com.tcdng.jacklyn.workflow.business.AbstractWfItemClassifierLogic Maven / Gradle / Ivy
/*
* Copyright 2018-2019 The Code Department.
*
* 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.
*/
package com.tcdng.jacklyn.workflow.business;
import java.util.Date;
import com.tcdng.jacklyn.workflow.data.WfDocClassifierFilterDef;
import com.tcdng.unify.core.AbstractUnifyComponent;
import com.tcdng.unify.core.UnifyException;
import com.tcdng.unify.core.util.DataUtils;
/**
* Convenient abstract base class for workflow item classifier.
*
* @author Lateef Ojulari
* @since 1.0
*/
public abstract class AbstractWfItemClassifierLogic extends AbstractUnifyComponent implements WfItemClassifierLogic {
@Override
protected void onInitialize() throws UnifyException {
}
@Override
protected void onTerminate() throws UnifyException {
}
/**
* Applies filter to workflow item.
*
* @param wfItemReader
* the workflow item reader
* @param filter
* to filter to apply
* @return a true value if filtered otherwise false
* @throws UnifyException
* if an error occurs
*/
protected boolean applyFilter(WfItemReader wfItemReader, WfDocClassifierFilterDef filter) throws UnifyException {
if (wfItemReader != null) {
Object fieldValue = wfItemReader.readFieldValue(filter.getFieldName());
Object limVal1 = getCalcValue(wfItemReader, filter, filter.getValue1());
switch (filter.getOp()) {
case BETWEEN:
if (fieldValue != null) {
double dblFieldVal = ((Number) fieldValue).doubleValue();
return dblFieldVal >= ((Number) limVal1).doubleValue()
&& dblFieldVal <= ((Number) getCalcValue(wfItemReader, filter, filter.getValue2()))
.doubleValue();
}
break;
case EQUALS:
return limVal1.equals(fieldValue);
case GREATER:
if (fieldValue != null) {
return ((Number) fieldValue).doubleValue() > ((Number) limVal1).doubleValue();
}
break;
case GREATER_OR_EQUAL:
if (fieldValue != null) {
return ((Number) fieldValue).doubleValue() >= ((Number) limVal1).doubleValue();
}
break;
case IS_NOT_NULL:
return fieldValue != null;
case IS_NULL:
return fieldValue == null;
case LESS_OR_EQUAL:
if (fieldValue != null) {
return ((Number) fieldValue).doubleValue() <= ((Number) limVal1).doubleValue();
}
break;
case LESS:
if (fieldValue != null) {
return ((Number) fieldValue).doubleValue() < ((Number) limVal1).doubleValue();
}
break;
case LIKE:
if (fieldValue != null) {
return ((String) fieldValue).indexOf((String) limVal1) >= 0;
}
break;
case LIKE_BEGIN:
if (fieldValue != null) {
return ((String) fieldValue).startsWith((String) limVal1);
}
break;
case LIKE_END:
if (fieldValue != null) {
return ((String) fieldValue).endsWith((String) limVal1);
}
break;
case NOT_BETWEEN:
if (fieldValue != null) {
double dblFieldVal = ((Number) fieldValue).doubleValue();
return dblFieldVal < ((Number) limVal1).doubleValue()
|| dblFieldVal > ((Number) getCalcValue(wfItemReader, filter, filter.getValue2()))
.doubleValue();
}
break;
case NOT_EQUAL:
return !limVal1.equals(fieldValue);
case NOT_LIKE:
if (fieldValue != null) {
return ((String) fieldValue).indexOf((String) limVal1) < 0;
}
break;
case NOT_LIKE_BEGIN:
if (fieldValue != null) {
return !((String) fieldValue).startsWith((String) limVal1);
}
break;
case NOT_LIKE_END:
if (fieldValue != null) {
return !((String) fieldValue).endsWith((String) limVal1);
}
break;
default:
break;
}
}
return false;
}
private Object getCalcValue(WfItemReader wfItemReader, WfDocClassifierFilterDef filter, String value)
throws UnifyException {
Object val = null;
if (filter.isFieldOnly()) {
val = wfItemReader.readFieldValue(value);
} else {
Class fieldType = wfItemReader.getFieldType(filter.getFieldName());
val = DataUtils.convert(fieldType, value, null);
}
if (val instanceof Date) {
val = ((Date) val).getTime();
}
return val;
}
}