ps6
Class StreetSegReader

java.lang.Object
  ps6.StreetSegReader

public class StreetSegReader
extends Object

A StreetSegReader reads StreetSegments from a set of Tiger Databases.

Specification Fields

• sourceDirectory : String // name of directory where Tiger files are located
• streetSegs : Collection // contents of the database; each element is a StreetSegment

Nested Class Summary

static class

StreetSegReader.InvalidSourceException Exception indicating that the requsted source for a tiger database is invalid

Constructor Summary

StreetSegReader(String sourceDirectory)

Method Summary

Iterator<StreetSegment>	iterator() Returns an Iterator over this.streetSegs.
Iterator<StreetSegment>	streetSegments(boolean debug) Returns an Iterator over this.streetSegs.
protected StreetSegIterator	streetSegmentsInternal()

Methods inherited from class java.lang.Object

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

Constructor Detail

StreetSegReader

public StreetSegReader(String sourceDirectory)
                throws StreetSegReader.InvalidSourceException

Throws:

StreetSegReader.InvalidSourceException - if sourceDirectory is not valid database (most directories, even empty ones, count as valid).

Effects:

Constructs a StreetSegReader where sourceDirectory contains the Tiger Database files.

Method Detail

iterator

public Iterator<StreetSegment> iterator()

Returns an Iterator over this.streetSegs.

Returns:

an iterator that produces the contents of this.streetSegs. Each element produced by the Iterator is a StreetSegment.

streetSegmentsInternal

protected StreetSegIterator streetSegmentsInternal()

streetSegments

public Iterator<StreetSegment> streetSegments(boolean debug)

Returns an Iterator over this.streetSegs.

Returns:

an iterator that produces the contents of this.streetSegs. Each element produced by the Iterator is a StreetSegment.