io.prometheus.client.AtomicDoubleSerializer.java Source code

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Here is the source code for io.prometheus.client.AtomicDoubleSerializer.java

Source

/*
 * Copyright 2013 Prometheus Team 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
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

package io.prometheus.client;

import com.google.common.util.concurrent.AtomicDouble;
import com.google.gson.JsonElement;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

import javax.annotation.concurrent.ThreadSafe;
import java.lang.reflect.Type;

/**
 * <p>
 * A {@link JsonSerializer} for converting {@link AtomicDouble} into an
 * acceptable value for {@link com.google.gson.Gson}.
 * </p>
 *
 * @author matt.proud@gmail.com (Matt T. Proud)
 */
@ThreadSafe
class AtomicDoubleSerializer implements JsonSerializer<AtomicDouble> {
    @Override
    public JsonElement serialize(final AtomicDouble src, final Type typeOfSrc,
            final JsonSerializationContext context) {
        return new JsonPrimitive(src.doubleValue());
    }
}