37 lines
1.2 KiB
Java
37 lines
1.2 KiB
Java
package org.gcube.data.access.storagehub.query.sql2.evaluators.date;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.List;
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import java.util.TimeZone;
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import javax.inject.Singleton;
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import org.gcube.common.storagehub.model.expressions.Expression;
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import org.gcube.common.storagehub.model.expressions.date.Before;
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import org.gcube.data.access.storagehub.query.sql2.evaluators.Evaluator;
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@Singleton
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public class BeforeEvaluator extends Evaluator<Before> {
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@Override
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public String evaluate(Before expr, Iterable<Evaluator<Expression<?>>> evaluators) {
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TimeZone tz = TimeZone.getTimeZone("UTC");
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DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
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df.setTimeZone(tz);
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return String.format("node.[%s] < CAST('%s' AS DATE)", expr.getSearchableField().getName(), df.format(expr.getValue().getTime()));
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}
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public Evaluator<Expression<?>> getEvaluator(Class<?> type, List<Evaluator<Expression<?>>> evaluators){
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for (Evaluator<Expression<?>> eval: evaluators) {
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if (eval.getType().equals(type)) return eval;
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}
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throw new IllegalStateException("evaluator not found for class "+type.getName());
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}
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@Override
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public Class<Before> getType() {
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return Before.class;
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}
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} |