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vertigo - simple java starter Copyright (C) 2013, KleeGroup, ( KleeGroup, Centre d'affaire la Boursidiere - BP 159 - 92357 Le Plessis Robinson Cedex - France Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
Comptage du nombre de lignes.

public final class CountMetricEngine implements MetricEngine<DtDefinitionCountMetric> {

persistenceManager Manager de persistance
	public CountMetricEngine(final PersistenceManager persistenceManager) {
		this. = persistenceManager;

	public CountMetric execute(final DtDefinition dtDefinition) {
		if (!dtDefinition.isPersistent()) {
			return new CountMetric(null..);
		//Dans le cas ou DT est persistant on compte le nombre de lignes.
		try {
			final int count = .getBroker().count(dtDefinition);
			return new CountMetric(count..);
catch (final Exception e) {
			return new CountMetric(null..);
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