Method: getState()

1: /*
2: * Copyright © 2021-2023 Fachhochschule für die Wirtschaft (FHDW) Hannover
3: *
4: * This file is part of ipspiel24-VierConnects-core.
5: *
6: * ipspiel24-VierConnects-core is free software: you can redistribute it and/or modify it under
7: * the terms of the GNU General Public License as published by the Free Software
8: * Foundation, either version 3 of the License, or (at your option) any later
9: * version.
10: *
11: * ipspiel24-VierConnects-core is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
14: * details.
15: *
16: * You should have received a copy of the GNU General Public License along with
17: * ipspiel24-VierConnects-core. If not, see <http://www.gnu.org/licenses/>.
18: */
19: package de.fhdw.gaming.ipspiel24.VierConnects.core.domain.impl;
20:
21: import java.util.List;
22: import java.util.Objects;
23: import java.util.Optional;
24:
25: import de.fhdw.gaming.ipspiel24.VierConnects.core.domain.VierConnectsField;
26: import de.fhdw.gaming.ipspiel24.VierConnects.core.domain.VierConnectsFieldState;
27: import de.fhdw.gaming.ipspiel24.VierConnects.core.domain.VierConnectsRow;
28: import de.fhdw.gaming.ipspiel24.VierConnects.core.domain.VierConnectsRowType;
29:
30: /**
31: * Implements {@link VierConnectsRow}.
32: */
33: public final class VierConnectsRowImpl implements VierConnectsRow {
34:
35: /**
36: * The type of this row.
37: */
38: private final VierConnectsRowType type;
39:
40: /**
41: * The zero-based index of this row.
42: */
43: private final int index;
44:
45: /**
46: * The fields of this row.
47: */
48: private final List<? extends VierConnectsField> fields;
49:
50: /**
51: * Creates a row.
52: *
53: * @param type The type of this row.
54: * @param index The zero-based index of this row.
55: * @param fields The fields of this row.
56: */
57: public VierConnectsRowImpl(final VierConnectsRowType type, final int index,
58: final List<? extends VierConnectsField> fields) {
59: this.type = type;
60: this.index = index;
61: this.fields = fields;
62: }
63:
64: @Override
65: public boolean equals(final Object obj) {
66: if (obj instanceof VierConnectsRowImpl) {
67: final VierConnectsRowImpl other = (VierConnectsRowImpl) obj;
68: return this.type.equals(other.type) && this.index == other.index && this.fields.equals(other.fields);
69: }
70: return false;
71: }
72:
73: @Override
74: public int hashCode() {
75: return Objects.hash(this.type, this.index, this.fields);
76: }
77:
78: @Override
79: public String toString() {
80: return String.format("%s@%d%s", this.type, this.index, this.fields);
81: }
82:
83: @Override
84: public VierConnectsRowType getType() {
85: return this.type;
86: }
87:
88: @Override
89: public int getIndex() {
90: return this.index;
91: }
92:
93: @Override
94: public List<? extends VierConnectsField> getFields() {
95: return this.fields;
96: }
97: // Old version of TicTacToe
98: // @Override
99: // public Optional<VierConnectsFieldState> getState() {
100: // VierConnectsFieldState lastState = null;
101: // for (final VierConnectsField field : this.fields) {
102: // if (lastState == null) {
103: // lastState = field.getState();
104: // } else if (!lastState.equals(field.getState())) {
105: // return Optional.empty();
106: // }
107: // }
108: // return Optional.ofNullable(lastState); // may be empty if row is
109: // }
110:
111: @Override
112: public Optional<VierConnectsFieldState> getState() {
113: VierConnectsFieldState lastState = null;
114: int count = 0;
115:• for (final VierConnectsField field : this.fields) {
116:• if (lastState == null) {
117: lastState = field.getState();
118:• } else if (!lastState.equals(field.getState())) {
119: lastState = field.getState();
120: count = 0;
121: }
122: count++;
123:• if (count >= 4 && !lastState.equals(VierConnectsFieldState.EMPTY)) {
124: return Optional.ofNullable(lastState);
125: }
126: }
127: return Optional.empty();
128: }
129: }