com.graphaware.nlp.processor.PhraseHolder Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of nlp Show documentation
GraphAware Framework Module for adding NLP capabilities to Neo4j.
There is a newer version: 3.5.4.53.18
/*
 * Copyright (c) 2013-2018 GraphAware
 *
 * This file is part of the GraphAware Framework.
 *
 * GraphAware Framework is free software: you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation, either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of
 * the GNU General Public License along with this program.  If not, see
 * .
 */
package com.graphaware.nlp.processor;

public class PhraseHolder implements Comparable {

        private StringBuilder sb;
        private int beginPosition;
        private int endPosition;

        public PhraseHolder() {
            reset();
        }

        public String getPhrase() {
            if (sb == null) {
                return " - ";
            }
            return sb.toString();
        }

        public int getBeginPosition() {
            return beginPosition;
        }

        public int getEndPosition() {
            return endPosition;
        }

        public void updatePhrase(String tknStr) {
            this.sb.append(tknStr);
        }

        public void setBeginPosition(int beginPosition) {
            if (this.beginPosition < 0) {
                this.beginPosition = beginPosition;
            }
        }

        public void setEndPosition(int endPosition) {
            this.endPosition = endPosition;
        }

        public final void reset() {
            sb = new StringBuilder();
            beginPosition = -1;
            endPosition = -1;
        }

        @Override
        public boolean equals(Object o) {
            if (!(o instanceof PhraseHolder)) {
                return false;
            }
            PhraseHolder otherObject = (PhraseHolder) o;
            if (this.sb != null
                    && otherObject.sb != null
                    && this.sb.toString().equals(otherObject.sb.toString())
                    && this.beginPosition == otherObject.beginPosition
                    && this.endPosition == otherObject.endPosition) {
                return true;
            }
            return false;
        }

        @Override
        public int compareTo(PhraseHolder o) {
            if (o == null) {
                return 1;
            }
            if (this.equals(o)) {
                return 0;
            } else if (this.beginPosition > o.beginPosition) {
                return 1;
            } else if (this.beginPosition == o.beginPosition) {
                if (this.endPosition > o.endPosition) {
                    return 1;
                }
            }
            return -1;
        }
    }