Package edu.tufts.hrilab.action.db.util

Class Utilities

java.lang.Object

edu.tufts.hrilab.action.db.util.Utilities

public class Utilities
extends Object

Constructor Summary

Constructors

Constructor	Description
Utilities()

Method Summary

Modifier and Type	Method	Description
static boolean	argMatches(ActionBinding signatureArg, Object inputArg)	Checks if the java class and semantic type of the input arg matches the java class and semantic type of the argument in teh DB entry signature.
static List<ActionDBEntry>	filterEntries(Predicate pred, List<org.apache.commons.lang3.tuple.Pair<Predicate,ActionDBEntry>> map, Symbol actor)	Filter possible ActionDBEntries found for predicate
static final <T extends DBEntry> List<T>	findMatchingEntries(List<T> entries, List<Class<?>> inputRoleTypes)	Finds the matching DBEntries for the provided role types.
static <T extends DBEntry> List<T>	getEntries(Map<String,List<T>> db, String type)	Lookup by type.
static <T extends DBEntry> List<T>	getEntries(Map<String,List<T>> db, String type, List<Class<?>> inputRoleTypes)	Lookup by type and roles.
static ActionDBEntry	getEntry(Map<String,List<ActionDBEntry>> db, String type, Symbol actor, List<Class<?>> inputRoleTypes)	Lookup by type, roles and agent.
static <T extends DBEntry> T	getEntry(Map<String,List<T>> db, String type)	Lookup by type.
static <T extends DBEntry> T	getEntry(Map<String,List<T>> db, String type, List<Class<?>> inputRoleTypes)	Lookup by type and roles.
static <T extends DBEntry> void	putEntry(Map<String,List<T>> db, T entry)	Put a new entry in the database.

Methods inherited from class java.lang.Object

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

Constructor Details

Utilities

public Utilities()

Method Details

getEntries

public static <T extends DBEntry> List<T> getEntries(Map<String,List<T>> db,
 String type)

Lookup by type.

Parameters:

db - the database in which to look up

type - the type of the entity to look up

Returns:

list of entries with matching type

getEntries

public static <T extends DBEntry> List<T> getEntries(Map<String,List<T>> db,
 String type,
 List<Class<?>> inputRoleTypes)

Lookup by type and roles.

Parameters:

db - the database in which to look up

type - the type of the entity to look up

inputRoleTypes - the java types of the input roles of the Entry to look up

Returns:

list of entries with matching type and roles, best match first.

getEntry

public static <T extends DBEntry> T getEntry(Map<String,List<T>> db,
 String type)

Lookup by type. Returns last added entry if more than one entry with type.

Parameters:

db - the database in which to look up

type - the type of the entity to look up

Returns:

the (last) requested entry, if found, null otherwise

getEntry

public static <T extends DBEntry> T getEntry(Map<String,List<T>> db,
 String type,
 List<Class<?>> inputRoleTypes)

Lookup by type and roles. Tries to find best suited entry according to provided roles.

Parameters:

db - the database in which to look up

type - the type of the entity to look up

inputRoleTypes - the java types of the input roles of the Entry to look up

Returns:

the requested entry, if found, null otherwise

getEntry

public static ActionDBEntry getEntry(Map<String,List<ActionDBEntry>> db,
 String type,
 Symbol actor,
 List<Class<?>> inputRoleTypes)

Lookup by type, roles and agent. Tries to find best suited entry according to provided roles.

Parameters:

db - the database in which to look up

type - the type of the entity to look up

actor - the actor affected by the entity to look up

inputRoleTypes - the java types of the input roles of the action to look up

Returns:

the requested entry, if found, null otherwise

putEntry

public static <T extends DBEntry> void putEntry(Map<String,List<T>> db,
 T entry)

Put a new entry in the database.

Parameters:

db - the database in which to put the entry

entry - the new entry

findMatchingEntries

public static final <T extends DBEntry> List<T> findMatchingEntries(List<T> entries,
 List<Class<?>> inputRoleTypes)

Finds the matching DBEntries for the provided role types.

Type Parameters:

T - type of DBEntry

Parameters:

entries - DBEntries.

inputRoleTypes - the java types of the input roles of the Entry to look up

Returns:

list of matching DBEntries.

filterEntries

public static List<ActionDBEntry> filterEntries(Predicate pred,
 List<org.apache.commons.lang3.tuple.Pair<Predicate,ActionDBEntry>> map,
 Symbol actor)

Filter possible ActionDBEntries found for predicate

Parameters:

pred - input predicate

map - list of possible Entries

Returns:

list of ActionDBEntries

argMatches

public static boolean argMatches(ActionBinding signatureArg,
 Object inputArg)

Checks if the java class and semantic type of the input arg matches the java class and semantic type of the argument in teh DB entry signature.

Parameters:

signatureArg - argument in the signature of the db entry

inputArg - potential input argument to the DB entry

Returns:

true if the class and semantic type of the input arg match the signature arg