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Merge pull request wildfly#6433 from rhusar/WFLY-3485_modcluster_tran…
…sformers [WFLY-3485] Refactor mod_cluster transformers and move transformations to its resources
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...xtension/src/main/java/org/wildfly/extension/mod_cluster/CapacityCheckerAndConverter.java
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| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * JBoss, Home of Professional Open Source. | ||
| * Copyright 2014, Red Hat, Inc., and individual contributors | ||
| * as indicated by the @author tags. See the copyright.txt file in the | ||
| * distribution for a full listing of individual contributors. | ||
| * | ||
| * This 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 software 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 software; if not, write to the Free | ||
| * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
| * 02110-1301 USA, or see the FSF site: http://www.fsf.org. | ||
| */ | ||
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| package org.wildfly.extension.mod_cluster; | ||
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| import org.jboss.as.controller.PathAddress; | ||
| import org.jboss.as.controller.transform.TransformationContext; | ||
| import org.jboss.as.controller.transform.description.DefaultCheckersAndConverter; | ||
| import org.jboss.dmr.ModelNode; | ||
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| import java.util.Map; | ||
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| import static org.wildfly.extension.mod_cluster.LoadMetricDefinition.CAPACITY; | ||
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| /** | ||
| * Converts doubles to ints, rejects expressions or double values that are not equivalent to integers. | ||
| * <p/> | ||
| * Package protected solely to allow unit testing. | ||
| */ | ||
| class CapacityCheckerAndConverter extends DefaultCheckersAndConverter { | ||
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| static final CapacityCheckerAndConverter INSTANCE = new CapacityCheckerAndConverter(); | ||
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| @Override | ||
| public String getRejectionLogMessage(Map<String, ModelNode> attributes) { | ||
| return ModClusterLogger.ROOT_LOGGER.capacityIsExpressionOrGreaterThanIntegerMaxValue(attributes.get(CAPACITY.getName())); | ||
| } | ||
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| @Override | ||
| protected boolean rejectAttribute(PathAddress address, String attributeName, ModelNode attributeValue, TransformationContext context) { | ||
| if (checkForExpression(attributeValue) || (attributeValue.isDefined() && !isIntegerValue(attributeValue.asDouble()))) { | ||
| return true; | ||
| } | ||
| Long converted = convert(attributeValue); | ||
| return (converted != null && (converted > Integer.MAX_VALUE || converted < Integer.MIN_VALUE)); | ||
| } | ||
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| @Override | ||
| protected void convertAttribute(PathAddress address, String attributeName, ModelNode attributeValue, TransformationContext context) { | ||
| Long converted = convert(attributeValue); | ||
| if (converted != null && converted <= Integer.MAX_VALUE && converted >= Integer.MIN_VALUE) { | ||
| attributeValue.set((int) converted.longValue()); | ||
| } | ||
| } | ||
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| @Override | ||
| protected boolean isValueDiscardable(PathAddress address, String attributeName, ModelNode attributeValue, TransformationContext context) { | ||
| // Not used for discard | ||
| return false; | ||
| } | ||
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| private Long convert(ModelNode attributeValue) { | ||
| if (attributeValue.isDefined() && !checkForExpression(attributeValue)) { | ||
| double raw = attributeValue.asDouble(); | ||
| if (isIntegerValue(raw)) { | ||
| return Math.round(raw); | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
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| private boolean isIntegerValue(double raw) { | ||
| return raw == (double) Math.round(raw); | ||
| } | ||
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| } |
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