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Diffstat (limited to 'examples_java/src/collections/ship/marshal/Part.java')
-rw-r--r-- | examples_java/src/collections/ship/marshal/Part.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/examples_java/src/collections/ship/marshal/Part.java b/examples_java/src/collections/ship/marshal/Part.java new file mode 100644 index 0000000..ba0a758 --- /dev/null +++ b/examples_java/src/collections/ship/marshal/Part.java @@ -0,0 +1,116 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 2002-2009 Oracle. All rights reserved. + * + * $Id$ + */ + +package collections.ship.marshal; + +import java.io.Serializable; + +import com.sleepycat.bind.tuple.TupleInput; +import com.sleepycat.bind.tuple.TupleOutput; + +/** + * A Part represents the combined key/data pair for a part entity. + * + * <p> In this sample, Part is bound to the stored key/data entry by + * implementing the MarshalledEnt interface, which is called by {@link + * SampleViews.MarshalledEntityBinding}. </p> + * + * <p> The binding is "tricky" in that it uses this class for both the stored + * data entry and the combined entity object. To do this, the key field(s) are + * transient and are set by the binding after the data object has been + * deserialized. This avoids the use of a PartData class completely. </p> + * + * <p> Since this class is used directly for data storage, it must be + * Serializable. </p> + * + * @author Mark Hayes + */ +public class Part implements Serializable, MarshalledEnt { + + private transient String number; + private String name; + private String color; + private Weight weight; + private String city; + + public Part(String number, String name, String color, Weight weight, + String city) { + + this.number = number; + this.name = name; + this.color = color; + this.weight = weight; + this.city = city; + } + + /** + * Set the transient key fields after deserializing. This method is only + * called by data bindings. + */ + final void setKey(String number) { + + this.number = number; + } + + public final String getNumber() { + + return number; + } + + public final String getName() { + + return name; + } + + public final String getColor() { + + return color; + } + + public final Weight getWeight() { + + return weight; + } + + public final String getCity() { + + return city; + } + + public String toString() { + + return "[Part: number=" + number + + " name=" + name + + " color=" + color + + " weight=" + weight + + " city=" + city + ']'; + } + + // --- MarshalledEnt implementation --- + + Part() { + + // A no-argument constructor is necessary only to allow the binding to + // instantiate objects of this class. + } + + public void unmarshalPrimaryKey(TupleInput keyInput) { + + this.number = keyInput.readString(); + } + + public void marshalPrimaryKey(TupleOutput keyOutput) { + + keyOutput.writeString(this.number); + } + + public boolean marshalSecondaryKey(String keyName, TupleOutput keyOutput) { + + throw new UnsupportedOperationException(keyName); + } +} |