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Diffstat (limited to 'lib/javame/src/org/apache/thrift/meta_data/FieldMetaData.java')
-rw-r--r-- | lib/javame/src/org/apache/thrift/meta_data/FieldMetaData.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/javame/src/org/apache/thrift/meta_data/FieldMetaData.java b/lib/javame/src/org/apache/thrift/meta_data/FieldMetaData.java new file mode 100644 index 000000000..11a5a08b1 --- /dev/null +++ b/lib/javame/src/org/apache/thrift/meta_data/FieldMetaData.java @@ -0,0 +1,88 @@ +/* + * 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. + */ +/* + * 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.thrift.meta_data; + +import org.apache.thrift.TBase; + +import java.util.Hashtable; + + +/** + * This class is used to store meta data about thrift fields. Every field in a + * a struct should have a corresponding instance of this class describing it. + * + */ +public class FieldMetaData { + public final String fieldName; + public final byte requirementType; + public final FieldValueMetaData valueMetaData; + private static Hashtable structMap; + + static { + structMap = new Hashtable(); + } + + public FieldMetaData(String name, byte req, FieldValueMetaData vMetaData){ + this.fieldName = name; + this.requirementType = req; + this.valueMetaData = vMetaData; + } + + public static void addStructMetaDataMap(Class sClass, Hashtable map){ + structMap.put(sClass, map); + } + + /** + * Returns a map with metadata (i.e. instances of FieldMetaData) that + * describe the fields of the given class. + * + * @param sClass The TBase class for which the metadata map is requested + */ + public static Hashtable getStructMetaDataMap(Class sClass){ + if (!structMap.containsKey(sClass)){ // Load class if it hasn't been loaded + try{ + sClass.newInstance(); + } catch (InstantiationException e){ + throw new RuntimeException("InstantiationException for TBase class: " + sClass.getName() + ", message: " + e.getMessage()); + } catch (IllegalAccessException e){ + throw new RuntimeException("IllegalAccessException for TBase class: " + sClass.getName() + ", message: " + e.getMessage()); + } + } + return (Hashtable) structMap.get(sClass); + } +} |