io.tiler.internal.queries.clauses.metrics.SelectClause Maven / Gradle / Ivy

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Plugable dashboard framework

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package io.tiler.internal.queries.clauses.metrics;

import io.tiler.core.json.JsonArrayIterable;
import io.tiler.internal.queries.EvaluationException;
import io.tiler.internal.queries.clauses.BaseSelectClause;
import io.tiler.internal.queries.expressions.Expression;
import org.vertx.java.core.json.JsonArray;
import org.vertx.java.core.json.JsonObject;

import java.time.Clock;
import java.util.Map;

public class SelectClause extends BaseSelectClause {
  public SelectClause(Map namedExpressions) {
    super(namedExpressions);
  }

  public JsonArray applyToMetrics(Clock clock, JsonArray metrics) throws EvaluationException {
    JsonArray transformedMetrics = new JsonArray();

    for (JsonObject metric : new JsonArrayIterable(metrics)) {
      JsonObject transformedMetric = applyToItem(clock, metric);
      transformedMetric.putArray("points", metric.getArray("points"));

      transformedMetrics.addObject(transformedMetric);
    }

    return transformedMetrics;
  }
}