io.servicecomb.config.DynamicPropertiesImpl.java Source code

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Here is the source code for io.servicecomb.config.DynamicPropertiesImpl.java

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/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * 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.servicecomb.config;

import java.util.Arrays;
import java.util.function.Consumer;
import java.util.function.DoubleConsumer;
import java.util.function.IntConsumer;
import java.util.function.LongConsumer;

import org.apache.commons.configuration.AbstractConfiguration;

import com.netflix.config.ConcurrentCompositeConfiguration;
import com.netflix.config.ConfigurationManager;
import com.netflix.config.DynamicBooleanProperty;
import com.netflix.config.DynamicDoubleProperty;
import com.netflix.config.DynamicFloatProperty;
import com.netflix.config.DynamicIntProperty;
import com.netflix.config.DynamicLongProperty;
import com.netflix.config.DynamicPropertyFactory;
import com.netflix.config.DynamicStringProperty;

class DynamicPropertiesImpl implements DynamicProperties {

    DynamicPropertiesImpl() {
    }

    DynamicPropertiesImpl(AbstractConfiguration... configurations) {
        ConcurrentCompositeConfiguration configuration = new ConcurrentCompositeConfiguration();
        Arrays.stream(configurations).forEach(configuration::addConfiguration);

        ConfigurationManager.install(configuration);
    }

    @Override
    public String getStringProperty(String propertyName, Consumer<String> consumer, String defaultValue) {
        DynamicStringProperty prop = propertyFactoryInstance().getStringProperty(propertyName, defaultValue);
        prop.addCallback(() -> consumer.accept(prop.get()));
        return prop.get();
    }

    @Override
    public String getStringProperty(String propertyName, String defaultValue) {
        return propertyFactoryInstance().getStringProperty(propertyName, defaultValue).get();
    }

    @Override
    public int getIntProperty(String propertyName, IntConsumer consumer, int defaultValue) {
        DynamicIntProperty prop = propertyFactoryInstance().getIntProperty(propertyName, defaultValue);
        prop.addCallback(() -> consumer.accept(prop.get()));
        return prop.get();
    }

    @Override
    public int getIntProperty(String propertyName, int defaultValue) {
        return propertyFactoryInstance().getIntProperty(propertyName, defaultValue).get();
    }

    @Override
    public long getLongProperty(String propertyName, LongConsumer consumer, long defaultValue) {
        DynamicLongProperty prop = propertyFactoryInstance().getLongProperty(propertyName, defaultValue);
        prop.addCallback(() -> consumer.accept(prop.get()));
        return prop.get();
    }

    @Override
    public long getLongProperty(String propertyName, long defaultValue) {
        return propertyFactoryInstance().getLongProperty(propertyName, defaultValue).get();
    }

    @Override
    public float getFloatProperty(String propertyName, DoubleConsumer consumer, float defaultValue) {
        DynamicFloatProperty prop = propertyFactoryInstance().getFloatProperty(propertyName, defaultValue);
        prop.addCallback(() -> consumer.accept(prop.get()));
        return prop.get();
    }

    @Override
    public float getFloatProperty(String propertyName, float defaultValue) {
        return propertyFactoryInstance().getFloatProperty(propertyName, defaultValue).get();
    }

    @Override
    public double getDoubleProperty(String propertyName, DoubleConsumer consumer, double defaultValue) {
        DynamicDoubleProperty prop = propertyFactoryInstance().getDoubleProperty(propertyName, defaultValue);
        prop.addCallback(() -> consumer.accept(prop.get()));
        return prop.get();
    }

    @Override
    public double getDoubleProperty(String propertyName, double defaultValue) {
        return propertyFactoryInstance().getDoubleProperty(propertyName, defaultValue).get();
    }

    @Override
    public boolean getBooleanProperty(String propertyName, Consumer<Boolean> consumer, boolean defaultValue) {
        DynamicBooleanProperty prop = propertyFactoryInstance().getBooleanProperty(propertyName, defaultValue);
        prop.addCallback(() -> consumer.accept(prop.get()));
        return prop.get();
    }

    @Override
    public boolean getBooleanProperty(String propertyName, boolean defaultValue) {
        return propertyFactoryInstance().getBooleanProperty(propertyName, defaultValue).get();
    }

    private DynamicPropertyFactory propertyFactoryInstance() {
        return DynamicPropertyFactory.getInstance();
    }
}