Java tutorial
/** * Copyright 2011-2016 Asakusa Framework Team. * * 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 com.asakusafw.compiler.fileio.model; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import org.apache.hadoop.io.Text; import org.apache.hadoop.io.Writable; import com.asakusafw.compiler.fileio.io.ExSummarized2Input; import com.asakusafw.compiler.fileio.io.ExSummarized2Output; import com.asakusafw.runtime.model.DataModel; import com.asakusafw.runtime.model.DataModelKind; import com.asakusafw.runtime.model.ModelInputLocation; import com.asakusafw.runtime.model.ModelOutputLocation; import com.asakusafw.runtime.value.LongOption; import com.asakusafw.runtime.value.StringOption; import com.asakusafw.vocabulary.model.Key; import com.asakusafw.vocabulary.model.Summarized; /** * ex_summarized2? */ @DataModelKind("DMDL") @ModelInputLocation(ExSummarized2Input.class) @ModelOutputLocation(ExSummarized2Output.class) @Summarized(term = @Summarized.Term(source = Ex1.class, foldings = { @Summarized.Folding(aggregator = Summarized.Aggregator.ANY, source = "string", destination = "key"), @Summarized.Folding(aggregator = Summarized.Aggregator.SUM, source = "value", destination = "value"), @Summarized.Folding(aggregator = Summarized.Aggregator.COUNT, source = "sid", destination = "count") }, shuffle = @Key(group = { "string" }))) public class ExSummarized2 implements DataModel<ExSummarized2>, Writable { private final StringOption key = new StringOption(); private final LongOption value = new LongOption(); private final LongOption count = new LongOption(); @Override @SuppressWarnings("deprecation") public void reset() { this.key.setNull(); this.value.setNull(); this.count.setNull(); } @Override @SuppressWarnings("deprecation") public void copyFrom(ExSummarized2 other) { this.key.copyFrom(other.key); this.value.copyFrom(other.value); this.count.copyFrom(other.count); } /** * key? * @return key * @throws NullPointerException key??<code>null</code>??? */ public Text getKey() { return this.key.get(); } /** * key? * @param value0 ? */ @SuppressWarnings("deprecation") public void setKey(Text value0) { this.key.modify(value0); } /** * <code>null</code>?key? * @return key */ public StringOption getKeyOption() { return this.key; } /** * key? * @param option ??<code>null</code>???????<code>null</code>???? */ @SuppressWarnings("deprecation") public void setKeyOption(StringOption option) { this.key.copyFrom(option); } /** * value? * @return value * @throws NullPointerException value??<code>null</code>??? */ public long getValue() { return this.value.get(); } /** * value? * @param value0 ? */ @SuppressWarnings("deprecation") public void setValue(long value0) { this.value.modify(value0); } /** * <code>null</code>?value? * @return value */ public LongOption getValueOption() { return this.value; } /** * value? * @param option ??<code>null</code>???????<code>null</code>???? */ @SuppressWarnings("deprecation") public void setValueOption(LongOption option) { this.value.copyFrom(option); } /** * count? * @return count * @throws NullPointerException count??<code>null</code>??? */ public long getCount() { return this.count.get(); } /** * count? * @param value0 ? */ @SuppressWarnings("deprecation") public void setCount(long value0) { this.count.modify(value0); } /** * <code>null</code>?count? * @return count */ public LongOption getCountOption() { return this.count; } /** * count? * @param option ??<code>null</code>???????<code>null</code>???? */ @SuppressWarnings("deprecation") public void setCountOption(LongOption option) { this.count.copyFrom(option); } @Override public String toString() { StringBuilder result = new StringBuilder(); result.append("{"); result.append("class=ex_summarized2"); result.append(", key="); result.append(this.key); result.append(", value="); result.append(this.value); result.append(", count="); result.append(this.count); result.append("}"); return result.toString(); } @Override public int hashCode() { int prime = 31; int result = 1; result = prime * result + key.hashCode(); result = prime * result + value.hashCode(); result = prime * result + count.hashCode(); return result; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (this.getClass() != obj.getClass()) { return false; } ExSummarized2 other = (ExSummarized2) obj; if (this.key.equals(other.key) == false) { return false; } if (this.value.equals(other.value) == false) { return false; } if (this.count.equals(other.count) == false) { return false; } return true; } /** * key? * @return key * @throws NullPointerException key??<code>null</code>??? */ public String getKeyAsString() { return this.key.getAsString(); } /** * key? * @param key0 ? */ @SuppressWarnings("deprecation") public void setKeyAsString(String key0) { this.key.modify(key0); } @Override public void write(DataOutput out) throws IOException { key.write(out); value.write(out); count.write(out); } @Override public void readFields(DataInput in) throws IOException { key.readFields(in); value.readFields(in); count.readFields(in); } }