本文整理了Java中org.eclipse.smarthome.core.items.Item.getStateAs()方法的一些代码示例，展示了Item.getStateAs()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。Item.getStateAs()方法的具体详情如下：
包路径：org.eclipse.smarthome.core.items.Item
类名称：Item
方法名：getStateAs

Item.getStateAs介绍

[英]returns the current state of the item as a specific type
[中]以特定类型返回项的当前状态

代码示例

代码示例来源：origin: eclipse/smarthome

private int count(Set<Item> items, State state) {
  int count = 0;
  if (items != null && state != null) {
    for (Item item : items) {
      if (state.equals(item.getStateAs(state.getClass()))) {
        count++;
      }
    }
  }
  return count;
}

代码示例来源：origin: eclipse/smarthome

private int count(Set<Item> items, State state) {
  int count = 0;
  if (items != null && state != null) {
    for (Item item : items) {
      if (state.equals(item.getStateAs(state.getClass()))) {
        count++;
      }
    }
  }
  return count;
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  if (items != null) {
    for (Item item : items) {
      if (activeState.equals(item.getStateAs(activeState.getClass()))) {
        return activeState;
      }
    }
  }
  return passiveState;
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  if (items != null && items.size() > 0) {
    for (Item item : items) {
      if (!activeState.equals(item.getStateAs(activeState.getClass()))) {
        return passiveState;
      }
    }
    return activeState;
  } else {
    // if we do not have any items, we return the passive state
    return passiveState;
  }
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  BigDecimal sum = BigDecimal.ZERO;
  if (items != null) {
    for (Item item : items) {
      DecimalType itemState = item.getStateAs(DecimalType.class);
      if (itemState != null) {
        sum = sum.add(itemState.toBigDecimal());
      }
    }
  }
  return new DecimalType(sum);
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  BigDecimal sum = BigDecimal.ZERO;
  int count = 0;
  if (items != null) {
    for (Item item : items) {
      DecimalType itemState = item.getStateAs(DecimalType.class);
      if (itemState != null) {
        sum = sum.add(itemState.toBigDecimal());
        count++;
      }
    }
  }
  if (count > 0) {
    return new DecimalType(sum.divide(BigDecimal.valueOf(count), RoundingMode.HALF_UP));
  } else {
    return UnDefType.UNDEF;
  }
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  if (items != null && items.size() > 0) {
    BigDecimal min = null;
    for (Item item : items) {
      DecimalType itemState = item.getStateAs(DecimalType.class);
      if (itemState != null) {
        if (min == null || min.compareTo(itemState.toBigDecimal()) > 0) {
          min = itemState.toBigDecimal();
        }
      }
    }
    if (min != null) {
      return new DecimalType(min);
    }
  }
  return UnDefType.UNDEF;
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  if (items != null && items.size() > 0) {
    BigDecimal max = null;
    for (Item item : items) {
      DecimalType itemState = item.getStateAs(DecimalType.class);
      if (itemState != null) {
        if (max == null || max.compareTo(itemState.toBigDecimal()) < 0) {
          max = itemState.toBigDecimal();
        }
      }
    }
    if (max != null) {
      return new DecimalType(max);
    }
  }
  return UnDefType.UNDEF;
}

代码示例来源：origin: eclipse/smarthome

@Override
public <T extends State> @Nullable T getStateAs(Class<T> typeClass) {
  // if a group does not have a function it cannot have a state
  @Nullable
  T newState = null;
  if (function != null) {
    newState = function.getStateAs(getStateMembers(getMembers()), typeClass);
  }
  if (newState == null && baseItem != null && baseItem instanceof GenericItem) {
    // we use the transformation method from the base item
    ((GenericItem) baseItem).setState(state);
    newState = baseItem.getStateAs(typeClass);
  }
  if (newState == null) {
    newState = super.getStateAs(typeClass);
  }
  return newState;
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  if (items != null && items.size() > 0) {
    ZonedDateTime max = null;
    for (Item item : items) {
      DateTimeType itemState = item.getStateAs(DateTimeType.class);
      if (itemState != null) {
        if (max == null || max.isAfter(itemState.getZonedDateTime())) {
          max = itemState.getZonedDateTime();
        }
      }
    }
    if (max != null) {
      return new DateTimeType(max);
    }
  }
  return UnDefType.UNDEF;
}

代码示例来源：origin: eclipse/smarthome

@Override
public State calculate(Set<Item> items) {
  if (items != null && items.size() > 0) {
    ZonedDateTime max = null;
    for (Item item : items) {
      DateTimeType itemState = item.getStateAs(DateTimeType.class);
      if (itemState != null) {
        if (max == null || max.isBefore(itemState.getZonedDateTime())) {
          max = itemState.getZonedDateTime();
        }
      }
    }
    if (max != null) {
      return new DateTimeType(max);
    }
  }
  return UnDefType.UNDEF;
}

代码示例来源：origin: eclipse/smarthome

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public State calculate(Set<Item> items) {
  if (items == null || items.size() <= 0) {
    return UnDefType.UNDEF;
  }
  QuantityType<?> sum = null;
  int count = 0;
  for (Item item : items) {
    if (isSameDimension(item)) {
      QuantityType itemState = item.getStateAs(QuantityType.class);
      if (itemState != null) {
        if (sum == null) {
          sum = itemState; // initialise the sum from the first item
          count++;
        } else {
          sum = sum.add(itemState);
          count++;
        }
      }
    }
  }
  if (sum != null && count > 0) {
    BigDecimal result = sum.toBigDecimal().divide(BigDecimal.valueOf(count), RoundingMode.HALF_UP);
    return new QuantityType(result, sum.getUnit());
  }
  return UnDefType.UNDEF;
}

代码示例来源：origin: eclipse/smarthome

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public State calculate(Set<Item> items) {
  if (items == null || items.size() <= 0) {
    return UnDefType.UNDEF;
  }
  QuantityType<?> max = null;
  for (Item item : items) {
    if (isSameDimension(item)) {
      QuantityType itemState = item.getStateAs(QuantityType.class);
      if (itemState != null) {
        if (max == null
            || (max.getUnit().isCompatible(itemState.getUnit()) && max.compareTo(itemState) < 0)) {
          max = itemState;
        }
      }
    }
  }
  return max != null ? max : UnDefType.UNDEF;
}

代码示例来源：origin: eclipse/smarthome

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public State calculate(Set<Item> items) {
  if (items == null || items.size() <= 0) {
    return UnDefType.UNDEF;
  }
  QuantityType<?> sum = null;
  for (Item item : items) {
    if (isSameDimension(item)) {
      QuantityType itemState = item.getStateAs(QuantityType.class);
      if (itemState != null) {
        if (sum == null) {
          sum = itemState; // initialise the sum from the first item
        } else if (sum.getUnit().isCompatible(itemState.getUnit())) {
          sum = sum.add(itemState);
        }
      }
    }
  }
  return sum != null ? sum : UnDefType.UNDEF;
}

代码示例来源：origin: eclipse/smarthome

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public State calculate(Set<Item> items) {
  if (items == null || items.size() <= 0) {
    return UnDefType.UNDEF;
  }
  QuantityType<?> min = null;
  for (Item item : items) {
    if (isSameDimension(item)) {
      QuantityType itemState = item.getStateAs(QuantityType.class);
      if (itemState != null) {
        if (min == null
            || (min.getUnit().isCompatible(itemState.getUnit()) && min.compareTo(itemState) > 0)) {
          min = itemState;
        }
      }
    }
  }
  return min != null ? min : UnDefType.UNDEF;
}

代码示例来源：origin: openhab/openhab-core

private int count(Set<Item> items, State state) {
  int count = 0;
  if (items != null && state != null) {
    for (Item item : items) {
      if (state.equals(item.getStateAs(state.getClass()))) {
        count++;
      }
    }
  }
  return count;
}

代码示例来源：origin: openhab/openhab-core

private int count(Set<Item> items, State state) {
  int count = 0;
  if (items != null && state != null) {
    for (Item item : items) {
      if (state.equals(item.getStateAs(state.getClass()))) {
        count++;
      }
    }
  }
  return count;
}

代码示例来源：origin: openhab/openhab-core

@Override
public State calculate(Set<Item> items) {
  if (items != null) {
    for (Item item : items) {
      if (activeState.equals(item.getStateAs(activeState.getClass()))) {
        return activeState;
      }
    }
  }
  return passiveState;
}

代码示例来源：origin: openhab/openhab-core

@Override
public State calculate(Set<Item> items) {
  if (items != null && items.size() > 0) {
    for (Item item : items) {
      if (!activeState.equals(item.getStateAs(activeState.getClass()))) {
        return passiveState;
      }
    }
    return activeState;
  } else {
    // if we do not have any items, we return the passive state
    return passiveState;
  }
}

代码示例来源：origin: openhab/openhab-core

@Override
public State calculate(Set<Item> items) {
  BigDecimal sum = BigDecimal.ZERO;
  if (items != null) {
    for (Item item : items) {
      DecimalType itemState = item.getStateAs(DecimalType.class);
      if (itemState != null) {
        sum = sum.add(itemState.toBigDecimal());
      }
    }
  }
  return new DecimalType(sum);
}