResourceInformation stepFactorResourceInformation = stepFactor
.getResourceInformation(resource);
ResourceInformation tmp = ret.getResourceInformation(resource);
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation rResourceInformation = r.getResourceInformation(i);
ResourceInformation stepFactorResourceInformation = stepFactor
.getResourceInformation(i);
ResourceInformation tmp = ret.getResourceInformation(i);
long rValue = rResourceInformation.getValue();
long stepFactorValue = UnitsConversionUtil.convert(
stepFactorResourceInformation.getUnits(),
rResourceInformation.getUnits(),
stepFactorResourceInformation.getValue());
long value;
if (stepFactorValue != 0) {
value = roundUp
? roundUp((long) Math.ceil(rValue * by), stepFactorValue)
: roundDown((long) (rValue * by), stepFactorValue);
} else {
value = roundUp
? (long) Math.ceil(rValue * by)
: (long) (rValue * by);
}
tmp.setValue(value);
} catch (ResourceNotFoundException ye) {
throw new IllegalArgumentException(
"Error getting resource information for " + resource, ye);
long rValue = rResourceInformation.getValue();
long stepFactorValue = UnitsConversionUtil.convert(
stepFactorResourceInformation.getUnits(),
rResourceInformation.getUnits(),
stepFactorResourceInformation.getValue());
long value;
if (stepFactorValue != 0) {
value = roundUp
? roundUp((long) Math.ceil(rValue * by), stepFactorValue)
: roundDown((long) (rValue * by), stepFactorValue);
} else {
value = roundUp ? (long) Math.ceil(rValue * by) : (long) (rValue * by);
}
tmp.setValue(value);
}
return ret;
}
@Override
public boolean fitsIn(Resource cluster, Resource smaller, Resource bigger) {
for (String resource : resourceNames) {
try {
ResourceInformation sResourceInformation =
smaller.getResourceInformation(resource);
ResourceInformation bResourceInformation =
bigger.getResourceInformation(resource);
long sResourceValue = UnitsConversionUtil
.convert(sResourceInformation.getUnits(),
bResourceInformation.getUnits(),
sResourceInformation.getValue());
if(sResourceValue > bResourceInformation.getValue()) {
return false;
}
} catch (ResourceNotFoundException ye) {
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
ResourceInformation sResourceInformation = smaller
.getResourceInformation(i);
ResourceInformation bResourceInformation = bigger
.getResourceInformation(i);
long sResourceValue = UnitsConversionUtil.convert(
sResourceInformation.getUnits(), bResourceInformation.getUnits(),
sResourceInformation.getValue());
if (sResourceValue > bResourceInformation.getValue()) {
return false;
}
}

98
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java
View File

@ -173,17 +173,17 @@ public class Resources {
}
public static Resource addTo(Resource lhs, Resource rhs) {
for (ResourceInformation entry : lhs.getResources()) {
String name = entry.getName();
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation rhsValue = rhs.getResourceInformation(name);
ResourceInformation lhsValue = entry;
ResourceInformation rhsValue = rhs.getResourceInformation(i);
ResourceInformation lhsValue = lhs.getResourceInformation(i);
long convertedRhs = (rhsValue.getUnits().equals(lhsValue.getUnits()))
? rhsValue.getValue()
: UnitsConversionUtil.convert(rhsValue.getUnits(),
lhsValue.getUnits(), rhsValue.getValue());
lhs.setResourceValue(name, lhsValue.getValue() + convertedRhs);
lhs.setResourceValue(i, lhsValue.getValue() + convertedRhs);
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
continue;
@ -197,17 +197,17 @@ public class Resources {
}
public static Resource subtractFrom(Resource lhs, Resource rhs) {
for (ResourceInformation entry : lhs.getResources()) {
String name = entry.getName();
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation rhsValue = rhs.getResourceInformation(name);
ResourceInformation lhsValue = entry;
ResourceInformation rhsValue = rhs.getResourceInformation(i);
ResourceInformation lhsValue = lhs.getResourceInformation(i);
long convertedRhs = (rhsValue.getUnits().equals(lhsValue.getUnits()))
? rhsValue.getValue()
: UnitsConversionUtil.convert(rhsValue.getUnits(),
lhsValue.getUnits(), rhsValue.getValue());
lhs.setResourceValue(name, lhsValue.getValue() - convertedRhs);
lhs.setResourceValue(i, lhsValue.getValue() - convertedRhs);
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
continue;
@ -243,10 +243,15 @@ public class Resources {
}
public static Resource multiplyTo(Resource lhs, double by) {
for (ResourceInformation entry : lhs.getResources()) {
String name = entry.getName();
ResourceInformation lhsValue = entry;
lhs.setResourceValue(name, (long) (lhsValue.getValue() * by));
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation lhsValue = lhs.getResourceInformation(i);
lhs.setResourceValue(i, (long) (lhsValue.getValue() * by));
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
continue;
}
}
return lhs;
}
@ -261,11 +266,11 @@ public class Resources {
*/
public static Resource multiplyAndAddTo(
Resource lhs, Resource rhs, double by) {
for (ResourceInformation entry : lhs.getResources()) {
String name = entry.getName();
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation rhsValue = rhs.getResourceInformation(name);
ResourceInformation lhsValue = entry;
ResourceInformation rhsValue = rhs.getResourceInformation(i);
ResourceInformation lhsValue = lhs.getResourceInformation(i);
long convertedRhs = (long) (((rhsValue.getUnits()
.equals(lhsValue.getUnits()))
@ -273,7 +278,7 @@ public class Resources {
: UnitsConversionUtil.convert(rhsValue.getUnits(),
lhsValue.getUnits(), rhsValue.getValue()))
* by);
lhs.setResourceValue(name, lhsValue.getValue() + convertedRhs);
lhs.setResourceValue(i, lhsValue.getValue() + convertedRhs);
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
continue;
@ -294,10 +299,15 @@ public class Resources {
public static Resource multiplyAndRoundDown(Resource lhs, double by) {
Resource out = clone(lhs);
for (ResourceInformation entry : out.getResources()) {
String name = entry.getName();
ResourceInformation lhsValue = entry;
out.setResourceValue(name, (long) (lhsValue.getValue() * by));
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation lhsValue = lhs.getResourceInformation(i);
out.setResourceValue(i, (long) (lhsValue.getValue() * by));
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
continue;
}
}
return out;
}
@ -398,22 +408,22 @@ public class Resources {
}
public static boolean fitsIn(Resource smaller, Resource bigger) {
for (ResourceInformation entry : smaller.getResources()) {
String name = entry.getName();
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation rhsValue = bigger.getResourceInformation(name);
ResourceInformation lhsValue = entry;
ResourceInformation rhsValue = bigger.getResourceInformation(i);
ResourceInformation lhsValue = smaller.getResourceInformation(i);
long convertedRhs = (rhsValue.getUnits().equals(lhsValue.getUnits()))
? rhsValue.getValue()
: UnitsConversionUtil.convert(rhsValue.getUnits(),
lhsValue.getUnits(), rhsValue.getValue());
if(lhsValue.getValue() > convertedRhs) {
if (lhsValue.getValue() > convertedRhs) {
return false;
}
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
return false;
continue;
}
}
return true;
@ -426,19 +436,20 @@ public class Resources {
public static Resource componentwiseMin(Resource lhs, Resource rhs) {
Resource ret = createResource(0);
for (ResourceInformation entry : lhs.getResources()) {
String name = entry.getName();
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation rhsValue = rhs.getResourceInformation(name);
ResourceInformation lhsValue = entry;
ResourceInformation rhsValue = rhs.getResourceInformation(i);
ResourceInformation lhsValue = lhs.getResourceInformation(i);
long convertedRhs = (rhsValue.getUnits().equals(lhsValue.getUnits()))
? rhsValue.getValue()
: UnitsConversionUtil.convert(rhsValue.getUnits(),
lhsValue.getUnits(), rhsValue.getValue());
ResourceInformation outInfo =
lhsValue.getValue() < convertedRhs ? lhsValue : rhsValue;
ret.setResourceInformation(name, outInfo);
ResourceInformation outInfo = lhsValue.getValue() < convertedRhs
? lhsValue
: rhsValue;
ret.setResourceInformation(i, outInfo);
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
continue;
@ -449,19 +460,20 @@ public class Resources {
public static Resource componentwiseMax(Resource lhs, Resource rhs) {
Resource ret = createResource(0);
for (ResourceInformation entry : lhs.getResources()) {
String name = entry.getName();
int maxLength = ResourceUtils.getResourceTypesArray().length;
for (int i = 0; i < maxLength; i++) {
try {
ResourceInformation rhsValue = rhs.getResourceInformation(name);
ResourceInformation lhsValue = entry;
ResourceInformation rhsValue = rhs.getResourceInformation(i);
ResourceInformation lhsValue = lhs.getResourceInformation(i);
long convertedRhs = (rhsValue.getUnits().equals(lhsValue.getUnits()))
? rhsValue.getValue()
: UnitsConversionUtil.convert(rhsValue.getUnits(),
lhsValue.getUnits(), rhsValue.getValue());
ResourceInformation outInfo =
lhsValue.getValue() > convertedRhs ? lhsValue : rhsValue;
ret.setResourceInformation(name, outInfo);
ResourceInformation outInfo = lhsValue.getValue() > convertedRhs
? lhsValue
: rhsValue;
ret.setResourceInformation(i, outInfo);
} catch (ResourceNotFoundException ye) {
LOG.warn("Resource is missing:" + ye.getMessage());
continue;