git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@453124 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2006-10-05 07:20:31 +00:00
parent 17946e5325
commit 6e80442519
7 changed files with 355 additions and 0 deletions

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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.activemq.kaha;
/**
* Types of Indexes used by the Store
*
* @version $Revision: 1.2 $
*/
public interface IndexTypes{
/**
* use in memory indexes
*/
public final static String IN_MEMORY_INDEX= "InMemoryIndex";
/**
* use disk-based indexes
*/
public final static String DISK_INDEX = "DiskIndex";
}

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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.activemq.kaha;
/**
* Entry for Store data
*
* @version $Revision: 1.2 $
*/
public interface StoreEntry{
public abstract StoreLocation getKeyDataItem();
public abstract StoreLocation getValueDataItem();
/**
* @return next item
*/
public abstract long getNextItem();
/**
* @return Returns the keyFile.
*/
public abstract int getKeyFile();
/**
* @return Returns the valueFile.
*/
public abstract int getValueFile();
/**
* @return Returns the valueOffset.
*/
public abstract long getValueOffset();
/**
* @return Returns the offset.
*/
public abstract long getOffset();
public abstract int getKeySize();
public abstract int getValueSize();
}

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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.activemq.kaha;
/**
* Location of a data in the Store
*
* @version $Revision: 1.2 $
*/
public interface StoreLocation{
/**
* @return Returns the size.
*/
public int getSize();
/**
* @return Returns the offset.
*/
public long getOffset();
/**
* @return Returns the file.
*/
public int getFile();
}

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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.activemq.kaha.impl;
import java.io.IOException;
/**
* Exception thrown if the store is in use by another application
*
* @version $Revision: 1.1.1.1 $
*/
public class StoreLockedExcpetion extends IOException{
private static final long serialVersionUID=3857646689671366926L;
/**
* Default Constructor
*/
public StoreLockedExcpetion(){
}
/**
* @param s
*/
public StoreLockedExcpetion(String s){
super(s);
}
}

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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.activemq.store.kahadaptor;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.activemq.kaha.Marshaller;
import org.apache.activemq.kaha.impl.index.IndexItem;
/**
* Marshall a TopicSubAck
* @version $Revision: 1.10 $
*/
public class StoreEntryMarshaller implements Marshaller{
public void writePayload(Object object,DataOutput dataOut) throws IOException{
IndexItem item = (IndexItem)object;
dataOut.writeLong(item.getOffset());
item.write(dataOut);
}
public Object readPayload(DataInput dataIn) throws IOException{
IndexItem item = new IndexItem();
item.setOffset(dataIn.readLong());
item.read(dataIn);
return item;
}
}

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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.activemq.store.kahadaptor;
import org.apache.activemq.kaha.StoreEntry;
/**
* Holds information for location of message
*
* @version $Revision: 1.10 $
*/
public class TopicSubAck{
private int count =0;
private StoreEntry storeEntry;
/**
* @return the count
*/
public int getCount(){
return this.count;
}
/**
* @param count the count to set
*/
public void setCount(int count){
this.count=count;
}
/**
* @return the value of the count after it's decremented
*/
public int decrementCount() {
return --count;
}
/**
* @return the value of the count after it's incremented
*/
public int incrementCount() {
return ++count;
}
/**
* @return the storeEntry
*/
public StoreEntry getStoreEntry(){
return this.storeEntry;
}
/**
* @param storeEntry the storeEntry to set
*/
public void setStoreEntry(StoreEntry storeEntry){
this.storeEntry=storeEntry;
}
}

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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.activemq.store.kahadaptor;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.activemq.kaha.Marshaller;
import org.apache.activemq.kaha.impl.index.IndexItem;
/**
* Marshall a TopicSubAck
* @version $Revision: 1.10 $
*/
public class TopicSubAckMarshaller implements Marshaller{
public void writePayload(Object object,DataOutput dataOut) throws IOException{
TopicSubAck tsa = (TopicSubAck) object;
dataOut.writeInt(tsa.getCount());
IndexItem item = (IndexItem)tsa.getStoreEntry();
dataOut.writeLong(item.getOffset());
item.write(dataOut);
}
public Object readPayload(DataInput dataIn) throws IOException{
TopicSubAck tsa = new TopicSubAck();
int count = dataIn.readInt();
tsa.setCount(count);
IndexItem item = new IndexItem();
item.setOffset(dataIn.readLong());
item.read(dataIn);
tsa.setStoreEntry(item);
return tsa;
}
}