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/*******************************************************************************
* Copyright (c) 2009, 2012 Obeo.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Obeo - completion system
*******************************************************************************/
package org.eclipse.m2m.atl.adt.ui.text.atl.types;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
/**
* The ATL Collection type.
*
* @author <a href="mailto:william.piers@obeo.fr">William Piers</a>
*/
@SuppressWarnings("serial")
public class CollectionType extends OclAnyType {
/** The singleton instance. */
private static CollectionType instance;
private static List<Operation> operations;
/** The parameter of the collection. */
protected OclAnyType parameterType;
/**
* Constructor.
*
* @param parameter
* the Collection parameter type
*/
public CollectionType(OclAnyType parameter) {
super(new OclType(computeName("Collection", parameter))); //$NON-NLS-1$
parameterType = parameter;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.m2m.atl.adt.ui.text.atl.types.OclAnyType#getSupertypes()
*/
@Override
public OclAnyType[] getSupertypes() {
return new OclAnyType[] {OclAnyType.getInstance()};
}
/**
* Returns the collection kind.
*
* @return the collection kind
*/
public String getCollectionType() {
return "Collection"; //$NON-NLS-1$
}
/**
* Returns the collection parameter type.
*
* @return the collection parameter type
*/
public OclAnyType getParameterType() {
return parameterType;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.m2m.atl.adt.ui.text.atl.types.OclAnyType#getTypeOperations()
*/
@Override
protected List<Operation> getTypeOperations() {
if (operations == null) {
operations = new ArrayList<Operation>() {
{
add(new Operation("isEmpty", getInstance(), BooleanType.getInstance())); //$NON-NLS-1$
add(new Operation("notEmpty", getInstance(), BooleanType.getInstance())); //$NON-NLS-1$
add(new Operation("size", getInstance(), IntegerType.getInstance())); //$NON-NLS-1$
add(new Operation("asSequence", getInstance(), null) { //$NON-NLS-1$
@Override
public OclAnyType getType(OclAnyType context, Object... parameters) {
if (context instanceof CollectionType) {
CollectionType collection = (CollectionType)context;
return new SequenceType(collection.getParameterType());
}
return null;
}
});
add(new Operation("asSet", getInstance(), null) { //$NON-NLS-1$
@Override
public OclAnyType getType(OclAnyType context, Object... parameters) {
if (context instanceof CollectionType) {
CollectionType collection = (CollectionType)context;
return new SetType(collection.getParameterType());
}
return null;
}
});
add(new Operation("asOrderedSet", getInstance(), null) { //$NON-NLS-1$
@Override
public OclAnyType getType(OclAnyType context, Object... parameters) {
if (context instanceof CollectionType) {
CollectionType collection = (CollectionType)context;
return new OrderedSetType(collection.getParameterType());
}
return null;
}
});
add(new Operation("asBag", getInstance(), null) { //$NON-NLS-1$
@Override
public OclAnyType getType(OclAnyType context, Object... parameters) {
if (context instanceof CollectionType) {
CollectionType collection = (CollectionType)context;
return new BagType(collection.getParameterType());
}
return null;
}
});
add(new Operation("flatten", getInstance(), null) { //$NON-NLS-1$
@Override
public OclAnyType getType(OclAnyType context, Object... parameters) {
OclAnyType type = context;
while (type instanceof CollectionType) {
type = ((CollectionType)type).getParameterType();
}
return new CollectionType(type);
}
});
add(new Operation("count", getInstance(), IntegerType.getInstance(), //$NON-NLS-1$
new HashMap<String, OclAnyType>() {
{
put("o", OclAnyType.getInstance()); //$NON-NLS-1$
}
}));
add(new Operation("sum", getInstance(), OclAnyType.getInstance())); //$NON-NLS-1$
add(new Operation("includes", getInstance(), BooleanType.getInstance(), //$NON-NLS-1$
new HashMap<String, OclAnyType>() {
{
put("o", OclAnyType.getInstance()); //$NON-NLS-1$
}
}));
add(new Operation("excludes", getInstance(), BooleanType.getInstance(), //$NON-NLS-1$
new HashMap<String, OclAnyType>() {
{
put("o", OclAnyType.getInstance()); //$NON-NLS-1$
}
}));
add(new Operation("includesAll", getInstance(), BooleanType.getInstance(), //$NON-NLS-1$
new HashMap<String, OclAnyType>() {
{
put("c", CollectionType.getInstance()); //$NON-NLS-1$
}
}));
add(new Operation("excludesAll", getInstance(), BooleanType.getInstance(), //$NON-NLS-1$
new HashMap<String, OclAnyType>() {
{
put("c", CollectionType.getInstance()); //$NON-NLS-1$
}
}));
add(new Operation("excluding", getInstance(), null, //$NON-NLS-1$
new HashMap<String, OclAnyType>() {
{
put("o", OclAnyType.getInstance()); //$NON-NLS-1$
}
}));
add(new Operation("including", getInstance(), null, //$NON-NLS-1$
new HashMap<String, OclAnyType>() {
{
put("o", OclAnyType.getInstance()); //$NON-NLS-1$
}
}));
}
};
}
return operations;
}
/**
* Computes the name of the collection with the given parameter type.
*
* @param collectionType
* the collection type (Sequence, Bag, Set, OrderedSet)
* @param parameterType
* the parameter type
* @return the computed name
*/
protected static String computeName(String collectionType, OclAnyType parameterType) {
StringBuffer buffer = new StringBuffer();
buffer.append(collectionType);
buffer.append('(');
buffer.append(parameterType.toString());
buffer.append(')');
return buffer.toString();
}
/**
* Returns the default Collection type singleton.
*
* @return the default Collection type singleton
*/
public static CollectionType getInstance() {
if (instance == null) {
instance = new CollectionType(OclAnyType.getInstance());
}
return instance;
}
}
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