| /** |
| * 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.storm.cassandra.trident.state; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import org.apache.storm.tuple.Fields; |
| import org.apache.storm.tuple.ITuple; |
| |
| /** |
| * Utility class for passing around ordered key/value data with an immutable key set. |
| */ |
| public class SimpleTuple implements ITuple, Serializable { |
| |
| private static final long serialVersionUID = -4656331293513898312L; |
| |
| private final List<String> keys; |
| private List<Object> values; |
| |
| public SimpleTuple(Fields keyFields, List<Object> values) { |
| this.keys = keyFields.toList(); |
| this.values = new ArrayList<>(); |
| this.values.addAll(values); |
| while (this.values.size() < keys.size()) { |
| this.values.add(null); |
| } |
| } |
| |
| public SimpleTuple(Fields keyFields, List<Object>... values) { |
| this.keys = keyFields.toList(); |
| this.values = new ArrayList<>(); |
| for (List<Object> valueList : values) { |
| this.values.addAll(valueList); |
| } |
| while (this.values.size() < keys.size()) { |
| this.values.add(null); |
| } |
| } |
| |
| public SimpleTuple put(String key, Object value) { |
| int index = keys.indexOf(key); |
| if (index >= 0) { |
| values.set(index, value); |
| } else { |
| throw new IllegalArgumentException("Field " + key + " does not exist."); |
| } |
| return this; |
| } |
| |
| @Override |
| public int size() { |
| return keys.size(); |
| } |
| |
| @Override |
| public boolean contains(String field) { |
| return keys.contains(field); |
| } |
| |
| @Override |
| public Fields getFields() { |
| return new Fields(keys); |
| } |
| |
| @Override |
| public int fieldIndex(String field) { |
| return keys.indexOf(field); |
| } |
| |
| @Override |
| public List<Object> select(Fields selector) { |
| List<Object> values = new ArrayList<>(); |
| for (String field : selector) { |
| values.add(getValueByField(field)); |
| } |
| return values; |
| } |
| |
| @Override |
| public Object getValue(int i) { |
| return values.get(i); |
| } |
| |
| @Override |
| public String getString(int i) { |
| return (String) values.get(i); |
| } |
| |
| @Override |
| public Integer getInteger(int i) { |
| return (Integer) values.get(i); |
| } |
| |
| @Override |
| public Long getLong(int i) { |
| return (Long) values.get(i); |
| } |
| |
| @Override |
| public Boolean getBoolean(int i) { |
| return (Boolean) values.get(i); |
| } |
| |
| @Override |
| public Short getShort(int i) { |
| return (Short) values.get(i); |
| } |
| |
| @Override |
| public Byte getByte(int i) { |
| return (Byte) values.get(i); |
| } |
| |
| @Override |
| public Double getDouble(int i) { |
| return (Double) values.get(i); |
| } |
| |
| @Override |
| public Float getFloat(int i) { |
| return (Float) values.get(i); |
| } |
| |
| @Override |
| public byte[] getBinary(int i) { |
| return (byte[]) values.get(i); |
| } |
| |
| @Override |
| public Object getValueByField(String field) { |
| return values.get(keys.indexOf(field)); |
| } |
| |
| @Override |
| public String getStringByField(String field) { |
| return (String) getValueByField(field); |
| } |
| |
| @Override |
| public Integer getIntegerByField(String field) { |
| return (Integer) getValueByField(field); |
| } |
| |
| @Override |
| public Long getLongByField(String field) { |
| return (Long) getValueByField(field); |
| } |
| |
| @Override |
| public Boolean getBooleanByField(String field) { |
| return (Boolean) getValueByField(field); |
| } |
| |
| @Override |
| public Short getShortByField(String field) { |
| return (Short) getValueByField(field); |
| } |
| |
| @Override |
| public Byte getByteByField(String field) { |
| return (Byte) getValueByField(field); |
| } |
| |
| @Override |
| public Double getDoubleByField(String field) { |
| return (Double) getValueByField(field); |
| } |
| |
| @Override |
| public Float getFloatByField(String field) { |
| return (Float) getValueByField(field); |
| } |
| |
| @Override |
| public byte[] getBinaryByField(String field) { |
| return (byte[]) getValueByField(field); |
| } |
| |
| @Override |
| public List<Object> getValues() { |
| return Collections.unmodifiableList(values); |
| } |
| |
| public SimpleTuple setValues(List<Object> values) { |
| this.values = new ArrayList<>(values); |
| return this; |
| } |
| |
| public List<String> getKeys() { |
| return Collections.unmodifiableList(keys); |
| } |
| |
| } |