/**
    * Copyright 2010 The Kuali Foundation Licensed under the
    * Educational Community 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.osedu.org/licenses/ECL-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.kuali.student.core.statement.entity;
  
  import java.util.List;
  
  import javax.persistence.CascadeType;
  import javax.persistence.Column;
  import javax.persistence.Entity;
  import javax.persistence.EnumType;
  import javax.persistence.Enumerated;
  import javax.persistence.JoinColumn;
  import javax.persistence.JoinTable;
  import javax.persistence.ManyToMany;
  import javax.persistence.ManyToOne;
  import javax.persistence.NamedQueries;
  import javax.persistence.NamedQuery;
  import javax.persistence.OneToMany;
  import javax.persistence.Table;
  
  import org.kuali.student.common.entity.AttributeOwner;
  import org.kuali.student.common.entity.MetaEntity;
  import org.kuali.student.core.statement.dto.StatementOperatorTypeKey;
  
  @Entity
  @Table(name = "KSST_STMT")
  @NamedQueries( {
      @NamedQuery(name = "Statement.getStatementsForStatementType", query = "SELECT ls FROM Statement ls WHERE ls.statementType.id = :statementTypeKey"),
      @NamedQuery(name = "Statement.getStatements", query = "SELECT ls FROM Statement ls WHERE ls.id IN (:statementIdList)"),
      @NamedQuery(name = "Statement.getStatementsForReqComponent", query = "SELECT ls FROM Statement ls JOIN ls.requiredComponents req WHERE req.id = :reqComponentId"),
      @NamedQuery(name = "Statement.getParentStatement", query = "SELECT DISTINCT stmt FROM Statement stmt JOIN stmt.children children WHERE children.id = :childId"),
      @NamedQuery(name = "Statement.getStatementsWithDependencies", query = "SELECT DISTINCT stmt, reqComp.id FROM Statement stmt, IN (stmt.requiredComponents) reqComp, IN (reqComp.reqComponentFields) field WHERE (field.type='kuali.reqComponent.field.type.course.cluSet.id' AND field.value IN(:cluSetIds)) OR (field.type='kuali.reqComponent.field.type.course.clu.id' AND field.value IN(:cluVersionIndIds))")
  })
  public class Statement extends MetaEntity implements AttributeOwner<StatementAttribute>{
  
      @Column(name="NAME")
      private String name;
  
      @ManyToOne(cascade=CascadeType.ALL)
      @JoinColumn(name = "RT_DESCR_ID")
      private StatementRichText descr;
  
      @Column(name="ST")
      private String state;
  
      @Column(name="OPERATOR")
      @Enumerated(EnumType.STRING)
      private StatementOperatorTypeKey operator;
  
      @OneToMany(cascade = {CascadeType.ALL})
      @JoinTable(name = "KSST_STMT_JN_STMT", joinColumns = @JoinColumn(name = "STMT_ID"), inverseJoinColumns = @JoinColumn(name = "CHLD_STMT_ID"))
      private List<Statement> children;
  
      @ManyToMany
      @JoinTable(name = "KSST_STMT_JN_REQ_COM", joinColumns = @JoinColumn(name = "STMT_ID"), inverseJoinColumns = @JoinColumn(name = "REQ_COM_ID"))
      private List<ReqComponent> requiredComponents;
  
      @ManyToOne
      @JoinColumn(name = "STMT_TYPE_ID")
      private StatementType statementType;
  
      @OneToMany(cascade = CascadeType.ALL)
      @JoinColumn(name = "OWNER")
      private List<StatementAttribute> attributes;
  
      @OneToMany(mappedBy = "statement")
      private List<RefStatementRelation> refStatementRelations;
  
      public List<Statement> getChildren() {
          return children;
      }
  
      public void setChildren(List<Statement> children) {
          this.children = children;
      }
  
      public List<ReqComponent> getRequiredComponents() {
          return requiredComponents;
      }
  
      public void setRequiredComponents(List<ReqComponent> requiredComponents) {
          this.requiredComponents = requiredComponents;
      }
  
      public StatementType getStatementType() {
          return statementType;
     }
 
     public void setStatementType(StatementType statementType) {
         this.statementType = statementType;
     }
 
     public StatementOperatorTypeKey getOperator() {
         return operator;
     }
 
     public void setOperator(StatementOperatorTypeKey operator) {
         this.operator = operator;
     }
 
     public String getName() {
         return name;
     }
 
     public void setName(String name) {
         this.name = name;
     }
 
     public StatementRichText getDescr() {
         return descr;
     }
 
     public void setDescr(StatementRichText descr) {
         this.descr = descr;
     }
 
     @Override
     public List<StatementAttribute> getAttributes() {
         return attributes;
     }
 
     @Override
     public void setAttributes(List<StatementAttribute> attributes) {
         this.attributes=attributes;
     }
 
     public String getState() {
         return state;
     }
 
     public void setState(String state) {
         this.state = state;
     }
 
 	public List<RefStatementRelation> getRefStatementRelations() {
 		return refStatementRelations;
 	}
 
 	public void setRefStatementRelations(
 			List<RefStatementRelation> refStatementRelations) {
 		this.refStatementRelations = refStatementRelations;
 	}
 
 	@Override
 	public String toString() {
 		return "Statement[id=" + getId() + ", statementType="
 		+ (statementType == null ? "null" : statementType.getId())
 		+ ", operator=" + operator + "]";
 	}
 }