/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.adminapi.impl;
import java.lang.reflect.Type;
import org.jboss.metatype.api.types.CompositeMetaType;
import org.jboss.metatype.api.types.MetaType;
import org.jboss.metatype.api.types.SimpleMetaType;
import org.jboss.metatype.api.values.CompositeValue;
import org.jboss.metatype.api.values.CompositeValueSupport;
import org.jboss.metatype.api.values.MetaValue;
import org.jboss.metatype.api.values.MetaValueFactory;
import org.jboss.metatype.api.values.SimpleValueSupport;
import org.jboss.metatype.plugins.types.MutableCompositeMetaType;
import org.jboss.metatype.spi.values.MetaMapper;
public class CacheStatisticsMetadataMapper extends MetaMapper<CacheStatisticsMetadata> {
private static final String HITRATIO = "hitRatio"; //$NON-NLS-1$
private static final String TOTAL_ENTRIES = "totalEntries"; //$NON-NLS-1$
private static final String REQUEST_COUNT = "requestCount"; //$NON-NLS-1$
private static final MetaValueFactory metaValueFactory = MetaValueFactory.getInstance();
private static final MutableCompositeMetaType metaType;
static {
metaType = new MutableCompositeMetaType(CacheStatisticsMetadata.class.getName(), "The Cache statistics"); //$NON-NLS-1$
metaType.addItem(TOTAL_ENTRIES, TOTAL_ENTRIES, SimpleMetaType.INTEGER_PRIMITIVE);
metaType.addItem(HITRATIO, HITRATIO, SimpleMetaType.DOUBLE_PRIMITIVE);
metaType.addItem(REQUEST_COUNT, REQUEST_COUNT, SimpleMetaType.INTEGER_PRIMITIVE);
metaType.freeze();
}
@Override
public Type mapToType() {
return CacheStatisticsMetadata.class;
}
@Override
public MetaType getMetaType() {
return metaType;
}
@Override
public MetaValue createMetaValue(MetaType metaType, CacheStatisticsMetadata object) {
if (object == null)
return null;
if (metaType instanceof CompositeMetaType) {
CompositeMetaType composite = (CompositeMetaType) metaType;
CompositeValueSupport cache = new CompositeValueSupport(composite);
cache.set(TOTAL_ENTRIES, SimpleValueSupport.wrap(object.getTotalEntries()));
cache.set(HITRATIO, SimpleValueSupport.wrap(object.getHitRatio()));
cache.set(REQUEST_COUNT, SimpleValueSupport.wrap(object.getRequestCount()));
return cache;
}
throw new IllegalArgumentException("Cannot convert cache statistics " + object); //$NON-NLS-1$
}
@Override
public CacheStatisticsMetadata unwrapMetaValue(MetaValue metaValue) {
if (metaValue == null)
return null;
if (metaValue instanceof CompositeValue) {
CompositeValue compositeValue = (CompositeValue) metaValue;
CacheStatisticsMetadata cache = new CacheStatisticsMetadata();
cache.setTotalEntries((Integer) metaValueFactory.unwrap(compositeValue.get(TOTAL_ENTRIES)));
cache.setHitRatio((Double) metaValueFactory.unwrap(compositeValue.get(HITRATIO)));
cache.setRequestCount((Integer) metaValueFactory.unwrap(compositeValue.get(REQUEST_COUNT)));
return cache;
}
throw new IllegalStateException("Unable to unwrap cache statistics " + metaValue); //$NON-NLS-1$
}
}