Package org.apache.iotdb.db.engine.querycontext

Class ReadOnlyMemChunk

  • Direct Known Subclasses:
    AlignedReadOnlyMemChunk
    public class ReadOnlyMemChunk
extends java.lang.Object
    ReadOnlyMemChunk is a snapshot of the working MemTable and flushing memtable in the memory used for querying

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected org.apache.iotdb.tsfile.file.metadata.IChunkMetadata cachedMetaData  
      protected org.apache.iotdb.tsfile.read.common.block.TsBlock tsBlock  

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected ReadOnlyMemChunk()  
        ReadOnlyMemChunk​(java.lang.String measurementUid, org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType, org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding encoding, TVList tvList, java.util.Map<java.lang.String,​java.lang.String> props, java.util.List<org.apache.iotdb.tsfile.read.common.TimeRange> deletionList)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.apache.iotdb.tsfile.file.metadata.IChunkMetadata getChunkMetaData()  
      org.apache.iotdb.tsfile.file.metadata.enums.TSDataType getDataType()  
      org.apache.iotdb.tsfile.read.reader.IPointReader getPointReader()  
      org.apache.iotdb.tsfile.read.common.block.TsBlock getTsBlock()  
      boolean isEmpty()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • cachedMetaData

        protected org.apache.iotdb.tsfile.file.metadata.IChunkMetadata cachedMetaData

      • tsBlock

        protected org.apache.iotdb.tsfile.read.common.block.TsBlock tsBlock

    • Constructor Detail

      • ReadOnlyMemChunk

        protected ReadOnlyMemChunk()

      • ReadOnlyMemChunk

        public ReadOnlyMemChunk​(java.lang.String measurementUid,
                        org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType,
                        org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding encoding,
                        TVList tvList,
                        java.util.Map<java.lang.String,​java.lang.String> props,
                        java.util.List<org.apache.iotdb.tsfile.read.common.TimeRange> deletionList)
                 throws java.io.IOException,
                        QueryProcessException
        Throws:
        java.io.IOException
        QueryProcessException

    • Method Detail

      • getDataType

        public org.apache.iotdb.tsfile.file.metadata.enums.TSDataType getDataType()

      • isEmpty

        public boolean isEmpty()
                throws java.io.IOException
        Throws:
        java.io.IOException

      • getChunkMetaData

        public org.apache.iotdb.tsfile.file.metadata.IChunkMetadata getChunkMetaData()

      • getPointReader

        public org.apache.iotdb.tsfile.read.reader.IPointReader getPointReader()

      • getTsBlock

        public org.apache.iotdb.tsfile.read.common.block.TsBlock getTsBlock()