com.nomsic.sid.Simset.java Source code

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Here is the source code for com.nomsic.sid.Simset.java

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/******************************************************************
 *  Copyright 2011 Simon Kelly
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  
 *  Simset.java
 */
package com.nomsic.sid;

import java.util.SortedSet;

import com.google.common.base.Objects;
import com.google.common.collect.Sets;

/**
 * Represents a set of records that contain one or more identical fields. The
 * number of identical fields that each record has in common is denoted by
 * fieldCount.
 * 
 * @author Simon Kelly <simon@cell-life.org>
 * 
 */
public class Simset {

    private int fieldCount = 1;

    private SortedSet<String> recordSet;

    private String toString;

    public Simset(int fieldCount, SortedSet<String> set) {
        this.recordSet = set;
        this.fieldCount = fieldCount;
    }

    public Simset(String response_id) {
        this.recordSet = Sets.newTreeSet();
        this.recordSet.add(response_id);
    }

    public void setFieldCount(int count) {
        this.fieldCount = count;
    }

    public int getFieldCount() {
        return fieldCount;
    }

    public void setRecordSet(SortedSet<String> set) {
        this.recordSet = set;
    }

    public SortedSet<String> getRecordSet() {
        return recordSet;
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(recordSet);
    }

    @Override
    public boolean equals(Object object) {
        if (object instanceof Simset) {
            Simset that = (Simset) object;
            return Objects.equal(this.recordSet, that.recordSet);
        }
        return false;
    }

    public void addRecord(String response_id) {
        this.toString = null;
        recordSet.add(response_id);
    }

    public String printRecordSet() {
        if (toString == null) {
            toString = recordSet.toString();
        }
        return toString;
    }

    @Override
    public String toString() {
        return printRecordSet() + "(" + fieldCount + ")";
    }

    public int size() {
        return recordSet.size();
    }

    public void incrementCount() {
        this.fieldCount++;
    }
}