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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.persistence;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.Inspector;
import java.util.Optional;
/**
* @author bratseth
*/
public class NodeResourcesSerializer {
private static final String vcpuKey = "vcpu";
private static final String memoryKey = "memory";
private static final String diskKey = "disk";
private static final String bandwidthKey = "bandwidth";
private static final String diskSpeedKey = "diskSpeed";
private static final String storageTypeKey = "storageType";
static void toSlime(NodeResources resources, Cursor resourcesObject) {
resourcesObject.setDouble(vcpuKey, resources.vcpu());
resourcesObject.setDouble(memoryKey, resources.memoryGb());
resourcesObject.setDouble(diskKey, resources.diskGb());
resourcesObject.setDouble(bandwidthKey, resources.bandwidthGbps());
resourcesObject.setString(diskSpeedKey, diskSpeedToString(resources.diskSpeed()));
resourcesObject.setString(storageTypeKey, storageTypeToString(resources.storageType()));
}
static NodeResources resourcesFromSlime(Inspector resources) {
return new NodeResources(resources.field(vcpuKey).asDouble(),
resources.field(memoryKey).asDouble(),
resources.field(diskKey).asDouble(),
resources.field(bandwidthKey).asDouble(),
diskSpeedFromSlime(resources.field(diskSpeedKey)),
storageTypeFromSlime(resources.field(storageTypeKey)));
}
static Optional<NodeResources> optionalResourcesFromSlime(Inspector resources) {
return resources.valid() ? Optional.of(resourcesFromSlime(resources)) : Optional.empty();
}
private static NodeResources.DiskSpeed diskSpeedFromSlime(Inspector diskSpeed) {
switch (diskSpeed.asString()) {
case "fast" : return NodeResources.DiskSpeed.fast;
case "slow" : return NodeResources.DiskSpeed.slow;
case "any" : return NodeResources.DiskSpeed.any;
default: throw new IllegalStateException("Illegal disk-speed value '" + diskSpeed.asString() + "'");
}
}
private static String diskSpeedToString(NodeResources.DiskSpeed diskSpeed) {
switch (diskSpeed) {
case fast : return "fast";
case slow : return "slow";
case any : return "any";
default: throw new IllegalStateException("Illegal disk-speed value '" + diskSpeed + "'");
}
}
private static NodeResources.StorageType storageTypeFromSlime(Inspector storageType) {
if ( ! storageType.valid()) return NodeResources.StorageType.getDefault(); // TODO: Remove this line after December 2019
switch (storageType.asString()) {
case "remote" : return NodeResources.StorageType.remote;
case "local" : return NodeResources.StorageType.local;
case "any" : return NodeResources.StorageType.any;
default: throw new IllegalStateException("Illegal storage-type value '" + storageType.asString() + "'");
}
}
private static String storageTypeToString(NodeResources.StorageType storageType) {
switch (storageType) {
case remote : return "remote";
case local : return "local";
case any : return "any";
default: throw new IllegalStateException("Illegal storage-type value '" + storageType + "'");
}
}
}
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