| /******************************************************************************* |
| * 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.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.ofbiz.base.util.UtilGenerics; |
| import org.ofbiz.entity.util.EntityUtil; |
| |
| /** |
| * Encapsulates simple expressions used for specifying queries |
| * |
| */ |
| @SuppressWarnings("serial") |
| public class EntityFieldMap extends EntityConditionListBase<EntityExpr> { |
| |
| protected Map<String, ? extends Object> fieldMap = null; |
| |
| public static <V> List<EntityExpr> makeConditionList(EntityComparisonOperator<?,V> op, V... keysValues) { |
| return makeConditionList(EntityUtil.makeFields(keysValues), op); |
| } |
| |
| public static <V> List<EntityExpr> makeConditionList(Map<String, V> fieldMap, EntityComparisonOperator<?,V> op) { |
| if (fieldMap == null) { |
| return Collections.emptyList(); |
| } |
| List<EntityExpr> list = new ArrayList<EntityExpr>(fieldMap.size()); |
| for (Map.Entry<String, ? extends Object> entry: fieldMap.entrySet()) { |
| list.add(EntityCondition.makeCondition(entry.getKey(), op, entry.getValue())); |
| } |
| return list; |
| } |
| |
| public <V> void init(EntityComparisonOperator<?,?> compOp, EntityJoinOperator joinOp, V... keysValues) { |
| super.init(makeConditionList(EntityUtil.makeFields(keysValues), UtilGenerics.<EntityComparisonOperator<String,V>>cast(compOp)), joinOp); |
| Map<String, ? extends Object> fieldMap = EntityUtil.makeFields(keysValues); |
| this.fieldMap = fieldMap == null ? Collections.<String, Object>emptyMap() : fieldMap; |
| this.operator = joinOp; |
| } |
| |
| public <V> void init(Map<String, V> fieldMap, EntityComparisonOperator<?,?> compOp, EntityJoinOperator joinOp) { |
| super.init(makeConditionList(fieldMap, UtilGenerics.<EntityComparisonOperator<String,V>>cast(compOp)), joinOp); |
| this.fieldMap = fieldMap == null ? Collections.<String, Object>emptyMap() : fieldMap; |
| this.operator = joinOp; |
| } |
| |
| @Override |
| public void reset() { |
| super.reset(); |
| this.fieldMap = null; |
| } |
| |
| public Object getField(String name) { |
| return this.fieldMap.get(name); |
| } |
| |
| public boolean containsField(String name) { |
| return this.fieldMap.containsKey(name); |
| } |
| |
| public Iterator<String> getFieldKeyIterator() { |
| return Collections.unmodifiableSet(this.fieldMap.keySet()).iterator(); |
| } |
| |
| public Iterator<Map.Entry<String, Object>> getFieldEntryIterator() { |
| return Collections.unmodifiableMap(this.fieldMap).entrySet().iterator(); |
| } |
| |
| @Override |
| public void accept(EntityConditionVisitor visitor) { |
| visitor.acceptEntityFieldMap(this); |
| } |
| } |