public class TimestreamMeta extends Object
TimestreamIdentifier
:时间线唯一标示
2. updateTime(更新时间):时间线的更新时间,数据写入时后台会自动更新该时间
3. attributes:时间线的可变属性,属性变化时并不影响时间线的确认构造器和说明 |
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TimestreamMeta(TimestreamIdentifier identifier) |
public TimestreamMeta(TimestreamIdentifier identifier)
protected static TimestreamMeta newInstance(Row row)
public TimestreamIdentifier getIdentifier()
public TimestreamMeta setUpdateTime(long timestamp, TimeUnit unit)
public long getUpdateTimeInUsec()
public TimestreamMeta setAttributes(TreeMap<String,ColumnValue> attributes)
attributes
- public TimestreamMeta addAttribute(String name, ColumnValue value)
public TimestreamMeta addAttribute(String name, Location value)
public TimestreamMeta addAttribute(String name, String value)
name
- value
- public TimestreamMeta addAttribute(String name, long value)
name
- value
- public TimestreamMeta addAttribute(String name, byte[] value)
name
- value
- public TimestreamMeta addAttribute(String name, double value)
name
- value
- public TimestreamMeta addAttribute(String name, boolean value)
name
- value
- public Map<String,ColumnValue> getAttributes()
public long getAttributeAsLong(String name)
public byte[] getAttributeAsBinary(String name)
public double getAttributeAsDouble(String name)
public boolean getAttributeAsBoolean(String name)
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