* Thrown when an attempt is made to change the value of a model element that is not writable at the time.
 */
@Incubating
public class ReadOnlyModelViewException extends GradleException {
    public ReadOnlyModelViewException(String message) {
        super(message);
    }

    public ReadOnlyModelViewException(ModelPath path, ModelType<?> type, ModelRuleDescriptor ruleDescriptor) {
        super(createMessage("read only", path, type, ruleDescriptor));

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.model.internal.manage.projection

import org.gradle.model.ReadOnlyModelViewException
import org.gradle.model.internal.core.ModelPath
import org.gradle.model.internal.core.ModelReference
import org.gradle.model.internal.core.ModelRegistrations

 */

package org.gradle.model.internal.core;

import javax.annotation.concurrent.NotThreadSafe;
import org.gradle.api.Action;
import org.gradle.model.ModelViewClosedException;
import org.gradle.model.ReadOnlyModelViewException;
import org.gradle.model.WriteOnlyModelViewException;
import org.gradle.model.internal.core.rule.describe.ModelRuleDescriptor;
import org.gradle.model.internal.type.ModelType;

@NotThreadSafe

 * limitations under the License.
 */

package org.gradle.model.internal.manage.projection

import org.gradle.model.Managed
import org.gradle.model.ModelSet
import org.gradle.model.ReadOnlyModelViewException
import org.gradle.model.internal.core.ModelPath
import org.gradle.model.internal.core.ModelReference
import org.gradle.model.internal.core.ModelRegistrations

 * Such as when an anonymous inner class or closure “closes over” the subject.
 */
@Incubating
public class ModelViewClosedException extends ReadOnlyModelViewException {
    public ModelViewClosedException(ModelPath path, ModelType<?> type, ModelRuleDescriptor ruleDescriptor) {
        super(createMessage("closed", path, type, ruleDescriptor));
    }

    }

    def "cannot add when realized"() {
        when:
        realizeAsModelMap().create("foo")

        then:
        thrown ReadOnlyModelViewException
    }

    def "is managed instance"() {
        when:
        mutate {
            assert it instanceof ManagedInstance