Package org.apache.hugegraph.computer.core.store.entry

Class EntryOutputImpl

  • All Implemented Interfaces:
    EntryOutput
    public class EntryOutputImpl
extends java.lang.Object
implements EntryOutput

    • Constructor Summary

      Constructors 
      Constructor Description
      EntryOutputImpl​(org.apache.hugegraph.computer.core.io.RandomAccessOutput output)  
      EntryOutputImpl​(org.apache.hugegraph.computer.core.io.RandomAccessOutput output, boolean needSortSubKv)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      KvEntryWriter writeEntry​(org.apache.hugegraph.computer.core.io.Writable key)
      Write entry with multiple sub-key and sub-value.
      void writeEntry​(org.apache.hugegraph.computer.core.io.Writable key, org.apache.hugegraph.computer.core.io.Writable value)
      Write entry with single value.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • EntryOutputImpl

        public EntryOutputImpl​(org.apache.hugegraph.computer.core.io.RandomAccessOutput output,
                       boolean needSortSubKv)

      • EntryOutputImpl

        public EntryOutputImpl​(org.apache.hugegraph.computer.core.io.RandomAccessOutput output)

    • Method Detail

      • writeEntry

        public KvEntryWriter writeEntry​(org.apache.hugegraph.computer.core.io.Writable key)
                         throws java.io.IOException
        Description copied from interface: EntryOutput
        Write entry with multiple sub-key and sub-value. Used when write vertex with edges, each sub-key is target id of an edge, each sub-value is the properties of an edge. The output format: | key length | key | total sub-entry length | sub-entry count | | sub-key1 length | sub-key1 | sub-value1 length | sub-value1 | | sub-key2 length | sub-key2 | sub-value2 length | sub-value2 |
        Specified by:
        writeEntry in interface EntryOutput
        Throws:
        java.io.IOException

      • writeEntry

        public void writeEntry​(org.apache.hugegraph.computer.core.io.Writable key,
                       org.apache.hugegraph.computer.core.io.Writable value)
                throws java.io.IOException
        Description copied from interface: EntryOutput
        Write entry with single value. Used when write vertex without edges and write message. The output format: | key length | key | value length | value |
        Specified by:
        writeEntry in interface EntryOutput
        Throws:
        java.io.IOException