| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.ofbiz.entity.condition; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javolution.context.ObjectFactory; |
| import javolution.lang.Reusable; |
| |
| import org.ofbiz.entity.Delegator; |
| import org.ofbiz.entity.GenericEntity; |
| import org.ofbiz.entity.GenericModelException; |
| import org.ofbiz.entity.config.model.Datasource; |
| import org.ofbiz.entity.model.ModelEntity; |
| import org.ofbiz.entity.model.ModelField; |
| |
| /** |
| * Base class for condition expression values. |
| * |
| */ |
| @SuppressWarnings("serial") |
| public abstract class EntityConditionValue extends EntityConditionBase { |
| |
| public static EntityConditionValue CONSTANT_NUMBER(Number value) { return ConstantNumberValue.createConstantNumberValue(value); } |
| public static class ConstantNumberValue extends EntityConditionValue implements Reusable { |
| protected static ConstantNumberValue createConstantNumberValue(Number value) { |
| ConstantNumberValue cnv = factory.object(); |
| cnv.init(value); |
| return cnv; |
| } |
| protected static final ObjectFactory<ConstantNumberValue> factory = new ObjectFactory<ConstantNumberValue>() { |
| protected ConstantNumberValue create() { |
| return new ConstantNumberValue(); |
| } |
| }; |
| |
| private Number value; |
| |
| protected void init(Number value) { |
| this.value = value; |
| } |
| |
| @Override |
| public void accept(EntityConditionVisitor visitor) { |
| visitor.acceptEntityConditionValue(this); |
| } |
| |
| @Override |
| public void addSqlValue(StringBuilder sql, Map<String, String> tableAliases, ModelEntity modelEntity, List<EntityConditionParam> entityConditionParams, boolean includeTableNamePrefix, Datasource datasourceinfo) { |
| sql.append(value); |
| } |
| |
| @Override |
| public EntityConditionValue freeze() { |
| return this; |
| } |
| |
| @Override |
| public ModelField getModelField(ModelEntity modelEntity) { |
| return null; |
| } |
| |
| @Override |
| public void setModelField(ModelField field) { |
| // Do nothing; |
| } |
| |
| @Override |
| public Object getValue(Delegator delegator, Map<String, ? extends Object> map) { |
| return value; |
| } |
| |
| @Override |
| public void reset() { |
| this.value = value; |
| } |
| |
| @Override |
| public void validateSql(org.ofbiz.entity.model.ModelEntity modelEntity) { |
| } |
| |
| @Override |
| public void visit(EntityConditionVisitor visitor) { |
| visitor.acceptObject(value); |
| } |
| } |
| |
| public abstract ModelField getModelField(ModelEntity modelEntity); |
| |
| public abstract void setModelField(ModelField modelEntity); |
| |
| public void addSqlValue(StringBuilder sql, ModelEntity modelEntity, List<EntityConditionParam> entityConditionParams, boolean includeTableNamePrefix, |
| Datasource datasourceinfo) { |
| addSqlValue(sql, emptyAliases, modelEntity, entityConditionParams, includeTableNamePrefix, datasourceinfo); |
| } |
| |
| public abstract void addSqlValue(StringBuilder sql, Map<String, String> tableAliases, ModelEntity modelEntity, List<EntityConditionParam> entityConditionParams, |
| boolean includeTableNamePrefix, Datasource datasourceinfo); |
| |
| public abstract void validateSql(ModelEntity modelEntity) throws GenericModelException; |
| |
| public Object getValue(GenericEntity entity) { |
| if (entity == null) { |
| return null; |
| } |
| return getValue(entity.getDelegator(), entity); |
| } |
| |
| public abstract Object getValue(Delegator delegator, Map<String, ? extends Object> map); |
| |
| public abstract EntityConditionValue freeze(); |
| |
| public abstract void visit(EntityConditionVisitor visitor); |
| |
| public void accept(EntityConditionVisitor visitor) { |
| throw new IllegalArgumentException("accept not implemented"); |
| } |
| |
| public void toString(StringBuilder sb) { |
| addSqlValue(sb, null, new ArrayList<EntityConditionParam>(), false, null); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sql = new StringBuilder(); |
| toString(sql); |
| return sql.toString(); |
| } |
| } |