com.hubspot.mesos.json.MesosResourcesObject Maven / Gradle / Ivy

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package com.hubspot.mesos.json;

import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Map;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;

public class MesosResourcesObject {

  private final ImmutableMap properties;

  @JsonCreator
  public MesosResourcesObject(Map properties) {
    this.properties = ImmutableMap.copyOf(checkNotNull(properties, "properties is null"));
  }

  public Optional getNumCpus() {
    return getResourceAsInteger("cpus");
  }

  public Optional getDiskSpace() {
    return getResourceAsLong("disk");
  }

  public Optional getMemoryMegaBytes() {
    return getResourceAsInteger("mem");
  }

  public Optional getPorts() {
    return getResourceAsString("ports");
  }

  public Optional getResourceAsInteger(String resourceName) {
    checkNotNull(resourceName, "resourceName is null");
    return properties.containsKey(resourceName) ? Optional.of(((Number) properties.get(resourceName)).intValue()) : Optional. absent();
  }

  public Optional getResourceAsLong(String resourceName) {
    checkNotNull(resourceName, "resourceName is null");
    return properties.containsKey(resourceName) ? Optional.of(((Number) properties.get(resourceName)).longValue()) : Optional. absent();
  }

  public Optional getResourceAsString(String resourceName) {
    checkNotNull(resourceName, "resourceName is null");
    return properties.containsKey(resourceName) ? Optional.of(properties.get(resourceName).toString()) : Optional. absent();
  }

  public Optional