Package ghidra.program.database.util

Class QueryRecordIterator

  • All Implemented Interfaces:
    RecordIterator
    public class QueryRecordIterator
extends java.lang.Object
implements RecordIterator
    Iterator that only returns records from another iterator that match the given query.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean delete()
      Delete the last Record read via the next or previous methods.
      boolean hasNext()
      Return true if a Record is available in the forward direction.
      boolean hasPrevious()
      Return true if a Record is available in the reverse direction
      DBRecord next()
      Return the nexy Record or null if one is not available.
      DBRecord previous()
      Return the previous Record or null if one is not available.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • QueryRecordIterator

        public QueryRecordIterator​(RecordIterator iter,
                           Query query)
        Constructs a new QueryRecordIterator that filters the given record iterator with the given Query.
        Parameters:
        iter - the record iterator to filter.
        query - the query used to filter.

      • QueryRecordIterator

        public QueryRecordIterator​(RecordIterator iter,
                           Query query,
                           boolean forward)
        Constructor
        Parameters:
        iter - record iterator
        query - query needed to match the record
        forward - true means iterate in the forward direction

    • Method Detail

      • hasNext

        public boolean hasNext()
                throws java.io.IOException
        Description copied from interface: RecordIterator
        Return true if a Record is available in the forward direction.
        Specified by:
        hasNext in interface RecordIterator
        Throws:
        java.io.IOException - thrown if an IO error occurs
        See Also:
        RecordIterator.hasNext()

      • next

        public DBRecord next()
              throws java.io.IOException
        Description copied from interface: RecordIterator
        Return the nexy Record or null if one is not available.
        Specified by:
        next in interface RecordIterator
        Throws:
        java.io.IOException - thrown if an IO error occurs
        See Also:
        RecordIterator.next()

      • hasPrevious

        public boolean hasPrevious()
                    throws java.io.IOException
        Description copied from interface: RecordIterator
        Return true if a Record is available in the reverse direction
        Specified by:
        hasPrevious in interface RecordIterator
        Throws:
        java.io.IOException - thrown if an IO error occurs
        See Also:
        RecordIterator.hasPrevious()

      • delete

        public boolean delete()
               throws java.io.IOException
        Description copied from interface: RecordIterator
        Delete the last Record read via the next or previous methods.
        Specified by:
        delete in interface RecordIterator
        Returns:
        true if record was successfully deleted.
        Throws:
        java.io.IOException - thrown if an IO error occurs.
        See Also:
        RecordIterator.delete()