/*
    * 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.apache.syncope.core.persistence.api.dao.search;
  
  import org.apache.commons.lang3.builder.EqualsBuilder;
  import org.apache.commons.lang3.builder.HashCodeBuilder;
  import org.apache.commons.lang3.builder.ToStringBuilder;
  
  /**
   * Search condition to be applied when comparing attribute values.
   */
  public class AttrCond extends AbstractSearchCond {
  
      private static final long serialVersionUID = 3275277728404021417L;
  
      public enum Type {
  
          LIKE,
          ILIKE,
          EQ,
          IEQ,
          GT,
          LT,
          GE,
          LE,
          ISNULL,
          ISNOTNULL
  
      }
  
      private Type type;
  
      private String schema;
  
      private String expression;
  
      public AttrCond() {
          super();
      }
  
      public AttrCond(final Type conditionType) {
          super();
          this.type = conditionType;
      }
  
      public final String getExpression() {
          return expression;
      }
  
      public final void setExpression(final String conditionExpression) {
          this.expression = conditionExpression;
      }
  
      public final String getSchema() {
          return schema;
      }
  
      public final void setSchema(final String conditionSchema) {
          this.schema = conditionSchema;
      }
  
      public final Type getType() {
          return type;
      }
  
      public final void setType(final Type conditionType) {
          this.type = conditionType;
      }
  
      @Override
      public final boolean isValid() {
          return type != null && schema != null && (type == Type.ISNULL || type == Type.ISNOTNULL || expression != null);
      }
  
      @Override
      public int hashCode() {
          return new HashCodeBuilder().
                  append(type).
                  append(schema).
                  append(expression).
                  build();
      }
  
     @Override
     public boolean equals(final Object obj) {
         if (this == obj) {
             return true;
         }
         if (obj == null) {
             return false;
         }
         if (getClass() != obj.getClass()) {
             return false;
         }
         final AttrCond other = (AttrCond) obj;
         return new EqualsBuilder().
                 append(type, other.type).
                 append(schema, other.schema).
                 append(expression, other.expression).
                 build();
     }
 
     @Override
     public String toString() {
         return new ToStringBuilder(this).
                 append(type).
                 append(schema).
                 append(expression).
                 build();
     }
 }