/**
* Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.component.factory.util;
import java.util.LinkedHashMap;
import java.util.Map;
import org.joda.beans.Bean;
import org.joda.beans.BeanBuilder;
import org.joda.beans.BeanDefinition;
import org.joda.beans.JodaBeanUtils;
import org.joda.beans.MetaProperty;
import org.joda.beans.Property;
import org.joda.beans.PropertyDefinition;
import org.joda.beans.impl.direct.DirectBeanBuilder;
import org.joda.beans.impl.direct.DirectMetaProperty;
import org.joda.beans.impl.direct.DirectMetaPropertyMap;
import com.opengamma.component.ComponentRepository;
import com.opengamma.component.factory.AbstractComponentFactory;
import com.opengamma.util.PoolExecutor;
/**
* A component factory for {@link PoolExecutor}.
* Pool size can be controlled through either the {@code loadFactor} or
* {@code maxThreads} properties. If neither is specified, a pool that has one
* thread for each core (as presented to the JVM) is created.
*/
@BeanDefinition
public class PoolExecutorComponentFactory extends AbstractComponentFactory {
/**
* The classifier under which to publish.
*/
@PropertyDefinition(validate = "notEmpty")
private String _classifier;
/**
* The name for the pool (used in logging and thread naming).
*/
@PropertyDefinition(validate = "notEmpty")
private String _poolName;
/**
* The load factor to use for pool sizing; may be null.
*/
@PropertyDefinition
private Double _loadFactor;
/**
* The maximum number of threads to contruct; may be null.
*/
@PropertyDefinition
private Integer _maxThreads;
@Override
public void init(ComponentRepository repo, LinkedHashMap<String, String> configuration) throws Exception {
PoolExecutor executor = new PoolExecutor(determineMaxThreads(), getPoolName());
repo.registerComponent(PoolExecutor.class, getClassifier(), executor);
}
protected int determineMaxThreads() {
if ((getLoadFactor() != null) && (getMaxThreads() != null)) {
throw new IllegalStateException("Cannot specify both loadFactor and maxThreads properties.");
}
if (getMaxThreads() != null) {
return getMaxThreads();
}
int physicalCores = Runtime.getRuntime().availableProcessors();
if (getLoadFactor() != null) {
if (getLoadFactor() <= 0.0) {
throw new IllegalArgumentException("loadFactor cannot be 0 or negative.");
}
double scaledCores = Math.ceil(getLoadFactor() * physicalCores);
physicalCores = (int) scaledCores;
}
physicalCores = Math.max(physicalCores, 1);
return physicalCores;
}
//------------------------- AUTOGENERATED START -------------------------
///CLOVER:OFF
/**
* The meta-bean for {@code PoolExecutorComponentFactory}.
* @return the meta-bean, not null
*/
public static PoolExecutorComponentFactory.Meta meta() {
return PoolExecutorComponentFactory.Meta.INSTANCE;
}
static {
JodaBeanUtils.registerMetaBean(PoolExecutorComponentFactory.Meta.INSTANCE);
}
@Override
public PoolExecutorComponentFactory.Meta metaBean() {
return PoolExecutorComponentFactory.Meta.INSTANCE;
}
//-----------------------------------------------------------------------
/**
* Gets the classifier under which to publish.
* @return the value of the property, not empty
*/
public String getClassifier() {
return _classifier;
}
/**
* Sets the classifier under which to publish.
* @param classifier the new value of the property, not empty
*/
public void setClassifier(String classifier) {
JodaBeanUtils.notEmpty(classifier, "classifier");
this._classifier = classifier;
}
/**
* Gets the the {@code classifier} property.
* @return the property, not null
*/
public final Property<String> classifier() {
return metaBean().classifier().createProperty(this);
}
//-----------------------------------------------------------------------
/**
* Gets the name for the pool (used in logging and thread naming).
* @return the value of the property, not empty
*/
public String getPoolName() {
return _poolName;
}
/**
* Sets the name for the pool (used in logging and thread naming).
* @param poolName the new value of the property, not empty
*/
public void setPoolName(String poolName) {
JodaBeanUtils.notEmpty(poolName, "poolName");
this._poolName = poolName;
}
/**
* Gets the the {@code poolName} property.
* @return the property, not null
*/
public final Property<String> poolName() {
return metaBean().poolName().createProperty(this);
}
//-----------------------------------------------------------------------
/**
* Gets the load factor to use for pool sizing; may be null.
* @return the value of the property
*/
public Double getLoadFactor() {
return _loadFactor;
}
/**
* Sets the load factor to use for pool sizing; may be null.
* @param loadFactor the new value of the property
*/
public void setLoadFactor(Double loadFactor) {
this._loadFactor = loadFactor;
}
/**
* Gets the the {@code loadFactor} property.
* @return the property, not null
*/
public final Property<Double> loadFactor() {
return metaBean().loadFactor().createProperty(this);
}
//-----------------------------------------------------------------------
/**
* Gets the maximum number of threads to contruct; may be null.
* @return the value of the property
*/
public Integer getMaxThreads() {
return _maxThreads;
}
/**
* Sets the maximum number of threads to contruct; may be null.
* @param maxThreads the new value of the property
*/
public void setMaxThreads(Integer maxThreads) {
this._maxThreads = maxThreads;
}
/**
* Gets the the {@code maxThreads} property.
* @return the property, not null
*/
public final Property<Integer> maxThreads() {
return metaBean().maxThreads().createProperty(this);
}
//-----------------------------------------------------------------------
@Override
public PoolExecutorComponentFactory clone() {
return JodaBeanUtils.cloneAlways(this);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj != null && obj.getClass() == this.getClass()) {
PoolExecutorComponentFactory other = (PoolExecutorComponentFactory) obj;
return JodaBeanUtils.equal(getClassifier(), other.getClassifier()) &&
JodaBeanUtils.equal(getPoolName(), other.getPoolName()) &&
JodaBeanUtils.equal(getLoadFactor(), other.getLoadFactor()) &&
JodaBeanUtils.equal(getMaxThreads(), other.getMaxThreads()) &&
super.equals(obj);
}
return false;
}
@Override
public int hashCode() {
int hash = 7;
hash = hash * 31 + JodaBeanUtils.hashCode(getClassifier());
hash = hash * 31 + JodaBeanUtils.hashCode(getPoolName());
hash = hash * 31 + JodaBeanUtils.hashCode(getLoadFactor());
hash = hash * 31 + JodaBeanUtils.hashCode(getMaxThreads());
return hash ^ super.hashCode();
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder(160);
buf.append("PoolExecutorComponentFactory{");
int len = buf.length();
toString(buf);
if (buf.length() > len) {
buf.setLength(buf.length() - 2);
}
buf.append('}');
return buf.toString();
}
@Override
protected void toString(StringBuilder buf) {
super.toString(buf);
buf.append("classifier").append('=').append(JodaBeanUtils.toString(getClassifier())).append(',').append(' ');
buf.append("poolName").append('=').append(JodaBeanUtils.toString(getPoolName())).append(',').append(' ');
buf.append("loadFactor").append('=').append(JodaBeanUtils.toString(getLoadFactor())).append(',').append(' ');
buf.append("maxThreads").append('=').append(JodaBeanUtils.toString(getMaxThreads())).append(',').append(' ');
}
//-----------------------------------------------------------------------
/**
* The meta-bean for {@code PoolExecutorComponentFactory}.
*/
public static class Meta extends AbstractComponentFactory.Meta {
/**
* The singleton instance of the meta-bean.
*/
static final Meta INSTANCE = new Meta();
/**
* The meta-property for the {@code classifier} property.
*/
private final MetaProperty<String> _classifier = DirectMetaProperty.ofReadWrite(
this, "classifier", PoolExecutorComponentFactory.class, String.class);
/**
* The meta-property for the {@code poolName} property.
*/
private final MetaProperty<String> _poolName = DirectMetaProperty.ofReadWrite(
this, "poolName", PoolExecutorComponentFactory.class, String.class);
/**
* The meta-property for the {@code loadFactor} property.
*/
private final MetaProperty<Double> _loadFactor = DirectMetaProperty.ofReadWrite(
this, "loadFactor", PoolExecutorComponentFactory.class, Double.class);
/**
* The meta-property for the {@code maxThreads} property.
*/
private final MetaProperty<Integer> _maxThreads = DirectMetaProperty.ofReadWrite(
this, "maxThreads", PoolExecutorComponentFactory.class, Integer.class);
/**
* The meta-properties.
*/
private final Map<String, MetaProperty<?>> _metaPropertyMap$ = new DirectMetaPropertyMap(
this, (DirectMetaPropertyMap) super.metaPropertyMap(),
"classifier",
"poolName",
"loadFactor",
"maxThreads");
/**
* Restricted constructor.
*/
protected Meta() {
}
@Override
protected MetaProperty<?> metaPropertyGet(String propertyName) {
switch (propertyName.hashCode()) {
case -281470431: // classifier
return _classifier;
case 634919111: // poolName
return _poolName;
case -605952555: // loadFactor
return _loadFactor;
case -164000347: // maxThreads
return _maxThreads;
}
return super.metaPropertyGet(propertyName);
}
@Override
public BeanBuilder<? extends PoolExecutorComponentFactory> builder() {
return new DirectBeanBuilder<PoolExecutorComponentFactory>(new PoolExecutorComponentFactory());
}
@Override
public Class<? extends PoolExecutorComponentFactory> beanType() {
return PoolExecutorComponentFactory.class;
}
@Override
public Map<String, MetaProperty<?>> metaPropertyMap() {
return _metaPropertyMap$;
}
//-----------------------------------------------------------------------
/**
* The meta-property for the {@code classifier} property.
* @return the meta-property, not null
*/
public final MetaProperty<String> classifier() {
return _classifier;
}
/**
* The meta-property for the {@code poolName} property.
* @return the meta-property, not null
*/
public final MetaProperty<String> poolName() {
return _poolName;
}
/**
* The meta-property for the {@code loadFactor} property.
* @return the meta-property, not null
*/
public final MetaProperty<Double> loadFactor() {
return _loadFactor;
}
/**
* The meta-property for the {@code maxThreads} property.
* @return the meta-property, not null
*/
public final MetaProperty<Integer> maxThreads() {
return _maxThreads;
}
//-----------------------------------------------------------------------
@Override
protected Object propertyGet(Bean bean, String propertyName, boolean quiet) {
switch (propertyName.hashCode()) {
case -281470431: // classifier
return ((PoolExecutorComponentFactory) bean).getClassifier();
case 634919111: // poolName
return ((PoolExecutorComponentFactory) bean).getPoolName();
case -605952555: // loadFactor
return ((PoolExecutorComponentFactory) bean).getLoadFactor();
case -164000347: // maxThreads
return ((PoolExecutorComponentFactory) bean).getMaxThreads();
}
return super.propertyGet(bean, propertyName, quiet);
}
@Override
protected void propertySet(Bean bean, String propertyName, Object newValue, boolean quiet) {
switch (propertyName.hashCode()) {
case -281470431: // classifier
((PoolExecutorComponentFactory) bean).setClassifier((String) newValue);
return;
case 634919111: // poolName
((PoolExecutorComponentFactory) bean).setPoolName((String) newValue);
return;
case -605952555: // loadFactor
((PoolExecutorComponentFactory) bean).setLoadFactor((Double) newValue);
return;
case -164000347: // maxThreads
((PoolExecutorComponentFactory) bean).setMaxThreads((Integer) newValue);
return;
}
super.propertySet(bean, propertyName, newValue, quiet);
}
@Override
protected void validate(Bean bean) {
JodaBeanUtils.notEmpty(((PoolExecutorComponentFactory) bean)._classifier, "classifier");
JodaBeanUtils.notEmpty(((PoolExecutorComponentFactory) bean)._poolName, "poolName");
super.validate(bean);
}
}
///CLOVER:ON
//-------------------------- AUTOGENERATED END --------------------------
}