org.apache.calcite.schema

Interface Path

All Superinterfaces:

java.util.Collection<Pair<java.lang.String,Schema>>, java.lang.Iterable<Pair<java.lang.String,Schema>>, java.util.List<Pair<java.lang.String,Schema>>, java.util.RandomAccess

public interface Path
extends java.util.List<Pair<java.lang.String,Schema>>, java.util.RandomAccess

Path from a root schema to a particular object (schema, table, function).

Examples:

• The root schema has a single element [(root, "")].
• A direct child "foo" of the root schema has a two elements [(root, ""), (child, "foo")].

Method Summary

Modifier and Type	Method and Description
java.util.List<java.lang.String>	names() Returns the names of this path, not including the name of the root.
Path	parent() Returns the parent path, or null if the path is empty.
java.util.List<Schema>	schemas() Returns the schemas of this path.

Methods inherited from interface java.util.List

add, add, addAll, addAll, clear, contains, containsAll, equals, get, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Method Detail

parent

Path parent()

Returns the parent path, or null if the path is empty.

names

java.util.List<java.lang.String> names()

Returns the names of this path, not including the name of the root.

schemas

java.util.List<Schema> schemas()

Returns the schemas of this path.