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/*
* Copyright 2022 Anton Tananaev (anton@traccar.org)
*
* 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.traccar.storage.query;
import org.traccar.model.GroupedModel;
import java.util.List;
public interface Condition {
static Condition merge(List<Condition> conditions) {
Condition result = null;
var iterator = conditions.iterator();
if (iterator.hasNext()) {
result = iterator.next();
while (iterator.hasNext()) {
result = new Condition.And(result, iterator.next());
}
}
return result;
}
class Equals extends Compare {
public Equals(String column, String variable) {
this(column, variable, null);
}
public Equals(String column, String variable, Object value) {
super(column, "=", variable, value);
}
}
class Compare implements Condition {
private final String column;
private final String operator;
private final String variable;
private final Object value;
public Compare(String column, String operator, String variable, Object value) {
this.column = column;
this.operator = operator;
this.variable = variable;
this.value = value;
}
public String getColumn() {
return column;
}
public String getOperator() {
return operator;
}
public String getVariable() {
return variable;
}
public Object getValue() {
return value;
}
}
class Between implements Condition {
private final String column;
private final String fromVariable;
private final Object fromValue;
private final String toVariable;
private final Object toValue;
public Between(String column, String fromVariable, Object fromValue, String toVariable, Object toValue) {
this.column = column;
this.fromVariable = fromVariable;
this.fromValue = fromValue;
this.toVariable = toVariable;
this.toValue = toValue;
}
public String getColumn() {
return column;
}
public String getFromVariable() {
return fromVariable;
}
public Object getFromValue() {
return fromValue;
}
public String getToVariable() {
return toVariable;
}
public Object getToValue() {
return toValue;
}
}
class Or extends Binary {
public Or(Condition first, Condition second) {
super(first, second, "OR");
}
}
class And extends Binary {
public And(Condition first, Condition second) {
super(first, second, "AND");
}
}
class Binary implements Condition {
private final Condition first;
private final Condition second;
private final String operator;
public Binary(Condition first, Condition second, String operator) {
this.first = first;
this.second = second;
this.operator = operator;
}
public Condition getFirst() {
return first;
}
public Condition getSecond() {
return second;
}
public String getOperator() {
return operator;
}
}
class Permission implements Condition {
private final Class<?> ownerClass;
private final long ownerId;
private final Class<?> propertyClass;
private final long propertyId;
private final boolean excludeGroups;
private Permission(
Class<?> ownerClass, long ownerId, Class<?> propertyClass, long propertyId, boolean excludeGroups) {
this.ownerClass = ownerClass;
this.ownerId = ownerId;
this.propertyClass = propertyClass;
this.propertyId = propertyId;
this.excludeGroups = excludeGroups;
}
public Permission(Class<?> ownerClass, long ownerId, Class<?> propertyClass) {
this(ownerClass, ownerId, propertyClass, 0, false);
}
public Permission(Class<?> ownerClass, Class<?> propertyClass, long propertyId) {
this(ownerClass, 0, propertyClass, propertyId, false);
}
public Permission excludeGroups() {
return new Permission(this.ownerClass, this.ownerId, this.propertyClass, this.propertyId, true);
}
public Class<?> getOwnerClass() {
return ownerClass;
}
public long getOwnerId() {
return ownerId;
}
public Class<?> getPropertyClass() {
return propertyClass;
}
public long getPropertyId() {
return propertyId;
}
public boolean getIncludeGroups() {
boolean ownerGroupModel = GroupedModel.class.isAssignableFrom(ownerClass);
boolean propertyGroupModel = GroupedModel.class.isAssignableFrom(propertyClass);
return (ownerGroupModel || propertyGroupModel) && !excludeGroups;
}
}
}
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