org.teiid.metadata.ExtensionMetadataProperty Maven / Gradle / Ivy
/*
* Copyright Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags and
* the COPYRIGHT.txt file distributed with this work.
*
* Licensed 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.teiid.metadata;
import java.lang.annotation.*;
/**
* Annotates a property that defines a extension metadata property
*/
@Target({ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
@Inherited
@Documented
public @interface ExtensionMetadataProperty {
public static final String EMPTY_STRING = ""; //$NON-NLS-1$
/**
* Kind of metadata record this property is applicable for
*/
Class[] applicable() default {Table.class};
/**
* Display Name
*/
String display() default EMPTY_STRING;
/**
* Description of the Property
*/
String description() default EMPTY_STRING;
/**
* Is this a required property
*/
boolean required() default false;
/**
* Data type of the property
* @return
*/
Class datatype() default java.lang.String.class;
/**
* If only takes predefined values, this describes comma separated values
*/
String allowed() default EMPTY_STRING;
}