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/**
 * Logspace
 * Copyright (c) 2015 Indoqa Software Design und Beratung GmbH. All rights reserved.
 * This program and the accompanying materials are made available under the terms of
 * the Eclipse Public License Version 1.0, which accompanies this distribution and
 * is available at http://www.eclipse.org/legal/epl-v10.html.
 */
package io.logspace.jvm.agent.api.order;

import static io.logspace.jvm.agent.api.order.Aggregate.*;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
 * Defines the types of the values an {@link io.logspace.jvm.agent.api.event.EventProperty EventProperty} can carry and which aggregations
 * are possible for those values.
 */
public enum PropertyType {

    BOOLEAN(count), DATE(count, min, max, avg), INTEGER(count, min, max, avg, sum), LONG(count, min, max, avg, sum),
    FLOAT(count, min, max, avg, sum), DOUBLE(count, min, max, avg, sum), STRING(count);

    private static final Map PROPERTY_TYPES = new HashMap();

    static {
        for (PropertyType eachValue : PropertyType.values()) {
            PROPERTY_TYPES.put(eachValue.name().toLowerCase(), eachValue);
        }
    }

    private final Set allowedAggregates = new HashSet();

    private PropertyType(Aggregate... allowedAggregate) {
        for (Aggregate eachAllowedAggregate : allowedAggregate) {
            this.allowedAggregates.add(eachAllowedAggregate);
        }
    }

    public static PropertyType get(String name) {
        if (name == null) {
            return null;
        }

        return PROPERTY_TYPES.get(name.toLowerCase());
    }

    public Set getAllowedAggregates() {
        return this.allowedAggregates;
    }

    public boolean isAllowed(Aggregate aggregate) {
        return this.allowedAggregates.contains(aggregate);
    }
}