com.codemesh.terp.api
Interface Selector<T>

All Known Implementing Classes:

IsFileTypeExecutor, Selector.AbstractSelector

public interface Selector<T>

A filter that accepts or rejects items from a collection.

Nested Class Summary

static class

Selector.AbstractSelector<T> A baseclass for concrete selectors.

Field Summary

static java.util.List<java.lang.Object>	NO_ARGS
static java.lang.String[]	NO_PARAM_NAMES

Method Summary

java.lang.String	getItemName() Returns the name used for the item that is being tested.
java.lang.String[]	getParamNames() Returns the parameter names.
boolean	selects(T item, java.lang.Object owner) Returns true if the given item satisfies the selector's criteria.
boolean	selects(T item, java.lang.Object owner, java.util.List<java.lang.Object> args) Returns true if the given item satisfies the selector's criteria.

Field Detail

NO_ARGS

static final java.util.List<java.lang.Object> NO_ARGS

NO_PARAM_NAMES

static final java.lang.String[] NO_PARAM_NAMES

Method Detail

getItemName

java.lang.String getItemName()

Returns the name used for the item that is being tested.

Returns:

a name.

getParamNames

java.lang.String[] getParamNames()

Returns the parameter names.

Returns:

an array of names.

selects

boolean selects(T item,
                java.lang.Object owner)

Returns true if the given item satisfies the selector's criteria.

Parameters:

item - the item to test.

owner - the item's owner, i.e. the object from which items are being selected.

Returns:

true if selection criteria are met.

selects

boolean selects(T item,
                java.lang.Object owner,
                java.util.List<java.lang.Object> args)

Returns true if the given item satisfies the selector's criteria.

Parameters:

item - the item to test.

owner - the item's owner, i.e. the object from which items are being selected.

args - the arguments to be taken into account in the test. @return true if selection criteria are met.