Examples of com.sleepycat.bdb.DataView

com.sleepycat.bdb.DataView
(internal) Represents a Berkeley DB database and adds support for indices, bindings and key ranges.
NOTE: This classes is internal and may be changed incompatibly or deleted in the future. It is public only so it may be used by subpackages.

This class defines a view and takes care of reading and updating indices, calling bindings, constraining access to a key range, etc.
@author Mark Hayes

    public Collection values() {


        if (valueSet == null) {
            synchronized (this) {
                if (valueSet == null) {
                    DataView newView = view.valueSetView();
                    if (isOrdered() && newView.canDeriveKeyFromValue()) {
                        valueSet = new StoredSortedValueSet(newView);
                    } else {
                        valueSet = new StoredValueSet(newView);
                    }
                }

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     * @throws RuntimeExceptionWrapper if a {@link DbException} is thrown.
     */
    public Collection duplicates(Object key) {


        try {
            DataView newView = view.valueSetView(key);
            return new StoredValueSet(newView, true);
        } catch (KeyRangeException e) {
            return Collections.EMPTY_SET;
        } catch (Exception e) {
            throw StoredContainer.convertException(e);

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     */
    public StoredValueSet(DataStore store,
                          DataBinding valueBinding,
                          boolean writeAllowed) {


        super(new DataView(store, null, null, valueBinding,
                          null, writeAllowed));
    }

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     */
    public StoredValueSet(DataStore store,
                          EntityBinding valueEntityBinding,
                          boolean writeAllowed) {


        super(new DataView(store, null, null, null,
                           valueEntityBinding, writeAllowed));
    }

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     */
    public StoredValueSet(DataIndex index,
                          DataBinding valueBinding,
                          boolean writeAllowed) {


        super(new DataView(null, index, null, valueBinding,
                           null, writeAllowed));
    }

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     */
    public StoredValueSet(DataIndex index,
                          EntityBinding valueEntityBinding,
                          boolean writeAllowed) {


        super(new DataView(null, index, null, null,
                           valueEntityBinding, writeAllowed));
    }

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     * @throws RuntimeExceptionWrapper if a {@link DbException} is thrown.
     */
    public StoredSortedKeySet(DataStore store, DataBinding keyBinding,
                              boolean writeAllowed) {


        super(new DataView(store, null, keyBinding, null,
                              null, writeAllowed));
    }

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     * @throws RuntimeExceptionWrapper if a {@link DbException} is thrown.
     */
    public StoredSortedKeySet(DataIndex index, DataBinding keyBinding,
                              boolean writeAllowed) {


        super(new DataView(null, index, keyBinding, null,
                              null, writeAllowed));
    }

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     * @throws RuntimeExceptionWrapper if a {@link DbException} is thrown.
     */
    public StoredList(DataStore store, DataBinding valueBinding,
                      boolean writeAllowed) {


        super(new DataView(store, null, DEFAULT_KEY_BINDING, valueBinding,
                           null, writeAllowed));
    }

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     * @throws RuntimeExceptionWrapper if a {@link DbException} is thrown.
     */
    public StoredList(DataStore store, EntityBinding valueEntityBinding,
                      boolean writeAllowed) {


        super(new DataView(store, null, DEFAULT_KEY_BINDING, null,
                           valueEntityBinding, writeAllowed));
    }

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Related Classes of com.sleepycat.bdb.DataView

com.sleepycat.bdb.bind.DataFormat

com.sleepycat.bdb.bind.KeyExtractor

com.sleepycat.bdb.collection.StoredKeySet

com.sleepycat.bdb.collection.StoredList

com.sleepycat.bdb.collection.StoredMap

com.sleepycat.bdb.collection.StoredSortedKeySet

com.sleepycat.bdb.collection.StoredSortedMap

com.sleepycat.bdb.collection.StoredSortedValueSet

com.sleepycat.bdb.collection.StoredValueSet

com.sleepycat.bdb.test.KeyRangeTest

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