/**
* <copyright> </copyright>
*
* $Id$
*/
package org.talend.dataquality.indicators.impl;
import java.math.BigDecimal;
import org.apache.log4j.Logger;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.talend.dataquality.indicators.IndicatorValueType;
import org.talend.dataquality.indicators.IndicatorsPackage;
import org.talend.dataquality.indicators.SumIndicator;
/**
* <!-- begin-user-doc --> An implementation of the model object '<em><b>Sum Indicator</b></em>'. <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.talend.dataquality.indicators.impl.SumIndicatorImpl#getSumStr <em>Sum Str</em>}</li>
* <li>{@link org.talend.dataquality.indicators.impl.SumIndicatorImpl#getDatatype <em>Datatype</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class SumIndicatorImpl extends IndicatorImpl implements SumIndicator {
private static Logger log = Logger.getLogger(SumIndicatorImpl.class);
/**
* The default value of the '{@link #getSumStr() <em>Sum Str</em>}' attribute.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @see #getSumStr()
* @generated
* @ordered
*/
protected static final String SUM_STR_EDEFAULT = null;
/**
* The cached value of the '{@link #getSumStr() <em>Sum Str</em>}' attribute.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @see #getSumStr()
* @generated
* @ordered
*/
protected String sumStr = SUM_STR_EDEFAULT;
/**
* The default value of the '{@link #getDatatype() <em>Datatype</em>}' attribute.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @see #getDatatype()
* @generated
* @ordered
*/
protected static final int DATATYPE_EDEFAULT = 0;
/**
* The cached value of the '{@link #getDatatype() <em>Datatype</em>}' attribute.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @see #getDatatype()
* @generated
* @ordered
*/
protected int datatype = DATATYPE_EDEFAULT;
/**
* MOD msjian 2012-8-31 TDQ-5960: use BigDecimal to make the number more bigger. because when the database is Db2,
* the sum result is incorrect when the number is bigger than Integer.MAX_VALUE
*/
protected class GenericSum {
public BigDecimal sum = new BigDecimal("0");
public void sumObject(Object object) {
BigDecimal obj = new BigDecimal(String.valueOf(object).trim());
sum = sum.add(obj);
}
public void reset() {
this.sum = new BigDecimal("0");
}
public String getAsString() {
return this.sum.toString();
}
public BigDecimal getMean(long count) {
if (this.sum != null) {
if (count <= 0) {
return null;
}
return this.sum.divide(BigDecimal.valueOf(count));
}
return null;
}
}
protected GenericSum genericSum;
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected SumIndicatorImpl() {
super();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return IndicatorsPackage.Literals.SUM_INDICATOR;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public String getSumStr() {
return sumStr;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void setSumStr(String newSumStr) {
String oldSumStr = sumStr;
sumStr = newSumStr;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, IndicatorsPackage.SUM_INDICATOR__SUM_STR, oldSumStr, sumStr));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public int getDatatype() {
return datatype;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void setDatatype(int newDatatype) {
int oldDatatype = datatype;
datatype = newDatatype;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, IndicatorsPackage.SUM_INDICATOR__DATATYPE, oldDatatype, datatype));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case IndicatorsPackage.SUM_INDICATOR__SUM_STR:
return getSumStr();
case IndicatorsPackage.SUM_INDICATOR__DATATYPE:
return getDatatype();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case IndicatorsPackage.SUM_INDICATOR__SUM_STR:
setSumStr((String)newValue);
return;
case IndicatorsPackage.SUM_INDICATOR__DATATYPE:
setDatatype((Integer)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case IndicatorsPackage.SUM_INDICATOR__SUM_STR:
setSumStr(SUM_STR_EDEFAULT);
return;
case IndicatorsPackage.SUM_INDICATOR__DATATYPE:
setDatatype(DATATYPE_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case IndicatorsPackage.SUM_INDICATOR__SUM_STR:
return SUM_STR_EDEFAULT == null ? sumStr != null : !SUM_STR_EDEFAULT.equals(sumStr);
case IndicatorsPackage.SUM_INDICATOR__DATATYPE:
return datatype != DATATYPE_EDEFAULT;
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public String toString() {
if (eIsProxy()) return super.toString();
StringBuffer result = new StringBuffer(super.toString());
result.append(" (sumStr: ");
result.append(sumStr);
result.append(", datatype: ");
result.append(datatype);
result.append(')');
return result.toString();
}
/*
* (non-Javadoc) ADDED scorreia 2008-04-08 handle object
*
* @see org.talend.dataquality.indicators.impl.IndicatorImpl#handle(java.lang.Object)
*/
@Override
public boolean handle(Object data) {
boolean handled = super.handle(data);
if (!handled) {
return handled;
}
return handleGenericSum(data);
}
protected boolean handleGenericSum(Object data) {
boolean handled = Boolean.TRUE;
if (data == null) {
// TODO scorreia handle null values !!!
return false;
}
// assert data instanceof Integer : "Sum indicator wants integer data, got: " + data;
getGenericSum().sumObject(data);
return handled;
}
/**
* DOC scorreia Comment method "getGenericSum".
*
* @return
*/
private GenericSum getGenericSum() {
if (genericSum == null) {
genericSum = new GenericSum();
}
return genericSum;
}
/*
* (non-Javadoc) ADDED scorreia 2008-04-08 finalizeComputation
*
* @see org.talend.dataquality.indicators.impl.IndicatorImpl#finalizeComputation()
*/
@Override
public boolean finalizeComputation() {
if (genericSum != null) {
this.sumStr = genericSum.getAsString();
} else {
this.sumStr = String.valueOf(Double.NaN);
}
// get the correct type of result from the analyzed element
int javaType = this.getColumnType();
this.setDatatype(javaType);
return super.finalizeComputation();
}
/*
* (non-Javadoc)
*
* @see org.talend.dataquality.indicators.impl.IndicatorImpl#getRealValue()
*
* ADDED scorreia 2008-05-12 getRealValue()
*/
@Override
public Double getRealValue() {
if (this.getSumStr() == null) {
log.warn(this.toString() + " has a null sum.");
return null;
}
return Double.valueOf(this.getSumStr());
}
/*
* (non-Javadoc)
*
* @see org.talend.dataquality.indicators.impl.IndicatorImpl#getValueType()
*
* ADDED scorreia 2008-05-12 getValueType()
*/
@Override
public IndicatorValueType getValueType() {
return IndicatorValueType.REAL_VALUE;
}
@Override
public boolean reset() {
if (genericSum != null) {
this.genericSum.reset();
}
this.sumStr = SUM_STR_EDEFAULT;
this.computed = COMPUTED_EDEFAULT;
return super.reset();
}
} // SumIndicatorImpl