org.wildfly.swarm.config.modcluster.proxy.DynamicLoadProvider Maven / Gradle / Ivy
package org.wildfly.swarm.config.modcluster.proxy;
import org.wildfly.swarm.config.runtime.AttributeDocumentation;
import org.wildfly.swarm.config.runtime.ResourceDocumentation;
import org.wildfly.swarm.config.runtime.SingletonResource;
import org.wildfly.swarm.config.runtime.Address;
import org.wildfly.swarm.config.runtime.ResourceType;
import org.wildfly.swarm.config.runtime.Implicit;
import java.beans.PropertyChangeSupport;
import java.beans.PropertyChangeListener;
import java.util.List;
import org.wildfly.swarm.config.runtime.Subresource;
import org.wildfly.swarm.config.modcluster.proxy.load_provider.LoadMetricConsumer;
import org.wildfly.swarm.config.modcluster.proxy.load_provider.LoadMetricSupplier;
import org.wildfly.swarm.config.modcluster.proxy.load_provider.LoadMetric;
import org.wildfly.swarm.config.runtime.SubresourceInfo;
import org.wildfly.swarm.config.modcluster.proxy.load_provider.CustomLoadMetricConsumer;
import org.wildfly.swarm.config.modcluster.proxy.load_provider.CustomLoadMetricSupplier;
import org.wildfly.swarm.config.modcluster.proxy.load_provider.CustomLoadMetric;
import org.wildfly.swarm.config.runtime.ModelNodeBinding;
/**
* Configuration and runtime operations for mod_cluster subsystem.
*/
@Address("/subsystem=modcluster/proxy=*/load-provider=dynamic")
@ResourceType("load-provider")
@Implicit
public class DynamicLoadProvider>
implements
org.wildfly.swarm.config.runtime.Keyed {
private String key;
private PropertyChangeSupport pcs;
private DynamicLoadProviderResources subresources = new DynamicLoadProviderResources();
@AttributeDocumentation("The factor by which a historic load values should degrade in significance.")
private Double decay;
@AttributeDocumentation("The number of historic (previous) load values to consider in the load balance factor computation.")
private Integer history;
@AttributeDocumentation("Initial load within the range [0..100] with which to prepopulate historical values. Used to gradually drive load to the node. Value of 0 prepopulates with full load and value of -1 disables this behavior.")
private Integer initialLoad;
public DynamicLoadProvider() {
super();
this.key = "dynamic";
this.pcs = new PropertyChangeSupport(this);
}
public String getKey() {
return this.key;
}
/**
* Adds a property change listener
*/
public void addPropertyChangeListener(PropertyChangeListener listener) {
if (null == this.pcs)
this.pcs = new PropertyChangeSupport(this);
this.pcs.addPropertyChangeListener(listener);
}
/**
* Removes a property change listener
*/
public void removePropertyChangeListener(
java.beans.PropertyChangeListener listener) {
if (this.pcs != null)
this.pcs.removePropertyChangeListener(listener);
}
public DynamicLoadProviderResources subresources() {
return this.subresources;
}
/**
* Add all LoadMetric objects to this subresource
*
* @return this
* @param value
* List of LoadMetric objects.
*/
@SuppressWarnings("unchecked")
public T loadMetrics(java.util.List value) {
this.subresources.loadMetrics = value;
return (T) this;
}
/**
* Add the LoadMetric object to the list of subresources
*
* @param value
* The LoadMetric to add
* @return this
*/
@SuppressWarnings("unchecked")
public T loadMetric(LoadMetric value) {
this.subresources.loadMetrics.add(value);
return (T) this;
}
/**
* Create and configure a LoadMetric object to the list of subresources
*
* @param key
* The key for the LoadMetric resource
* @param config
* The LoadMetricConsumer to use
* @return this
*/
@SuppressWarnings("unchecked")
public T loadMetric(java.lang.String childKey, LoadMetricConsumer consumer) {
LoadMetric child = new LoadMetric<>(childKey);
if (consumer != null) {
consumer.accept(child);
}
loadMetric(child);
return (T) this;
}
/**
* Create and configure a LoadMetric object to the list of subresources
*
* @param key
* The key for the LoadMetric resource
* @return this
*/
@SuppressWarnings("unchecked")
public T loadMetric(java.lang.String childKey) {
loadMetric(childKey, null);
return (T) this;
}
/**
* Install a supplied LoadMetric object to the list of subresources
*/
@SuppressWarnings("unchecked")
public T loadMetric(LoadMetricSupplier supplier) {
loadMetric(supplier.get());
return (T) this;
}
/**
* Add all CustomLoadMetric objects to this subresource
*
* @return this
* @param value
* List of CustomLoadMetric objects.
*/
@SuppressWarnings("unchecked")
public T customLoadMetrics(java.util.List value) {
this.subresources.customLoadMetrics = value;
return (T) this;
}
/**
* Add the CustomLoadMetric object to the list of subresources
*
* @param value
* The CustomLoadMetric to add
* @return this
*/
@SuppressWarnings("unchecked")
public T customLoadMetric(CustomLoadMetric value) {
this.subresources.customLoadMetrics.add(value);
return (T) this;
}
/**
* Create and configure a CustomLoadMetric object to the list of
* subresources
*
* @param key
* The key for the CustomLoadMetric resource
* @param config
* The CustomLoadMetricConsumer to use
* @return this
*/
@SuppressWarnings("unchecked")
public T customLoadMetric(java.lang.String childKey,
CustomLoadMetricConsumer consumer) {
CustomLoadMetric child = new CustomLoadMetric<>(
childKey);
if (consumer != null) {
consumer.accept(child);
}
customLoadMetric(child);
return (T) this;
}
/**
* Create and configure a CustomLoadMetric object to the list of
* subresources
*
* @param key
* The key for the CustomLoadMetric resource
* @return this
*/
@SuppressWarnings("unchecked")
public T customLoadMetric(java.lang.String childKey) {
customLoadMetric(childKey, null);
return (T) this;
}
/**
* Install a supplied CustomLoadMetric object to the list of subresources
*/
@SuppressWarnings("unchecked")
public T customLoadMetric(CustomLoadMetricSupplier supplier) {
customLoadMetric(supplier.get());
return (T) this;
}
/**
* Child mutators for DynamicLoadProvider
*/
public static class DynamicLoadProviderResources {
/**
* Built-in load metric contributing a value to the overall load factor
* of a node. The load factors from each metric are aggregated according
* to their weights.
*/
@ResourceDocumentation("Built-in load metric contributing a value to the overall load factor of a node. The load factors from each metric are aggregated according to their weights.")
@SubresourceInfo("loadMetric")
private List loadMetrics = new java.util.ArrayList<>();
/**
* Built-in load metric contributing a value to the overall load factor
* of a node. The load factors from each metric are aggregated according
* to their weights.
*/
@ResourceDocumentation("Built-in load metric contributing a value to the overall load factor of a node. The load factors from each metric are aggregated according to their weights.")
@SubresourceInfo("customLoadMetric")
private List customLoadMetrics = new java.util.ArrayList<>();
/**
* Get the list of LoadMetric resources
*
* @return the list of resources
*/
@Subresource
public List loadMetrics() {
return this.loadMetrics;
}
public LoadMetric loadMetric(java.lang.String key) {
return this.loadMetrics.stream()
.filter(e -> e.getKey().equals(key)).findFirst()
.orElse(null);
}
/**
* Get the list of CustomLoadMetric resources
*
* @return the list of resources
*/
@Subresource
public List customLoadMetrics() {
return this.customLoadMetrics;
}
public CustomLoadMetric customLoadMetric(java.lang.String key) {
return this.customLoadMetrics.stream()
.filter(e -> e.getKey().equals(key)).findFirst()
.orElse(null);
}
}
/**
* The factor by which a historic load values should degrade in
* significance.
*/
@ModelNodeBinding(detypedName = "decay")
public Double decay() {
return this.decay;
}
/**
* The factor by which a historic load values should degrade in
* significance.
*/
@SuppressWarnings("unchecked")
public T decay(java.lang.Double value) {
Object oldValue = this.decay;
this.decay = value;
if (this.pcs != null)
this.pcs.firePropertyChange("decay", oldValue, value);
return (T) this;
}
/**
* The number of historic (previous) load values to consider in the load
* balance factor computation.
*/
@ModelNodeBinding(detypedName = "history")
public Integer history() {
return this.history;
}
/**
* The number of historic (previous) load values to consider in the load
* balance factor computation.
*/
@SuppressWarnings("unchecked")
public T history(java.lang.Integer value) {
Object oldValue = this.history;
this.history = value;
if (this.pcs != null)
this.pcs.firePropertyChange("history", oldValue, value);
return (T) this;
}
/**
* Initial load within the range [0..100] with which to prepopulate
* historical values. Used to gradually drive load to the node. Value of 0
* prepopulates with full load and value of -1 disables this behavior.
*/
@ModelNodeBinding(detypedName = "initial-load")
public Integer initialLoad() {
return this.initialLoad;
}
/**
* Initial load within the range [0..100] with which to prepopulate
* historical values. Used to gradually drive load to the node. Value of 0
* prepopulates with full load and value of -1 disables this behavior.
*/
@SuppressWarnings("unchecked")
public T initialLoad(java.lang.Integer value) {
Object oldValue = this.initialLoad;
this.initialLoad = value;
if (this.pcs != null)
this.pcs.firePropertyChange("initialLoad", oldValue, value);
return (T) this;
}
}