| /* |
| * 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.directory.shared.ldap.filter; |
| |
| |
| import java.util.List; |
| |
| /** |
| * Node representing an OR connector in a filter operation |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev: 517453 $ |
| */ |
| public class OrNode extends BranchNode |
| { |
| /** |
| * Creates a OrNode using a logical operator and a list of children. |
| * |
| * @param childList the child nodes under this branch node. |
| */ |
| public OrNode( List<ExprNode> childList) |
| { |
| super( AssertionType.OR, childList ); |
| } |
| |
| |
| /** |
| * Creates a OrNode using a logical operator and a list of children. |
| * |
| * @param childList the child nodes under this branch node. |
| */ |
| public OrNode( ExprNode... childList ) |
| { |
| super( AssertionType.OR, childList ); |
| } |
| |
| |
| /** |
| * Clone the Node |
| */ |
| @Override public ExprNode clone() |
| { |
| return super.clone(); |
| } |
| |
| |
| /** |
| * Creates an empty OrNode |
| */ |
| public OrNode() |
| { |
| super( AssertionType.OR ); |
| } |
| |
| |
| /** |
| * Gets the operator for this branch node. |
| * |
| * @return the operator constant. |
| */ |
| public AssertionType getOperator() |
| { |
| return AssertionType.OR; |
| } |
| |
| |
| /** |
| * Tests whether or not this node is a disjunction (a OR'ed branch). |
| * |
| * @return true if the operation is a OR, false otherwise. |
| */ |
| public boolean isDisjunction() |
| { |
| return true; |
| } |
| |
| |
| /** |
| * Tests whether or not this node is a conjunction (a AND'ed branch). |
| * |
| * @return true if the operation is a AND, false otherwise. |
| */ |
| public boolean isConjunction() |
| { |
| return false; |
| } |
| |
| |
| /** |
| * Tests whether or not this node is a negation (a NOT'ed branch). |
| * |
| * @return true if the operation is a NOT, false otherwise. |
| */ |
| public boolean isNegation() |
| { |
| return false; |
| } |
| |
| |
| /** |
| * @see ExprNode#printRefinementToBuffer(StringBuffer) |
| * |
| * @return The buffer in which the refinement has been appended |
| * @throws UnsupportedOperationException if this node isn't a part of a refinement. |
| */ |
| public StringBuilder printRefinementToBuffer( StringBuilder buf ) |
| { |
| buf.append( "or: {" ); |
| boolean isFirst = true; |
| |
| for ( ExprNode node:children ) |
| { |
| if ( isFirst ) |
| { |
| isFirst = false; |
| } |
| else |
| { |
| buf.append( ", " ); |
| } |
| |
| node.printRefinementToBuffer( buf ); |
| } |
| |
| buf.append( '}' ); |
| |
| return buf; |
| } |
| |
| /** |
| * Gets the recursive prefix string represent of the filter from this node |
| * down. |
| * |
| * @see java.lang.Object#toString() |
| * @return A string representing the AndNode |
| */ |
| public String toString() |
| { |
| StringBuilder buf = new StringBuilder(); |
| buf.append( "(|" ); |
| |
| buf.append( super.toString() ); |
| |
| for ( ExprNode child:getChildren() ) |
| { |
| buf.append( child ); |
| } |
| |
| buf.append( ')' ); |
| |
| return buf.toString(); |
| } |
| |
| |
| /** |
| * @see Object#hashCode() |
| * @return the instance's hash code |
| */ |
| public int hashCode() |
| { |
| int hash = 37; |
| hash = hash*17 + AssertionType.OR.hashCode(); |
| hash = hash*17 + ( annotations == null ? 0 : annotations.hashCode() ); |
| return hash; |
| } |
| |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals( Object other ) |
| { |
| if ( this == other ) |
| { |
| return true; |
| } |
| |
| if ( !( other instanceof OrNode ) ) |
| { |
| return false; |
| } |
| |
| OrNode otherExprNode = ( OrNode ) other; |
| |
| List<ExprNode> otherChildren = otherExprNode.getChildren(); |
| |
| if ( otherChildren == children ) |
| { |
| return true; |
| } |
| |
| if ( children.size() != otherChildren.size() ) |
| { |
| return false; |
| } |
| |
| for ( int i = 0; i < children.size(); i++ ) |
| { |
| ExprNode child = children.get( i ); |
| ExprNode otherChild = otherChildren.get( i ); |
| |
| if ( !child.equals( otherChild ) ) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| } |