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/*******************************************************************************
* Copyright (c) 2013 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.cache.admin;
import java.util.concurrent.TimeUnit;
import org.eclipse.osee.framework.jdk.core.type.Pair;
/**
* @author John Misinco
* @author Roberto E. Escobar
*/
public class CacheConfiguration {
private static final int DEFAULT_UNSET = -1;
private static final Pair<Long, TimeUnit> UNSET_EXPIRATION = new Pair<>(-1L, TimeUnit.NANOSECONDS);
private int initialCapacity = DEFAULT_UNSET;
private long maxSize = DEFAULT_UNSET;
private Pair<Long, TimeUnit> expireAfterAccess = UNSET_EXPIRATION;
private Pair<Long, TimeUnit> expireAfterWrite = UNSET_EXPIRATION;
private Pair<Long, TimeUnit> refreshAfterWrite = UNSET_EXPIRATION;
private CacheConfiguration() {
//
}
public static CacheConfiguration newConfiguration() {
return new CacheConfiguration();
}
public boolean hasInitialCapacity() {
return initialCapacity >= 0;
}
public void setInitialCapacity(int initialCapacity) {
this.initialCapacity = initialCapacity;
}
public boolean hasMaximumSize() {
return maxSize >= 0;
}
public void setMaximumSize(long maxSize) {
this.maxSize = maxSize;
}
public boolean isExpireAfterAccess() {
return !UNSET_EXPIRATION.equals(expireAfterAccess);
}
public void setExpireAfterAccess(long duration, TimeUnit timeUnit) {
this.expireAfterAccess = new Pair<>(duration, timeUnit);
}
public boolean isExpireAfterWrite() {
return !UNSET_EXPIRATION.equals(expireAfterWrite);
}
public void setExpireAfterWrite(long duration, TimeUnit timeUnit) {
this.expireAfterWrite = new Pair<>(duration, timeUnit);
}
public boolean isRefreshAfterWrite() {
return !UNSET_EXPIRATION.equals(refreshAfterWrite);
}
public void setRefreshAfterWrite(long duration, TimeUnit timeUnit) {
this.refreshAfterWrite = new Pair<>(duration, timeUnit);
}
public int getInitialCapacity() {
return initialCapacity;
}
public long getMaximumSize() {
return maxSize;
}
public Pair<Long, TimeUnit> getExpireAfterAccess() {
return expireAfterAccess;
}
public Pair<Long, TimeUnit> getExpireAfterWrite() {
return expireAfterWrite;
}
public Pair<Long, TimeUnit> getRefreshAfterWrite() {
return refreshAfterWrite;
}
}
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