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62
tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/FakedMultiBatchReader.java
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/* | ||
* 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.iotdb.tsfile.read.reader; | ||
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import java.io.IOException; | ||
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; | ||
import org.apache.iotdb.tsfile.read.common.BatchData; | ||
import org.apache.iotdb.tsfile.read.filter.basic.Filter; | ||
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public class FakedMultiBatchReader implements IBatchReader { | ||
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private long time = 0; | ||
private int batchSize; | ||
private int batches; | ||
private int batchIndex = 0; | ||
private Filter filter; | ||
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FakedMultiBatchReader(int batchSize, int batches, Filter filter) { | ||
this.batchSize = batchSize; | ||
this.batches = batches; | ||
this.filter = filter; | ||
} | ||
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@Override | ||
public boolean hasNextBatch() { | ||
return batchIndex < batches; | ||
} | ||
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@Override | ||
public BatchData nextBatch() { | ||
batchIndex++; | ||
BatchData batchData = new BatchData(TSDataType.INT64); | ||
for (int i = 0; i < batchSize; i++) { | ||
if (filter.satisfy(time, time)) { | ||
batchData.putLong(time, time); | ||
} | ||
time++; | ||
} | ||
return batchData; | ||
} | ||
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@Override | ||
public void close() throws IOException { | ||
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} | ||
} |
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tsfile/src/test/java/org/apache/iotdb/tsfile/read/reader/FakedTimeGenerator.java
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/* | ||
* 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.iotdb.tsfile.read.reader; | ||
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import java.io.IOException; | ||
import org.apache.iotdb.tsfile.read.common.Path; | ||
import org.apache.iotdb.tsfile.read.expression.IExpression; | ||
import org.apache.iotdb.tsfile.read.expression.impl.BinaryExpression; | ||
import org.apache.iotdb.tsfile.read.expression.impl.SingleSeriesExpression; | ||
import org.apache.iotdb.tsfile.read.filter.TimeFilter; | ||
import org.apache.iotdb.tsfile.read.filter.factory.FilterFactory; | ||
import org.apache.iotdb.tsfile.read.query.timegenerator.TimeGenerator; | ||
import org.apache.iotdb.tsfile.read.query.timegenerator.node.AndNode; | ||
import org.apache.iotdb.tsfile.read.query.timegenerator.node.LeafNode; | ||
import org.junit.Assert; | ||
import org.junit.Test; | ||
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public class FakedTimeGenerator extends TimeGenerator { | ||
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public FakedTimeGenerator() throws IOException { | ||
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// or(and(d1.s1, d2.s2), d2.s2) | ||
IExpression expression = | ||
BinaryExpression.or( | ||
BinaryExpression.and( | ||
new SingleSeriesExpression(new Path("d1.s1"), | ||
FilterFactory.and(TimeFilter.gtEq(1L), TimeFilter.ltEq(5L))), | ||
new SingleSeriesExpression(new Path("d2.s2"), | ||
FilterFactory.and(TimeFilter.gtEq(1L), TimeFilter.ltEq(10L))) | ||
), | ||
new SingleSeriesExpression(new Path("d2.s2"), | ||
FilterFactory.and(TimeFilter.gtEq(11L), TimeFilter.ltEq(15L))) | ||
); | ||
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super.constructNode(expression); | ||
} | ||
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@Override | ||
protected IBatchReader generateNewBatchReader(SingleSeriesExpression expression) { | ||
return new FakedMultiBatchReader(10, 10, expression.getFilter()); | ||
} | ||
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@Test | ||
public void testTimeGenerator() throws IOException { | ||
FakedTimeGenerator fakedTimeGenerator = new FakedTimeGenerator(); | ||
Path path = new Path("d1.s1"); | ||
long count = 0; | ||
while (fakedTimeGenerator.hasNext()) { | ||
long time = fakedTimeGenerator.next(); | ||
fakedTimeGenerator.getValue(path, time); | ||
count++; | ||
} | ||
Assert.assertEquals(10L, count); | ||
} | ||
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} |