本文整理了Java中java.lang.Number.longValue()方法的一些代码示例，展示了Number.longValue()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Number.longValue()方法的具体详情如下：
包路径：java.lang.Number
类名称：Number
方法名：longValue

Number.longValue介绍

[英]Returns this object's value as a long. Might involve rounding and/or truncating the value, so it fits into a long.
[中]

代码示例

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) {
    if (jv instanceof Number) {
      return ((Number) jv).longValue();
    }
    return (long) 0;
  }
};

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) {
    if (jv instanceof Number) {
      return ((Number) jv).longValue();
    }
    return (long) 0;
  }
};

代码示例来源：origin: apache/incubator-dubbo

/**
 * get long value.
 *
 * @param key key.
 * @param def default value.
 * @return value or default value.
 */
public long getLong(String key, long def) {
  Object tmp = mMap.get(key);
  return tmp != null && tmp instanceof Number ? ((Number) tmp).longValue() : def;
}

代码示例来源：origin: apache/incubator-dubbo

/**
 * get long value.
 *
 * @param key key.
 * @param def default value.
 * @return value or default value.
 */
public long getLong(String key, long def) {
  Object tmp = mMap.get(key);
  return tmp != null && tmp instanceof Number ? ((Number) tmp).longValue() : def;
}

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) {
    if (jv instanceof Number) {
      return Long.valueOf(((Number) jv).longValue());
    }
    return (Long) null;
  }
};

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) throws IOException {
    if (jv instanceof Number) {
      return BigInteger.valueOf(((Number) jv).longValue());
    }
    return (BigInteger) null;
  }
};

代码示例来源：origin: apache/incubator-dubbo

/**
 * get long value.
 *
 * @param index index.
 * @param def   default value.
 * @return value or default value.
 */
public long getLong(int index, long def) {
  Object tmp = mArray.get(index);
  return tmp != null && tmp instanceof Number ? ((Number) tmp).longValue() : def;
}

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) throws IOException {
    if (jv instanceof Number) {
      return new AtomicLong(((Number) jv).longValue());
    }
    return (AtomicLong) null;
  }
};

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) throws IOException {
    if (jv instanceof Number) {
      return BigInteger.valueOf(((Number) jv).longValue());
    }
    return (BigInteger) null;
  }
};

代码示例来源：origin: apache/incubator-dubbo

/**
 * get long value.
 *
 * @param index index.
 * @param def   default value.
 * @return value or default value.
 */
public long getLong(int index, long def) {
  Object tmp = mArray.get(index);
  return tmp != null && tmp instanceof Number ? ((Number) tmp).longValue() : def;
}

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) {
    if (jv instanceof Number) {
      return Long.valueOf(((Number) jv).longValue());
    }
    return (Long) null;
  }
};

代码示例来源：origin: apache/incubator-dubbo

@Override
  public Object decode(Object jv) throws IOException {
    if (jv instanceof Number) {
      return new AtomicLong(((Number) jv).longValue());
    }
    return (AtomicLong) null;
  }
};

代码示例来源：origin: spring-projects/spring-framework

@Nullable
private Long headerToLong(@Nullable Object headerValue) {
  if (headerValue instanceof Number) {
    return ((Number) headerValue).longValue();
  }
  else if (headerValue instanceof String) {
    return Long.parseLong((String) headerValue);
  }
  else {
    return null;
  }
}

代码示例来源：origin: apache/incubator-dubbo

@Override
  public void encode(Object obj, JSONWriter jb) throws IOException {
    jb.valueLong(((Number) obj).longValue());
  }
};

代码示例来源：origin: apache/incubator-dubbo

@Override
  public void encode(Object obj, JSONWriter jb) throws IOException {
    jb.valueLong(((Number) obj).longValue());
  }
};

代码示例来源：origin: apache/incubator-dubbo

public long getParameter(String key, long defaultValue) {
  Number n = getNumbers().get(key);
  if (n != null) {
    return n.longValue();
  }
  String value = getParameter(key);
  if (StringUtils.isEmpty(value)) {
    return defaultValue;
  }
  long l = Long.parseLong(value);
  getNumbers().put(key, l);
  return l;
}

代码示例来源：origin: apache/incubator-dubbo

public long getParameter(String key, long defaultValue) {
  Number n = getNumbers().get(key);
  if (n != null) {
    return n.longValue();
  }
  String value = getParameter(key);
  if (StringUtils.isEmpty(value)) {
    return defaultValue;
  }
  long l = Long.parseLong(value);
  getNumbers().put(key, l);
  return l;
}

代码示例来源：origin: apache/incubator-dubbo

public long getMethodParameter(String method, String key, long defaultValue) {
  String methodKey = method + "." + key;
  Number n = getNumbers().get(methodKey);
  if (n != null) {
    return n.longValue();
  }
  String value = getMethodParameter(method, key);
  if (StringUtils.isEmpty(value)) {
    return defaultValue;
  }
  long l = Long.parseLong(value);
  getNumbers().put(methodKey, l);
  return l;
}

代码示例来源：origin: apache/incubator-dubbo

public long getMethodParameter(String method, String key, long defaultValue) {
  String methodKey = method + "." + key;
  Number n = getNumbers().get(methodKey);
  if (n != null) {
    return n.longValue();
  }
  String value = getMethodParameter(method, key);
  if (StringUtils.isEmpty(value)) {
    return defaultValue;
  }
  long l = Long.parseLong(value);
  getNumbers().put(methodKey, l);
  return l;
}

代码示例来源：origin: google/guava

public void testForMapWildCardWithDefault() {
 Map<String, Integer> map = Maps.newHashMap();
 map.put("One", 1);
 map.put("Three", 3);
 Number number = Double.valueOf(42);
 Function<String, Number> function = Functions.forMap(map, number);
 assertEquals(1, function.apply("One").intValue());
 assertEquals(number, function.apply("Two"));
 assertEquals(3L, function.apply("Three").longValue());
}