/**
* Copyright 2006 Webmedia Group Ltd.
*
* 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 org.araneaframework.uilib.list.structure.filter.advanced;
import java.util.Map;
import org.araneaframework.backend.list.memorybased.Expression;
import org.araneaframework.backend.list.memorybased.expression.compare.EqualsExpression;
import org.araneaframework.backend.list.memorybased.expression.compare.GreaterThanExpression;
import org.araneaframework.backend.list.memorybased.expression.compare.LowerThanExpression;
import org.araneaframework.backend.list.memorybased.expression.constant.ValueExpression;
import org.araneaframework.backend.list.memorybased.expression.logical.AndExpression;
import org.araneaframework.backend.list.memorybased.expression.logical.OrExpression;
import org.araneaframework.backend.list.memorybased.expression.variable.VariableExpression;
import org.araneaframework.uilib.list.structure.ComparableType;
import org.araneaframework.uilib.list.structure.ListFilter;
public abstract class RangeInRangeFilter extends ComparableType implements ListFilter {
private static final long serialVersionUID = 1L;
private String startColumnId;
private String endColumnId;
private String startFilterInfoKey;
private String endFilterInfoKey;
protected RangeInRangeFilter(String startColumnId, String endColumnId) {
setStartColumnId(startColumnId);
setEndColumnId(endColumnId);
}
protected RangeInRangeFilter() {
// empty constructor
}
public String getEndColumnId() {
return this.endColumnId;
}
public RangeInRangeFilter setEndColumnId(String endColumnId) {
if (endColumnId == null) {
throw new RuntimeException("Column Id must be not null");
}
this.endColumnId = endColumnId;
if (this.endColumnId == null) {
this.endColumnId = endColumnId;
}
return this;
}
public String getEndFilterInfoKey() {
return this.endFilterInfoKey;
}
public RangeInRangeFilter setEndFilterInfoKey(String endFilterInfoKey) {
this.endFilterInfoKey = endFilterInfoKey;
return this;
}
public String getStartColumnId() {
return this.startColumnId;
}
public RangeInRangeFilter setStartColumnId(String startColumnId) {
if (startColumnId == null) {
throw new RuntimeException("Column Id must be not null");
}
this.startColumnId = startColumnId;
if (this.startFilterInfoKey == null) {
this.startFilterInfoKey = startColumnId;
}
return this;
}
public String getStartFilterInfoKey() {
return this.startFilterInfoKey;
}
public RangeInRangeFilter setStartFilterInfoKey(String startFilterInfoKey) {
this.startFilterInfoKey = startFilterInfoKey;
return this;
}
private void validate() {
if (this.startColumnId == null) {
throw new RuntimeException("Start Column Id must be provided");
}
if (this.endColumnId == null) {
throw new RuntimeException("End Column Id must be provided");
}
if (this.startFilterInfoKey == null) {
throw new RuntimeException("Start FilterInfo key must be provided");
}
if (this.endFilterInfoKey == null) {
throw new RuntimeException("End FilterInfo key must be provided");
}
if (this.startColumnId.equals(this.endColumnId)) {
throw new RuntimeException("Start and End Column Ids must be different");
}
if (this.startFilterInfoKey.equals(this.endFilterInfoKey)) {
throw new RuntimeException("Start and End FilterInfo keys must be different");
}
}
public Expression buildExpression(Map filterInfo) {
validate();
Expression startVar = new VariableExpression(this.startColumnId);
Expression endVar = new VariableExpression(this.endColumnId);
Expression startVal = new ValueExpression(filterInfo.get(this.startFilterInfoKey));
Expression endVal = new ValueExpression(filterInfo.get(this.endFilterInfoKey));
return buildAction(startVar, endVar, startVal, endVal);
}
protected abstract Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal);
/*
* Subclasses
*/
public static class ColumnRangeInValueRangeStrict extends RangeInRangeFilter {
private static final long serialVersionUID = 1L;
public ColumnRangeInValueRangeStrict(String startColumnId, String endColumnId) {
super(startColumnId, endColumnId);
}
public ColumnRangeInValueRangeStrict() {
super();
}
protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
return new AndExpression().add(
new GreaterThanExpression(startVar, startVal)).add(
new LowerThanExpression(endVar, endVal));
}
}
public static class ColumnRangeInValueRangeNonStrict extends RangeInRangeFilter {
private static final long serialVersionUID = 1L;
public ColumnRangeInValueRangeNonStrict(String startColumnId, String endColumnId) {
super(startColumnId, endColumnId);
}
public ColumnRangeInValueRangeNonStrict() {
super();
}
protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
AndExpression expr = new AndExpression();
expr.add(new OrExpression().add(
new GreaterThanExpression(startVar, startVal)).add(
new EqualsExpression(startVar, startVal)));
expr.add(new OrExpression().add(
new LowerThanExpression(endVar, endVal)).add(
new EqualsExpression(endVar, endVal)));
return expr;
}
}
public static class ValueRangeInColumnRangeStrict extends RangeInRangeFilter {
private static final long serialVersionUID = 1L;
public ValueRangeInColumnRangeStrict(String startColumnId, String endColumnId) {
super(startColumnId, endColumnId);
}
public ValueRangeInColumnRangeStrict() {
super();
}
protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
return new AndExpression().add(
new LowerThanExpression(startVar, startVal)).add(
new GreaterThanExpression(endVar, endVal));
}
}
public static class ValueRangeInColumnRangeNonStrict extends RangeInRangeFilter {
private static final long serialVersionUID = 1L;
public ValueRangeInColumnRangeNonStrict(String startColumnId, String endColumnId) {
super(startColumnId, endColumnId);
}
public ValueRangeInColumnRangeNonStrict() {
super();
}
protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
AndExpression expr = new AndExpression();
expr.add(new OrExpression().add(
new LowerThanExpression(startVar, startVal)).add(
new EqualsExpression(startVar, startVal)));
expr.add(new OrExpression().add(
new GreaterThanExpression(endVar, endVal)).add(
new EqualsExpression(endVar, endVal)));
return expr;
}
}
public static class RangesOverlapStrict extends RangeInRangeFilter {
private static final long serialVersionUID = 1L;
public RangesOverlapStrict(String startColumnId, String endColumnId) {
super(startColumnId, endColumnId);
}
public RangesOverlapStrict() {
super();
}
protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
return new AndExpression().add(
new LowerThanExpression(startVar, endVal)).add(
new GreaterThanExpression(endVar, startVal));
}
}
public static class RangesOverlapNonStrict extends RangeInRangeFilter {
private static final long serialVersionUID = 1L;
public RangesOverlapNonStrict(String startColumnId, String endColumnId) {
super(startColumnId, endColumnId);
}
public RangesOverlapNonStrict() {
super();
}
protected Expression buildAction(Expression startVar, Expression endVar, Expression startVal, Expression endVal) {
AndExpression expr = new AndExpression();
expr.add(new OrExpression().add(
new LowerThanExpression(startVar, endVal)).add(
new EqualsExpression(startVar, endVal)));
expr.add(new OrExpression().add(
new GreaterThanExpression(endVar, startVal)).add(
new EqualsExpression(endVar, startVal)));
return expr;
}
}
}