/*
* 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.samza.system.mock;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.samza.Partition;
import org.apache.samza.system.SystemAdmin;
import org.apache.samza.system.SystemStreamMetadata;
import org.apache.samza.system.SystemStreamPartition;
import org.apache.samza.system.SystemStreamMetadata.SystemStreamPartitionMetadata;
/**
* A SystemAdmin that returns a constant set of partitions for all streams.
*/
public class MockSystemAdmin implements SystemAdmin {
private final Map<Partition, SystemStreamPartitionMetadata> systemStreamPartitionMetadata;
public MockSystemAdmin(int partitionCount) {
this.systemStreamPartitionMetadata = new HashMap<Partition, SystemStreamPartitionMetadata>();
for (int i = 0; i < partitionCount; ++i) {
systemStreamPartitionMetadata.put(new Partition(i), new SystemStreamPartitionMetadata(null, null, null));
}
}
@Override
public Map<String, SystemStreamMetadata> getSystemStreamMetadata(Set<String> streamNames) {
Map<String, SystemStreamMetadata> metadata = new HashMap<String, SystemStreamMetadata>();
for (String streamName : streamNames) {
metadata.put(streamName, new SystemStreamMetadata(streamName, systemStreamPartitionMetadata));
}
return metadata;
}
@Override
public Map<SystemStreamPartition, String> getOffsetsAfter(Map<SystemStreamPartition, String> offsets) {
Map<SystemStreamPartition, String> offsetsAfter = new HashMap<SystemStreamPartition, String>();
for (SystemStreamPartition systemStreamPartition : offsets.keySet()) {
offsetsAfter.put(systemStreamPartition, null);
}
return offsetsAfter;
}
}