com.datastax.oss.driver.internal.core.type.DefaultTupleType Maven / Gradle / Ivy
The newest version!
/*
* 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 com.datastax.oss.driver.internal.core.type;
import com.datastax.oss.driver.api.core.data.TupleValue;
import com.datastax.oss.driver.api.core.detach.AttachmentPoint;
import com.datastax.oss.driver.api.core.type.DataType;
import com.datastax.oss.driver.api.core.type.TupleType;
import com.datastax.oss.driver.internal.core.data.DefaultTupleValue;
import com.datastax.oss.driver.shaded.guava.common.base.Joiner;
import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.List;
import net.jcip.annotations.Immutable;
@Immutable
public class DefaultTupleType implements TupleType, Serializable {
private static final long serialVersionUID = 1;
/** @serial */
private final ImmutableList componentTypes;
private transient volatile AttachmentPoint attachmentPoint;
public DefaultTupleType(
@NonNull List componentTypes, @NonNull AttachmentPoint attachmentPoint) {
Preconditions.checkNotNull(componentTypes);
this.componentTypes = ImmutableList.copyOf(componentTypes);
this.attachmentPoint = attachmentPoint;
}
public DefaultTupleType(@NonNull List componentTypes) {
this(componentTypes, AttachmentPoint.NONE);
}
@NonNull
@Override
public List getComponentTypes() {
return componentTypes;
}
@NonNull
@Override
public TupleValue newValue() {
return new DefaultTupleValue(this);
}
@NonNull
@Override
public TupleValue newValue(@NonNull Object... values) {
return new DefaultTupleValue(this, values);
}
@Override
public boolean isDetached() {
return attachmentPoint == AttachmentPoint.NONE;
}
@Override
public void attach(@NonNull AttachmentPoint attachmentPoint) {
this.attachmentPoint = attachmentPoint;
for (DataType componentType : componentTypes) {
componentType.attach(attachmentPoint);
}
}
@NonNull
@Override
public AttachmentPoint getAttachmentPoint() {
return attachmentPoint;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof TupleType) {
TupleType that = (TupleType) other;
return this.componentTypes.equals(that.getComponentTypes());
} else {
return false;
}
}
@Override
public int hashCode() {
return componentTypes.hashCode();
}
@Override
public String toString() {
return "Tuple(" + WITH_COMMA.join(componentTypes) + ")";
}
private static final Joiner WITH_COMMA = Joiner.on(", ");
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
in.defaultReadObject();
Preconditions.checkNotNull(componentTypes);
this.attachmentPoint = AttachmentPoint.NONE;
}
}