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96 * This interface places no restrictions on the mutability of implementations, |
96 * This interface places no restrictions on the mutability of implementations, |
97 * however immutability is strongly recommended. |
97 * however immutability is strongly recommended. |
98 * |
98 * |
99 * @since 1.8 |
99 * @since 1.8 |
100 */ |
100 */ |
|
101 @FunctionalInterface |
101 public interface TemporalQuery<R> { |
102 public interface TemporalQuery<R> { |
102 |
103 |
103 /** |
104 /** |
104 * Queries the specified temporal object. |
105 * Queries the specified temporal object. |
105 * <p> |
106 * <p> |
126 * It may use any method on {@code TemporalAccessor} to determine the result. |
127 * It may use any method on {@code TemporalAccessor} to determine the result. |
127 * The input object must not be altered. |
128 * The input object must not be altered. |
128 * <p> |
129 * <p> |
129 * The input temporal object may be in a calendar system other than ISO. |
130 * The input temporal object may be in a calendar system other than ISO. |
130 * Implementations may choose to document compatibility with other calendar systems, |
131 * Implementations may choose to document compatibility with other calendar systems, |
131 * or reject non-ISO temporal objects by {@link Queries#chrono() querying the chronology}. |
132 * or reject non-ISO temporal objects by {@link Queries#chronology() querying the chronology}. |
132 * <p> |
133 * <p> |
133 * This method may be called from multiple threads in parallel. |
134 * This method may be called from multiple threads in parallel. |
134 * It must be thread-safe when invoked. |
135 * It must be thread-safe when invoked. |
135 * |
136 * |
136 * @param temporal the temporal object to query, not null |
137 * @param temporal the temporal object to query, not null |