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com.aendvari.common.osm
Class QueryOsmPath  

java.lang.Object
  com.aendvari.common.osm.QueryOsmPath

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public class QueryOsmPath

extends java.lang.Object

Provides the ability to access nodes within an Object Space Model using an expression.

This class allows the selection of single and multiple nodes.

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Nested Class Summary
protected static class	QueryOsmPath.Operator           Represents a single operation to perform during expression evaluation.
protected static class	QueryOsmPath.Parser           Parses a query expressions.

 

Field Summary
private  java.util.List	operations           Contains the compiled query expression.

 

Constructor Summary

QueryOsmPath(java.lang.String expression)           Constructs an QueryOsmPath instance.

 

Method Summary
protected  void	compile(java.lang.String expression)           Compiles the supplied query expression.
protected  void	parseIndexOperator(QueryOsmPath.Parser parser, java.lang.String segment)           Parses an index selection operator.
OsmNode	selectNode(OsmNode context)           Selects a single node using the compiled expression.
protected  OsmNode	selectNode(OsmNode context, int operationIndex)           Performs the query expression operations for a single node selection.
static OsmNode	selectNode(OsmNode context, java.lang.String expression)           Uses the expression to select a single node.
protected  OsmNode	selectNodeByIndex(QueryOsmPath.Operator operator, OsmNode context, int operationIndex)           Selects a child node based on its position.
protected  OsmNode	selectNodeByName(QueryOsmPath.Operator operator, OsmNode context, int operationIndex)           Selects a child node based on its name.
java.util.Collection	selectNodes(OsmNode context)           Selects a multiple nodes using the compiled expression.
protected  void	selectNodes(OsmNode context, int operationIndex, java.util.Collection nodes)           Performs the query expression operations for multiple node selection.
static java.util.Collection	selectNodes(OsmNode context, java.lang.String expression)           Uses the expression to select multiple nodes.
protected  void	selectNodesByIndex(QueryOsmPath.Operator operator, OsmNode context, int operationIndex, java.util.Collection nodes)           Selects a child node based on its position.
protected  void	selectNodesByName(QueryOsmPath.Operator operator, OsmNode context, int operationIndex, java.util.Collection nodes)           Selects child nodes based on their name.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

operations

private java.util.List operations

Contains the compiled query expression.

Constructor Detail

QueryOsmPath

public QueryOsmPath(java.lang.String expression)

Constructs an QueryOsmPath instance.

Method Detail

selectNode

public OsmNode selectNode(OsmNode context)

Selects a single node using the compiled expression.

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selectNodes

public java.util.Collection selectNodes(OsmNode context)

Selects a multiple nodes using the compiled expression.

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selectNode

public static OsmNode selectNode(OsmNode context,
                                 java.lang.String expression)

Uses the expression to select a single node.

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selectNodes

public static java.util.Collection selectNodes(OsmNode context,
                                               java.lang.String expression)

Uses the expression to select multiple nodes.

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selectNodeByName

protected OsmNode selectNodeByName(QueryOsmPath.Operator operator,
                                   OsmNode context,
                                   int operationIndex)

Selects a child node based on its name.

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selectNodeByIndex

protected OsmNode selectNodeByIndex(QueryOsmPath.Operator operator,
                                    OsmNode context,
                                    int operationIndex)

Selects a child node based on its position.

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selectNode

protected OsmNode selectNode(OsmNode context,
                             int operationIndex)

Performs the query expression operations for a single node selection.

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selectNodesByName

protected void selectNodesByName(QueryOsmPath.Operator operator,
                                 OsmNode context,
                                 int operationIndex,
                                 java.util.Collection nodes)

Selects child nodes based on their name.

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selectNodesByIndex

protected void selectNodesByIndex(QueryOsmPath.Operator operator,
                                  OsmNode context,
                                  int operationIndex,
                                  java.util.Collection nodes)

Selects a child node based on its position.

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selectNodes

protected void selectNodes(OsmNode context,
                           int operationIndex,
                           java.util.Collection nodes)

Performs the query expression operations for multiple node selection.

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parseIndexOperator

protected void parseIndexOperator(QueryOsmPath.Parser parser,
                                  java.lang.String segment)

Parses an index selection operator.

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compile

protected void compile(java.lang.String expression)

Compiles the supplied query expression.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> aendvari >> common >> [ osm overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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