org.dbrain.data.impl.path

Class PathImpl

java.lang.Object

org.dbrain.data.impl.path.PathImpl

All Implemented Interfaces:

Path

public final class PathImpl
extends Object
implements Path

Implements the Fqn.

Nested Class Summary

Nested classes/interfaces inherited from interface org.dbrain.data.Path

Path.Builder, Path.NodeType

Field Summary

Fields

Modifier and Type	Field and Description
static Path	EMPTY_PATH

Constructor Summary

Constructors

Constructor and Description
PathImpl(List<Object> nodes) Use the of(xxx) factory.

Method Summary

Modifier and Type	Method and Description
Path	append(Path toAppend)
Path	append(String toAppend)
String	attr(int i) Retrieve an attribute at the specified index.
boolean	equals(Object o)
int	hashCode()
Path	head(int toIndex)
long	index(int i) Retrieve an index at the specified path index.
Path.NodeType	nodeType(int i)
int	size()
boolean	startsWith(Path other) Validate that the current Fqn starts with the other Fqn.
Path	tail(int size)
Path	tailFrom(int fromIndex)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.dbrain.data.Path

empty, from, from, fromAttr, newBuilder, of, of, ofAttr

Field Detail

EMPTY_PATH

public static final Path EMPTY_PATH

Constructor Detail

PathImpl

public PathImpl(List<Object> nodes)

Use the of(xxx) factory.

Method Detail

size

public int size()

Specified by:

size in interface Path

Returns:

The number of segments in this FQN.

nodeType

public Path.NodeType nodeType(int i)

Specified by:

nodeType in interface Path

Returns:

The type of node at the specified index.

index

public long index(int i)

Retrieve an index at the specified path index.

Specified by:

index in interface Path

Parameters:

i - Index of the node to retrieve.

Returns:

A segment.

attr

public String attr(int i)

Retrieve an attribute at the specified index.

Specified by:

attr in interface Path

Parameters:

i - Index of the segment to retrieve.

Returns:

A segment.

head

public Path head(int toIndex)

Specified by:

head in interface Path

Parameters:

toIndex - the number of nodes to return.

Returns:

The head of the path up to toIndex nodes.

tail

public Path tail(int size)

Specified by:

tail in interface Path

Parameters:

size - the number of segments to return.

Returns:

The head of the fully qualified name up to count segment.

tailFrom

public Path tailFrom(int fromIndex)

Specified by:

tailFrom in interface Path

Parameters:

fromIndex - the index of the starting segment.

Returns:

The tail of the fully qualified name starting at fromIndex.

startsWith

public boolean startsWith(Path other)

Validate that the current Fqn starts with the other Fqn.

Specified by:

startsWith in interface Path

Returns:

Test if a name starts with another.

append

public Path append(Path toAppend)

Specified by:

append in interface Path

Returns:

@return A path containing the current path with another appended.

append

public Path append(String toAppend)

Specified by:

append in interface Path

Returns:

@return A path containing the current path with another appended.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

Returns:

The string representation of this Path.