Method: run()

1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.role.impl;
27:
28: import javax.annotation.Nonnull;
29: import java.util.ArrayList;
30: import java.util.Collection;
31: import java.util.List;
32: import it.tidalwave.util.As;
33: import it.tidalwave.util.RoleFactory;
34: import it.tidalwave.util.Task;
35: import it.tidalwave.role.spi.OwnerRoleFactory;
36: import it.tidalwave.role.spi.SystemRoleFactory;
37: import lombok.extern.slf4j.Slf4j;
38: import static it.tidalwave.util.ShortNames.*;
39:
40: /***************************************************************************************************************************************************************
41: *
42: * An implementation for {@link As} based on Spring.
43: *
44: * @author Fabrizio Giudici
45: *
46: **************************************************************************************************************************************************************/
47: @Slf4j
48: class DefaultOwnerRoleFactory implements OwnerRoleFactory
49: {
50: @Nonnull
51: private final Object owner;
52:
53: private final ContextSnapshot contextSnapshot;
54:
55: /***********************************************************************************************************************************************************
56: * Constructor for use with composition.
57: *
58: * @param owner the owner object
59: **********************************************************************************************************************************************************/
60: public DefaultOwnerRoleFactory (@Nonnull final Object owner)
61: {
62: this.owner = owner;
63: contextSnapshot = new ContextSnapshot(owner);
64: }
65:
66: /***********************************************************************************************************************************************************
67: * {@inheritDoc}
68: **********************************************************************************************************************************************************/
69: @Override @Nonnull @SuppressWarnings("unchecked")
70: public <T> Collection<T> findRoles (@Nonnull final Class<? extends T> roleType)
71: {
72: log.trace("as({}) for {}", shortName(roleType), shortId(owner));
73: log.trace(">>>> contexts: {}", contextSnapshot);
74: final var systemRoleFactory = SystemRoleFactory.getInstance();
75:
76: final List<T> roles = new ArrayList<>(contextSnapshot.runWithContexts(new Task<List<? extends T>, RuntimeException>()
77: {
78: @Override @Nonnull
79: public List<? extends T> run ()
80: {
81: final List<T> systemRoles = systemRoleFactory.findRoles(owner, roleType);
82:
83:• for (final var roleFactory : systemRoleFactory.findRoles(owner, RoleFactory.class))
84: {
85:• if (roleType.isAssignableFrom(roleFactory.getRoleType()))
86: {
87: ((RoleFactory<Object, T>)roleFactory).createRoleFor(owner).ifPresent(systemRoles::add);
88: }
89: }
90:
91: return systemRoles;
92: }
93: }));
94:
95: if (roleType.isAssignableFrom(owner.getClass()))
96: {
97: roles.add(roleType.cast(owner));
98: }
99:
100: log.trace(">>>> as() returning {}", shortIds(roles));
101:
102: return roles;
103: }
104: }