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Last change
on this file since 17765 was 10600, checked in by Don-vip, 8 years ago |
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see #11390 - sonar - squid:S1609 - Java 8: @FunctionalInterface annotation should be used to flag Single Abstract Method interfaces
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File size:
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| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.gui.mappaint.mapcss;
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| 3 |
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| 4 | import org.openstreetmap.josm.gui.mappaint.Environment;
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| 5 |
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| 6 | /**
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| 7 | * A MapCSS Expression.
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| 8 | *
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| 9 | * Can be evaluated in a certain {@link Environment}. Usually takes
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| 10 | * parameters, that are also Expressions and have to be evaluated first.
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| 11 | * @since 3848 (creation)
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| 12 | * @since 10600 (functional interface)
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| 13 | */
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| 14 | @FunctionalInterface
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| 15 | public interface Expression {
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| 16 | /**
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| 17 | * Evaluate this expression.
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| 18 | * @param env The environment
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| 19 | * @return the result of the evaluation, can be a {@link java.util.List}, String or any
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| 20 | * primitive type or wrapper classes of a primitive type.
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| 21 | */
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| 22 | Object evaluate(Environment env);
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| 23 | }
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