com.datastax.oss.driver.internal.core.config.map.MapBasedDriverExecutionProfile 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.config.map;
import com.datastax.oss.driver.api.core.config.DriverExecutionProfile;
import com.datastax.oss.driver.api.core.config.DriverOption;
import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableSortedSet;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.time.Duration;
import java.util.AbstractMap;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
/** @see MapBasedDriverConfigLoader */
public class MapBasedDriverExecutionProfile implements DriverExecutionProfile {
private final String profileName;
// The backing map for the current profile
private final Map profile;
// The backing map for the default profile (if the current one is not the default)
private final Map defaultProfile;
public MapBasedDriverExecutionProfile(
Map> optionsMap, String profileName) {
this(
profileName,
optionsMap.get(profileName),
profileName.equals(DriverExecutionProfile.DEFAULT_NAME)
? Collections.emptyMap()
: optionsMap.get(DriverExecutionProfile.DEFAULT_NAME));
Preconditions.checkArgument(
optionsMap.containsKey(profileName),
"Unknown profile '%s'. Check your configuration.",
profileName);
}
public MapBasedDriverExecutionProfile(
String profileName,
Map profile,
Map defaultProfile) {
this.profileName = profileName;
this.profile = profile;
this.defaultProfile = defaultProfile;
}
@NonNull
@Override
public String getName() {
return profileName;
}
@Override
public boolean isDefined(@NonNull DriverOption option) {
return profile.containsKey(option) || defaultProfile.containsKey(option);
}
// Driver options don't encode the type, everything relies on the user putting the right types in
// the backing map, so no point in trying to type-check.
@SuppressWarnings({"unchecked", "TypeParameterUnusedInFormals"})
@NonNull
private T get(@NonNull DriverOption option) {
Object value = profile.getOrDefault(option, defaultProfile.get(option));
if (value == null) {
throw new IllegalArgumentException("Missing configuration option " + option.getPath());
}
return (T) value;
}
@Override
public boolean getBoolean(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public List getBooleanList(@NonNull DriverOption option) {
return get(option);
}
@Override
public int getInt(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public List getIntList(@NonNull DriverOption option) {
return get(option);
}
@Override
public long getLong(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public List getLongList(@NonNull DriverOption option) {
return get(option);
}
@Override
public double getDouble(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public List getDoubleList(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public String getString(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public List getStringList(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public Map getStringMap(@NonNull DriverOption option) {
return get(option);
}
@Override
public long getBytes(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public List getBytesList(DriverOption option) {
return get(option);
}
@NonNull
@Override
public Duration getDuration(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public List getDurationList(@NonNull DriverOption option) {
return get(option);
}
@NonNull
@Override
public SortedSet> entrySet() {
ImmutableSortedSet.Builder> builder =
ImmutableSortedSet.orderedBy(Map.Entry.comparingByKey());
for (Map backingMap :
// builder.add() ignores duplicates, so process higher precedence backing maps first
ImmutableList.of(profile, defaultProfile)) {
for (Map.Entry entry : backingMap.entrySet()) {
builder.add(new AbstractMap.SimpleEntry<>(entry.getKey().getPath(), entry.getValue()));
}
}
return builder.build();
}
}