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Diffstat (limited to 'utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/HoldDuringExp.java')
| -rw-r--r-- | utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/HoldDuringExp.java | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/HoldDuringExp.java b/utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/HoldDuringExp.java new file mode 100644 index 00000000000..72a2c2c9f30 --- /dev/null +++ b/utils/PDDLtoSANetTranslator/PDDLParser/src/pddl4j/exp/cond/HoldDuringExp.java @@ -0,0 +1,244 @@ +/* + * 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 java.util.Map; +import java.util.LinkedHashMap; + +import pddl4j.exp.Exp; +import pddl4j.exp.fexp.Number; +import pddl4j.exp.term.Substitution; + +/** + * This class implements an "hold-during" conditional expression of the PDDL + * language. + * + * @author Damien Pellier + * @version 1.0 + */ +public class HoldDuringExp extends UnaryCondExp { + + /** + * The serial version id of the class. + */ + private static final long serialVersionUID = -8736698454531582219L; + + /** + * The lower bound of the time interval. + */ + private Number lts; + + /** + * The upper bound of the time interval. + */ + private Number uts; + + /** + * Creates a new conditional "hold-during" expression holding in a specific + * time interval. + * + * @param lts the lower bound of the time interval. The time stamp must be a + * not null reference and its value must be greater than 0. + * @param uts the upper bound of the time interval. The time stamp must be a + * not null reference and its value must be greater than 0. + * @param arg the expression. The expression must be a not null reference. + */ + public HoldDuringExp(Number lts, Number uts, Exp arg) { + super(Condition.HOLD_DURING, arg); + this.lts = lts; + this.uts = uts; + } + + /** + * Sets a new lower time stamp bound of this this "hold-during" conditional + * expression. + * + * @param lts the lower new time stamp bound of this this "hold-during" + * conditional expression to set. The time stamp must be a not + * null reference and its value must be greater than 0. + */ + public final void setLowerTimeStamp(Number lts) { + this.lts = lts; + } + + /** + * Returns the lower time stamp bound of this this "hold-during" conditional + * expression. + * + * @return the lower time stamp bound of this this "hold-during" conditional + * expression. + */ + public final Number getLowerTimeStamp() { + return this.lts; + } + + /** + * Sets a new upper time stamp bound of this this "hold-during" conditional + * expression. + * + * @param uts the upper new time stamp bound of this this "hold-during" + * conditional expression to set. The time stamp must be a not + * null reference and its value must be greater than 0. + */ + public final void setUpperTimeStamp(Number uts) { + this.uts = uts; + } + + /** + * Returns the upper time stamp bound of this this "hold-during" conditional + * expression. + * + * @return the upper time stamp bound of this this "hold-during" conditional + * expression. + */ + public final Number getUpperTimeStamp() { + return this.uts; + } + + /** + * Substitutes all occurrences of the variables that occur in this + * expression and that are mapped in the substitution by its binding + * term. + * + * @param sigma the substitution. + * @return a substituted copy of this expression. + * @throws NullPointerException if <code>sigma == null</code>. + */ + public HoldDuringExp apply(Substitution sigma) { + return (HoldDuringExp) super.apply(sigma); + } + + /** + * Standardizes all occurrences of the variables that occur in this + * expression. Remember that free variables are existentially quantified. + * + * @return a standardized copy of this expression. + */ + public HoldDuringExp standardize() { + return this.standardize(new LinkedHashMap<String, String>()); + } + + /** + * Standardizes all occurrences of the variables that occur in this + * expression. The map argument is used to store the variable already + * standardized. Remember that free variables are existentially quantified. + * + * @param images the object that maps old variable images to the standardize + * image. + * @return a standardized copy of this expression. + * @throws NullPointerException if <code>images == null</code>. + */ + public HoldDuringExp standardize(Map<String, String> images) { + return (HoldDuringExp) super.standardize(images); + } + + /** + * Returns <code>true</code> if this "hold-during" conditional expression + * is equal to an other object, i.e., if the object is a not null reference + * to an instance of the class <code>HoldDuringExp</code> and both + * "hold-during" conditional expressions have the same expression and the + * same time stamp interval. + * + * @param obj the object to compare. + * @return <code>true</code> if this "hold-during" conditional expression + * is equal to an other object; <code>false</code> otherwise. + */ + public boolean equals(Object obj) { + if (obj != null && obj instanceof HoldDuringExp) { + HoldDuringExp other = (HoldDuringExp) obj; + return super.equals(obj) + && this.lts.equals(other.lts) + && this.uts.equals(other.uts); + } + return false; + } + + /** + * Returns the hash code value of this "hold-during" conditional expression. + * + * @return the hash code value of this "hold-during" conditional expression. + */ + public int hashCode() { + return super.hashCode() + this.lts.hashCode() + this.uts.hashCode(); + } + + /** + * Creates and returns a copy of this expression. + * + * @return a clone of this expression instance. + * @see pddl4j.exp.Exp#clone() + */ + public HoldDuringExp clone() { + HoldDuringExp other = (HoldDuringExp) super.clone(); + other.lts = this.lts.clone(); + other.uts = this.uts.clone(); + return other; + } + + /** + * Returns a string representation of this "hold-during" conditional + * expression. + * + * @return a string representation of this "hold-during" conditional + * expression. + */ + public String toString() { + StringBuffer str = new StringBuffer(); + str.append("(hold-during "); + str.append(this.lts.toString()); + str.append(" "); + str.append(this.uts.toString()); + str.append(" "); + str.append(this.getArg().toString()); + str.append(")"); + return str.toString(); + } + + /** + * Returns a typed string representation of this "hold-during" conditional + * expression. + * + * @return a typed string representation of this "hold-during" conditional + * expression. + */ + public String toTypedString() { + StringBuffer str = new StringBuffer(); + str.append("(hold-during "); + str.append(this.lts.toTypedString()); + str.append(" "); + str.append(this.uts.toTypedString()); + str.append(" "); + str.append(this.getArg().toTypedString()); + str.append(")"); + return str.toString(); + } + +} |