| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. 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.jackrabbit.session.nodetype; |
| |
| import javax.jcr.nodetype.ItemDefinition; |
| import javax.jcr.nodetype.NodeType; |
| |
| import org.apache.jackrabbit.session.SessionHelper; |
| import org.apache.jackrabbit.state.nodetype.ItemDefinitionState; |
| |
| /** |
| * Immutable and session-bound item definition frontend. An instance |
| * of this class presents the underlying item definition state using |
| * the JCR ItemDefinition interface. |
| * <p> |
| * By not exposing the setter methods of the underlying state instance, |
| * this class intentionally makes it impossible for a JCR client to modify |
| * item definition information. |
| */ |
| class SessionItemDefinition implements ItemDefinition { |
| |
| /** Helper for accessing the current session. */ |
| private final SessionHelper helper; |
| |
| /** The node type that contains this item definition. */ |
| private final NodeType type; |
| |
| /** The underlying item definitions state. */ |
| private final ItemDefinitionState state; |
| |
| /** |
| * Creates an item definition frontend that is bound to the |
| * given node type, session, and underlying item definition state. |
| * |
| * @param helper helper for accessing the current session |
| * @param type declaring node type |
| * @param state underlying item definition state |
| */ |
| protected SessionItemDefinition( |
| SessionHelper helper, NodeType type, ItemDefinitionState state) { |
| this.helper = helper; |
| this.type = type; |
| this.state = state; |
| } |
| |
| /** |
| * Returns the node type that contains this item definition. |
| * |
| * @return declaring node type |
| * @see ItemDefinition#getDeclaringNodeType() |
| */ |
| public NodeType getDeclaringNodeType() { |
| return type; |
| } |
| |
| /** |
| * Returns the prefixed JCR name of this item definition. The underlying |
| * qualified name is mapped to a prefixed JCR name using the namespace |
| * mappings of the current session. |
| * |
| * @return prefixed JCR name |
| * @see ItemDefinition#getName() |
| */ |
| public String getName() { |
| return helper.getName(state.getName()); |
| } |
| |
| /** |
| * Returns the value of the AutoCreated item definition property. |
| * The returned value is retrieved from the underlying item |
| * definition state. |
| * |
| * @return AutoCreated property value |
| * @see ItemDefinition#isAutoCreated() |
| */ |
| public boolean isAutoCreated() { |
| return state.isAutoCreated(); |
| } |
| |
| /** |
| * Returns the value of the Mandatory item definition property. |
| * The returned value is retrieved from the underlying item |
| * definition state. |
| * |
| * @return Mandatory property value |
| * @see ItemDefinition#isMandatory() |
| */ |
| public boolean isMandatory() { |
| return state.isMandatory(); |
| } |
| |
| /** |
| * Returns the value of the OnParentVersion item definition property. |
| * The returned value is retrieved from the underlying item |
| * definition state. |
| * |
| * @return OnParentVersion property value |
| * @see ItemDefinition#getOnParentVersion() |
| */ |
| public int getOnParentVersion() { |
| return state.getOnParentVersion(); |
| } |
| |
| /** |
| * Returns the value of the Protected item definition property. |
| * The returned value is retrieved from the underlying item |
| * definition state. |
| * |
| * @return Protected property value |
| * @see ItemDefinition#isProtected() |
| */ |
| public boolean isProtected() { |
| return state.isProtected(); |
| } |
| |
| /** |
| * Compares objects for equality. Returns <code>true</code> if the |
| * given object is a SessionItemDefinition with the same underlying item |
| * definition state, session, and declaring node type. |
| * <p> |
| * Note that the item definition state class does not override the equals |
| * method and thus the mutable state instances are compared for |
| * reference equality. |
| * |
| * @param that the object to compare this object with |
| * @return <code>true</code> if the objects are equal, |
| * <code>false</code> otherwise |
| * @see Object#equals(Object) |
| */ |
| public boolean equals(Object that) { |
| if (this == that) { |
| return true; |
| } else if (that instanceof SessionItemDefinition) { |
| return state.equals(((SessionItemDefinition) that).state) |
| && helper.equals(((SessionItemDefinition) that).helper) |
| && type.equals(((SessionItemDefinition) that).type); |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * Returns a hash code for this object. To satisfy the equality |
| * constraints the returned hash code is a combination of the |
| * hash codes of the underlying node type state, session, and declaring |
| * node type. |
| * |
| * @return hash code |
| * @see Object#hashCode() |
| */ |
| public int hashCode() { |
| int code = 17; |
| code = code * 37 + state.hashCode(); |
| code = code * 37 + helper.hashCode(); |
| code = code * 37 + type.hashCode(); |
| return code; |
| } |
| |
| } |