/******************************************************************************* | |
* Copyright (c) 2008 The University of York. | |
* This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License 2.0 | |
* which is available at https://www.eclipse.org/legal/epl-2.0/ | |
* | |
* Contributors: | |
* Dimitrios Kolovos - initial API and implementation | |
******************************************************************************/ | |
package org.eclipse.epsilon.eol.models; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.List; | |
import org.eclipse.epsilon.common.util.CollectionUtil; | |
import org.eclipse.epsilon.common.util.StringProperties; | |
import org.eclipse.epsilon.eol.compile.m3.Metamodel; | |
import org.eclipse.epsilon.eol.exceptions.EolRuntimeException; | |
import org.eclipse.epsilon.eol.exceptions.models.EolModelElementTypeNotFoundException; | |
import org.eclipse.epsilon.eol.exceptions.models.EolModelLoadingException; | |
import org.eclipse.epsilon.eol.exceptions.models.EolNotInstantiableModelElementTypeException; | |
import org.eclipse.epsilon.eol.execute.introspection.IPropertyGetter; | |
import org.eclipse.epsilon.eol.execute.introspection.IPropertySetter; | |
import org.eclipse.epsilon.eol.execute.introspection.java.JavaPropertyGetter; | |
import org.eclipse.epsilon.eol.execute.introspection.java.JavaPropertySetter; | |
import org.eclipse.epsilon.eol.models.transactions.IModelTransactionSupport; | |
import org.eclipse.epsilon.eol.models.transactions.NoModelTransactionSupport; | |
public abstract class Model implements IModel { | |
public static final String PROPERTY_NAME = "name"; | |
public static final String PROPERTY_READONLOAD = "readOnLoad"; | |
public static final String PROPERTY_STOREONDISPOSAL = "storeOnDisposal"; | |
public static final String PROPERTY_ALIASES = "aliases"; | |
/** | |
* Indicates that the model will not be modified. | |
* @since 1.6 | |
*/ | |
public static final String PROPERTY_READONLY = "readOnly"; | |
/** | |
* Used for acquiring properties externally (e.g. from environment variables) | |
* @since 1.6 | |
*/ | |
protected static final String ENV_PREFIX = "org.eclipse.epsilon.emc."; | |
protected String name; | |
protected List<String> aliases = new ArrayList<>(1); | |
protected boolean storeOnDisposal = false; | |
protected boolean readOnLoad = true; | |
@Override | |
public String getName() { | |
return name; | |
} | |
@Override | |
public void setName(String name) { | |
this.name = name; | |
} | |
@Override | |
public List<String> getAliases() { | |
return aliases; | |
} | |
@Override | |
public void load(StringProperties properties, String basePath) throws EolModelLoadingException { | |
load(properties, relativePath -> basePath + relativePath); | |
} | |
@Override | |
public void load(StringProperties properties) throws EolModelLoadingException { | |
load(properties, relativePath -> relativePath); | |
} | |
@Override | |
public void load(StringProperties properties, IRelativePathResolver resolver) throws EolModelLoadingException { | |
setName(properties.getProperty(PROPERTY_NAME, name)); | |
setReadOnLoad(properties.getBooleanProperty(PROPERTY_READONLOAD, readOnLoad)); | |
setStoredOnDisposal(properties.getBooleanProperty(PROPERTY_STOREONDISPOSAL, storeOnDisposal)); | |
if (properties.hasProperty(PROPERTY_ALIASES)) { | |
String[] aliases = properties.getProperty(PROPERTY_ALIASES).split(","); | |
CollectionUtil.addCapacityIfArrayList(this.aliases, aliases.length); | |
for (String alias : aliases) { | |
this.aliases.add(alias.trim()); | |
} | |
} | |
} | |
@Override | |
public Object createInstance(String type, Collection<Object> parameters) | |
throws EolModelElementTypeNotFoundException, | |
EolNotInstantiableModelElementTypeException { | |
return createInstance(type); | |
} | |
public Collection<?> allInstances() { | |
return allContents(); | |
} | |
@Override | |
public boolean isOfKind(Object instance, String metaClass) throws EolModelElementTypeNotFoundException { | |
Collection<?> allOfKind = getAllOfKind(metaClass); | |
return allOfKind != null && allOfKind.contains(instance); | |
} | |
@Override | |
public boolean isOfType(Object instance, String metaClass) throws EolModelElementTypeNotFoundException { | |
Collection<?> allOfClass = getAllOfType(metaClass); | |
return allOfClass != null && allOfClass.contains(instance); | |
} | |
@Override | |
public String getFullyQualifiedTypeNameOf(Object instance) { | |
return getTypeNameOf(instance); | |
} | |
@Override | |
public boolean isModelElement(Object instance) { | |
return owns(instance); | |
} | |
@Override | |
public Object getTypeOf(Object instance) { | |
return null; | |
} | |
@Override | |
public boolean isReadOnLoad() { | |
return readOnLoad; | |
} | |
@Override | |
public boolean isStoredOnDisposal() { | |
return storeOnDisposal; | |
} | |
@Override | |
public void setReadOnLoad(boolean readOnLoad) { | |
this.readOnLoad = readOnLoad; | |
} | |
@Override | |
public void setStoredOnDisposal(boolean storedOnDisposal) { | |
this.storeOnDisposal = storedOnDisposal; | |
} | |
@Override | |
public IPropertyGetter getPropertyGetter() { | |
return new JavaPropertyGetter(); | |
} | |
@Override | |
public IPropertySetter getPropertySetter() { | |
return new JavaPropertySetter(); | |
} | |
@Override | |
public void dispose() { | |
if (isStoredOnDisposal()) { | |
store(); | |
} | |
} | |
@Override | |
public boolean knowsAboutProperty(Object instance, String property) { | |
return owns(instance); | |
} | |
NoModelTransactionSupport transactionSupport = new NoModelTransactionSupport(); | |
@Override | |
public IModelTransactionSupport getTransactionSupport() { | |
return transactionSupport; | |
} | |
@Override | |
public Metamodel getMetamodel(StringProperties properties, IRelativePathResolver resolver) { | |
return null; | |
} | |
@Override | |
public boolean isPropertySet(Object instance, String property) throws EolRuntimeException { | |
return getPropertyGetter().invoke(instance, property) != null; | |
} | |
} |