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Renamed unique serializers to be easier to locate
Added serializer to create row format necessary for unique ledger
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Todd Nine
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Feb 24, 2015
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61
.../java/org/apache/usergrid/persistence/collection/serialization/impl/UniqueFieldEntry.java
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| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * | ||
| * | ||
| * 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. | ||
| * | ||
| * | ||
| */ | ||
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| package org.apache.usergrid.persistence.collection.serialization.impl; | ||
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| import java.util.UUID; | ||
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| import org.apache.usergrid.persistence.model.entity.Id; | ||
| import org.apache.usergrid.persistence.model.field.Field; | ||
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| /** | ||
| * Class that encapsulates a unique field with the entity and version that own it | ||
| */ | ||
| public class UniqueFieldEntry { | ||
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| private final UUID version; | ||
| private final Field field; | ||
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| /** | ||
| * Create a unique field with the specified version and field | ||
| * @param version | ||
| * @param field | ||
| */ | ||
| public UniqueFieldEntry( final UUID version, final Field field ) { | ||
| this.version = version; | ||
| this.field = field; | ||
| } | ||
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| public UUID getVersion() { | ||
| return version; | ||
| } | ||
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| public Field getField() { | ||
| return field; | ||
| } | ||
| } |
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135
...apache/usergrid/persistence/collection/serialization/impl/UniqueFieldEntrySerializer.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,135 @@ | ||
| /* | ||
| * | ||
| * * | ||
| * * 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.usergrid.persistence.collection.serialization.impl; | ||
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| import java.nio.ByteBuffer; | ||
| import java.util.UUID; | ||
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| import org.apache.usergrid.persistence.core.astyanax.DynamicCompositeParserImpl; | ||
| import org.apache.usergrid.persistence.model.field.BooleanField; | ||
| import org.apache.usergrid.persistence.model.field.DoubleField; | ||
| import org.apache.usergrid.persistence.model.field.Field; | ||
| import org.apache.usergrid.persistence.model.field.FieldTypeName; | ||
| import org.apache.usergrid.persistence.model.field.FloatField; | ||
| import org.apache.usergrid.persistence.model.field.IntegerField; | ||
| import org.apache.usergrid.persistence.model.field.LongField; | ||
| import org.apache.usergrid.persistence.model.field.StringField; | ||
| import org.apache.usergrid.persistence.model.field.UUIDField; | ||
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| import com.netflix.astyanax.model.CompositeBuilder; | ||
| import com.netflix.astyanax.model.CompositeParser; | ||
| import com.netflix.astyanax.model.Composites; | ||
| import com.netflix.astyanax.model.DynamicComposite; | ||
| import com.netflix.astyanax.serializers.AbstractSerializer; | ||
| import com.netflix.astyanax.serializers.DynamicCompositeSerializer; | ||
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| /** | ||
| * Serialize a unique field into a column name | ||
| */ | ||
| public class UniqueFieldEntrySerializer extends AbstractSerializer<UniqueFieldEntry> { | ||
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| private static final UniqueFieldEntrySerializer INSTANCE = new UniqueFieldEntrySerializer(); | ||
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| @Override | ||
| public ByteBuffer toByteBuffer( final UniqueFieldEntry value ) { | ||
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| CompositeBuilder builder = Composites.newDynamicCompositeBuilder(); | ||
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| final UUID version = value.getVersion(); | ||
| final Field<?> field = value.getField(); | ||
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| final FieldTypeName fieldType = field.getTypeName(); | ||
| final String fieldValue = field.getValue().toString().toLowerCase(); | ||
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| builder.addUUID( version ); | ||
| builder.addString( field.getName() ); | ||
| builder.addString( fieldValue ); | ||
| builder.addString( fieldType.name() ); | ||
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| return builder.build(); | ||
| } | ||
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| @Override | ||
| public UniqueFieldEntry fromByteBuffer( final ByteBuffer byteBuffer ) { | ||
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| final CompositeParser composite = new DynamicCompositeParserImpl( byteBuffer ); | ||
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| final UUID version = composite.readUUID(); | ||
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| final String name = composite.readString(); | ||
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| final String value = composite.readString(); | ||
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| final String typeString = composite.readString(); | ||
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| final FieldTypeName fieldType = FieldTypeName.valueOf( typeString ); | ||
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| final Field<?> field; | ||
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| switch ( fieldType ) { | ||
| case BOOLEAN: | ||
| field = new BooleanField( name, Boolean.parseBoolean( value ) ); | ||
| break; | ||
| case DOUBLE: | ||
| field = new DoubleField( name, Double.parseDouble( value ) ); | ||
| break; | ||
| case FLOAT: | ||
| field = new FloatField( name, Float.parseFloat( value )); | ||
| break; | ||
| case INTEGER: | ||
| field = new IntegerField( name, Integer.parseInt( value ) ); | ||
| break; | ||
| case LONG: | ||
| field = new LongField( name, Long.parseLong( value ) ); | ||
| break; | ||
| case STRING: | ||
| field = new StringField( name, value ); | ||
| break; | ||
| case UUID: | ||
| field = new UUIDField( name, UUID.fromString( value ) ); | ||
| break; | ||
| default: | ||
| throw new RuntimeException( "Unknown unique field type" ); | ||
| } | ||
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| return new UniqueFieldEntry( version, field ); | ||
| } | ||
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| /** | ||
| * Get the singleton serializer | ||
| */ | ||
| public static UniqueFieldEntrySerializer get() { | ||
| return INSTANCE; | ||
| } | ||
| } |
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