Package hydra.query

Class Query

java.lang.Object

hydra.query.Query

All Implemented Interfaces:

Serializable, Comparable<Query>

public class Query
extends Object
implements Serializable, Comparable<Query>

A SELECT-style graph pattern matching query

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
final List<Pattern>	patterns	The patterns to be matched
static final Name	PATTERNS
static final Name	TYPE_
final List<Variable>	variables	The variables selected by the query
static final Name	VARIABLES

Constructor Summary

Constructors

Constructor	Description
Query(List<Variable> variables, List<Pattern> patterns)

Method Summary

Modifier and Type	Method	Description
int	compareTo(Query other)
boolean	equals(Object other)
int	hashCode()
Query	withPatterns(List<Pattern> patterns)
Query	withVariables(List<Variable> variables)

Methods inherited from class java.lang.Object

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

Field Details

TYPE_

public static final Name TYPE_

VARIABLES

public static final Name VARIABLES

PATTERNS

public static final Name PATTERNS

variables

public final List<Variable> variables

The variables selected by the query

patterns

public final List<Pattern> patterns

The patterns to be matched

Constructor Details

Query

public Query(List<Variable> variables,
 List<Pattern> patterns)

Method Details

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(Query other)

Specified by:

compareTo in interface Comparable<Query>

withVariables

public Query withVariables(List<Variable> variables)

withPatterns

public Query withPatterns(List<Pattern> patterns)