org.motechproject.server.service.impl.ObsPredicate.java Source code

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Here is the source code for org.motechproject.server.service.impl.ObsPredicate.java

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/**
 * MOTECH PLATFORM OPENSOURCE LICENSE AGREEMENT
 *
 * Copyright (c) 2010-11 The Trustees of Columbia University in the City of
 * New York and Grameen Foundation USA.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of Grameen Foundation USA, Columbia University, or
 * their respective contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY GRAMEEN FOUNDATION USA, COLUMBIA UNIVERSITY
 * AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GRAMEEN FOUNDATION
 * USA, COLUMBIA UNIVERSITY OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.motechproject.server.service.impl;

import java.util.Date;

import org.apache.commons.collections.Predicate;
import org.openmrs.Obs;

public class ObsPredicate implements Predicate {

    private Date minDate;
    private Date maxDate;
    private Integer value;

    public boolean evaluate(Object input) {
        if (input instanceof Obs) {
            Obs obs = (Obs) input;
            Date obsDate = obs.getObsDatetime();

            boolean afterMinDate = true;
            if (minDate != null) {
                afterMinDate = obsDate.after(minDate);
            }

            boolean beforeMaxDate = true;
            if (maxDate != null) {
                beforeMaxDate = obsDate.before(maxDate);
            }

            Double obsValue = obs.getValueNumeric();
            boolean matchingValue = true;
            if (value != null && obsValue != null) {
                matchingValue = value.intValue() == obsValue.intValue();
            }

            return afterMinDate && beforeMaxDate && matchingValue;
        }
        return false;
    }

    public Date getMinDate() {
        return minDate;
    }

    public void setMinDate(Date minDate) {
        this.minDate = minDate;
    }

    public Date getMaxDate() {
        return maxDate;
    }

    public void setMaxDate(Date maxDate) {
        this.maxDate = maxDate;
    }

    public Integer getValue() {
        return value;
    }

    public void setValue(Integer value) {
        this.value = value;
    }

}