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Diffstat (limited to 'utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/CondExp.java')
-rw-r--r-- | utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/CondExp.java | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/CondExp.java b/utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/CondExp.java new file mode 100644 index 00000000000..2c08c850bf3 --- /dev/null +++ b/utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/CondExp.java @@ -0,0 +1,98 @@ +/* + * Copyright Dept. of Mathematics & Computer Science Univ. Paris-Descartes + * + * This software is governed by the CeCILL license under French law and + * abiding by the rules of distribution of free software. You can use, + * modify and/ or redistribute the software under the terms of the CeCILL + * license as circulated by CEA, CNRS and INRIA at the following URL + * "http://www.cecill.info". + * + * As a counterpart to the access to the source code and rights to copy, + * modify and redistribute granted by the license, users are provided only + * with a limited warranty and the software's author, the holder of the + * economic rights, and the successive licensors have only limited + * liability. + * + * In this respect, the user's attention is drawn to the risks associated + * with loading, using, modifying and/or developing or reproducing the + * software by the user in light of its specific status of free software, + * that may mean that it is complicated to manipulate, and that also + * therefore means that it is reserved for developers and experienced + * professionals having in-depth computer knowledge. Users are therefore + * encouraged to load and test the software's suitability as regards their + * requirements in conditions enabling the security of their systems and/or + * data to be ensured and, more generally, to use and operate it in the + * same conditions as regards security. + * + * The fact that you are presently reading this means that you have had + * knowledge of the CeCILL license and that you accept its terms. + */ + +package pddl4j.exp.cond; + +import pddl4j.exp.AbstractExp; +import pddl4j.exp.ExpID; + +/** + * This abstract class defines a conditional expression of the pddl language. + * + * @author Damien Pellier + * @version 1.0 + */ +public abstract class CondExp extends AbstractExp { + + /** + * The condition of this conditional expression. + */ + private Condition condition; + + /** + * Creates a new conditional expression with a specified condition. + * + * @param cond the condition of this expression. + * @throws NullPointerException if <code>condition == null</code>. + */ + protected CondExp(Condition cond) { + super(ExpID.COND_EXP); + this.condition = cond; + } + + /** + * Returns the condition of this conditional expression. + * + * @return the condition of this conditional expression. + */ + public final Condition getCondition() { + return this.condition; + } + + /** + * Returns <code>true</code> if this conditional expression is equal to an + * other object. This method returns <code>true</code> if the object is a + * not null instance of the class <code>CondExp</code> and both + * conditional expression have the same condition. + * + * @param obj the object to be compared. + * @return <code>true</code> if this conditional expression is equal to an + * other object; <code>false</code> otherwise. + */ + public boolean equals(Object obj) { + if (obj != null && obj instanceof CondExp) { + CondExp other = (CondExp) obj; + return this.condition.equals(other.condition); + } + return false; + } + + /** + * Returns a hash code value for the conditional expression. This method is + * supported for the benefit of hash tables such as those provided by + * <code>java.util.Hashtable</code>. + * + * @return a hash code value for the conditional expression. + */ + public int hashCode() { + return super.hashCode() + this.condition.hashCode(); + } + +} |