| /* |
| * 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.ignite.internal.processors.query.h2.opt; |
| |
| import java.sql.PreparedStatement; |
| import java.sql.SQLException; |
| import java.sql.Types; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.processors.cache.CacheObject; |
| import org.apache.ignite.internal.processors.cache.CacheObjectContext; |
| import org.apache.ignite.internal.processors.cache.GridCacheContext; |
| import org.h2.message.DbException; |
| import org.h2.util.JdbcUtils; |
| import org.h2.util.Utils; |
| import org.h2.value.CompareMode; |
| import org.h2.value.Value; |
| import org.h2.value.ValueJavaObject; |
| |
| /** |
| * H2 Value over {@link CacheObject}. Replacement for {@link ValueJavaObject}. |
| */ |
| public class GridH2ValueCacheObject extends Value { |
| /** */ |
| private CacheObject obj; |
| |
| /** */ |
| private GridCacheContext<?,?> cctx; |
| |
| /** |
| * @param cctx Cache context. |
| * @param obj Object. |
| */ |
| public GridH2ValueCacheObject(GridCacheContext<?,?> cctx, CacheObject obj) { |
| assert obj != null; |
| |
| this.obj = obj; |
| this.cctx = cctx; // Allowed to be null in tests. |
| } |
| |
| /** |
| * @return Cache object. |
| */ |
| public CacheObject getCacheObject() { |
| return obj; |
| } |
| |
| /** |
| * @return Cache context. |
| */ |
| public GridCacheContext<?,?> getCacheContext() { |
| return cctx; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getSQL() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getType() { |
| return Value.JAVA_OBJECT; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long getPrecision() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getDisplaySize() { |
| return 64; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String getString() { |
| return getObject().toString(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte[] getBytes() { |
| return Utils.cloneByteArray(getBytesNoCopy()); |
| } |
| |
| /** |
| * @return Cache object context. |
| */ |
| private CacheObjectContext objectContext() { |
| return cctx == null ? null : cctx.cacheObjectContext(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte[] getBytesNoCopy() { |
| if (obj.type() == CacheObject.TYPE_REGULAR) { |
| // Result must be the same as `marshaller.marshall(obj.value(coctx, false));` |
| try { |
| return obj.valueBytes(objectContext()); |
| } |
| catch (IgniteCheckedException e) { |
| throw DbException.convert(e); |
| } |
| } |
| |
| // For portables and byte array cache object types. |
| return JdbcUtils.serialize(obj.value(objectContext(), false), null); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object getObject() { |
| return obj.value(objectContext(), false); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void set(PreparedStatement prep, int parameterIndex) throws SQLException { |
| prep.setObject(parameterIndex, getObject(), Types.JAVA_OBJECT); |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override protected int compareSecure(Value v, CompareMode mode) { |
| Object o1 = getObject(); |
| Object o2 = v.getObject(); |
| |
| boolean o1Comparable = o1 instanceof Comparable; |
| boolean o2Comparable = o2 instanceof Comparable; |
| |
| if (o1Comparable && o2Comparable && |
| Utils.haveCommonComparableSuperclass(o1.getClass(), o2.getClass())) { |
| Comparable<Object> c1 = (Comparable<Object>)o1; |
| |
| return c1.compareTo(o2); |
| } |
| |
| // Group by types. |
| if (o1.getClass() != o2.getClass()) { |
| if (o1Comparable != o2Comparable) |
| return o1Comparable ? -1 : 1; |
| |
| return o1.getClass().getName().compareTo(o2.getClass().getName()); |
| } |
| |
| // Compare hash codes. |
| int h1 = hashCode(); |
| int h2 = v.hashCode(); |
| |
| if (h1 == h2) { |
| if (o1.equals(o2)) |
| return 0; |
| |
| return Utils.compareNotNullSigned(getBytesNoCopy(), v.getBytesNoCopy()); |
| } |
| |
| return h1 > h2 ? 1 : -1; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| return getObject().hashCode(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object other) { |
| if (!(other instanceof Value)) |
| return false; |
| |
| Value otherVal = (Value)other; |
| |
| return otherVal.getType() == Value.JAVA_OBJECT |
| && getObject().equals(otherVal.getObject()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Value convertPrecision(long precision, boolean force) { |
| return this; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int getMemory() { |
| return 0; |
| } |
| } |