/*
* Licensed to Crate under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial
* agreement.
*/
package io.crate.operation.reference.sys.node.local;
import io.crate.metadata.ReferenceImplementation;
import io.crate.monitor.ExtendedOsStats;
import io.crate.operation.reference.NestedObjectExpression;
class NodeOsCpuExpression extends NestedObjectExpression {
private static final String SYS = "system";
private static final String USER = "user";
private static final String IDLE = "idle";
private static final String USAGE = "used";
private static final String STOLEN = "stolen";
NodeOsCpuExpression(ExtendedOsStats.Cpu cpuInfo) {
addChildImplementations(cpuInfo);
}
private void addChildImplementations(final ExtendedOsStats.Cpu cpu) {
childImplementations.put(SYS, new ReferenceImplementation<Short>() {
@Override
public Short value() {
if (cpu != null) {
return cpu.sys();
} else {
return -1;
}
}
});
childImplementations.put(USER, new ReferenceImplementation<Short>() {
@Override
public Short value() {
if (cpu != null) {
return cpu.user();
} else {
return -1;
}
}
});
childImplementations.put(IDLE, new ReferenceImplementation<Short>() {
@Override
public Short value() {
if (cpu != null) {
return cpu.idle();
} else {
return -1;
}
}
});
childImplementations.put(USAGE, new ReferenceImplementation<Short>() {
@Override
public Short value() {
if (cpu != null && cpu.sys() != -1) {
return (short) (cpu.sys() + cpu.user());
} else {
return -1;
}
}
});
childImplementations.put(STOLEN, new ReferenceImplementation<Short>() {
@Override
public Short value() {
if (cpu != null) {
return cpu.stolen();
} else {
return -1;
}
}
});
}
}