com.datastax.oss.driver.internal.core.type.DefaultMapType Maven / Gradle / Ivy
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/*
* 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.detach.AttachmentPoint;
import com.datastax.oss.driver.api.core.type.DataType;
import com.datastax.oss.driver.api.core.type.MapType;
import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.Objects;
import net.jcip.annotations.Immutable;
@Immutable
public class DefaultMapType implements MapType, Serializable {
private static final long serialVersionUID = 1;
/** @serial */
private final DataType keyType;
/** @serial */
private final DataType valueType;
/** @serial */
private final boolean frozen;
public DefaultMapType(@NonNull DataType keyType, @NonNull DataType valueType, boolean frozen) {
Preconditions.checkNotNull(keyType);
Preconditions.checkNotNull(valueType);
this.keyType = keyType;
this.valueType = valueType;
this.frozen = frozen;
}
@NonNull
@Override
public DataType getKeyType() {
return keyType;
}
@NonNull
@Override
public DataType getValueType() {
return valueType;
}
@Override
public boolean isFrozen() {
return frozen;
}
@Override
public boolean isDetached() {
return keyType.isDetached() || valueType.isDetached();
}
@Override
public void attach(@NonNull AttachmentPoint attachmentPoint) {
keyType.attach(attachmentPoint);
valueType.attach(attachmentPoint);
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof MapType) {
MapType that = (MapType) other;
// frozen is not taken into account
return this.keyType.equals(that.getKeyType()) && this.valueType.equals(that.getValueType());
} else {
return false;
}
}
@Override
public int hashCode() {
return Objects.hash(DefaultMapType.class, keyType, valueType);
}
@Override
public String toString() {
return "Map(" + keyType + " => " + valueType + ", " + (frozen ? "" : "not ") + "frozen)";
}
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
in.defaultReadObject();
Preconditions.checkNotNull(keyType);
Preconditions.checkNotNull(valueType);
}
}